Analysis

  • max time kernel
    146s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-05-2024 21:18

General

  • Target

    7a8f31b29b3ec7a1b564d1d369f8b4b4_JaffaCakes118.exe

  • Size

    2.2MB

  • MD5

    7a8f31b29b3ec7a1b564d1d369f8b4b4

  • SHA1

    be7d7448ff6f93448240f2e47a2056026f333335

  • SHA256

    52066c9aee6d12c924a0ce0e83d51175e9a32f09bb44483ccd527b51a3b9c6c7

  • SHA512

    348bce68439f6aa573784c468efdcd10c44b201121c1227be31475da82f65430d099aca6adfcbb23f59bc8a32ba3ade63a0fdd2f8d8d3616954c7d4ebdc9c03f

  • SSDEEP

    24576:0UzNkyrbtjbGixCOPKH2I1iIWILtfOIJ+HKodCHPC0cF3u7P1+eWQ8f/x52vHNZE:0UzeyQMS4DqodCnoe+iitjWwwA

Malware Config

Extracted

Family

pony

C2

http://don.service-master.eu/gate.php

Attributes
  • payload_url

    http://don.service-master.eu/shit.exe

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Pony,Fareit

    Pony is a Remote Access Trojan application that steals information.

  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 64 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 54 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7a8f31b29b3ec7a1b564d1d369f8b4b4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7a8f31b29b3ec7a1b564d1d369f8b4b4_JaffaCakes118.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1188
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2200
      • C:\Users\Admin\AppData\Local\Temp\7a8f31b29b3ec7a1b564d1d369f8b4b4_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\7a8f31b29b3ec7a1b564d1d369f8b4b4_JaffaCakes118.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4572
        • \??\c:\windows\system\explorer.exe
          c:\windows\system\explorer.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Drops file in Windows directory
          • Suspicious use of WriteProcessMemory
          PID:2864
          • \??\c:\windows\system\explorer.exe
            "c:\windows\system\explorer.exe"
            4⤵
            • Modifies WinLogon for persistence
            • Modifies visiblity of hidden/system files in Explorer
            • Modifies Installed Components in the registry
            • Executes dropped EXE
            • Adds Run key to start application
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2256
            • \??\c:\windows\system\spoolsv.exe
              c:\windows\system\spoolsv.exe SE
              5⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              PID:3648
              • \??\c:\windows\system\spoolsv.exe
                "c:\windows\system\spoolsv.exe"
                6⤵
                • Executes dropped EXE
                • Suspicious use of SetWindowsHookEx
                PID:452
                • \??\c:\windows\system\explorer.exe
                  c:\windows\system\explorer.exe
                  7⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  • Drops file in Windows directory
                  PID:2212
                  • \??\c:\windows\system\explorer.exe
                    "c:\windows\system\explorer.exe"
                    8⤵
                      PID:1048
              • \??\c:\windows\system\spoolsv.exe
                c:\windows\system\spoolsv.exe SE
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Drops file in Windows directory
                PID:4612
                • \??\c:\windows\system\spoolsv.exe
                  "c:\windows\system\spoolsv.exe"
                  6⤵
                  • Executes dropped EXE
                  • Suspicious use of SetWindowsHookEx
                  PID:3600
              • \??\c:\windows\system\spoolsv.exe
                c:\windows\system\spoolsv.exe SE
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Drops file in Windows directory
                PID:1860
                • \??\c:\windows\system\spoolsv.exe
                  "c:\windows\system\spoolsv.exe"
                  6⤵
                  • Executes dropped EXE
                  • Suspicious use of SetWindowsHookEx
                  PID:4748
              • \??\c:\windows\system\spoolsv.exe
                c:\windows\system\spoolsv.exe SE
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Drops file in Windows directory
                PID:5112
                • \??\c:\windows\system\spoolsv.exe
                  "c:\windows\system\spoolsv.exe"
                  6⤵
                  • Executes dropped EXE
                  • Suspicious use of SetWindowsHookEx
                  PID:372
              • \??\c:\windows\system\spoolsv.exe
                c:\windows\system\spoolsv.exe SE
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Drops file in Windows directory
                PID:4736
                • \??\c:\windows\system\spoolsv.exe
                  "c:\windows\system\spoolsv.exe"
                  6⤵
                  • Executes dropped EXE
                  • Suspicious use of SetWindowsHookEx
                  PID:4084
              • \??\c:\windows\system\spoolsv.exe
                c:\windows\system\spoolsv.exe SE
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Drops file in Windows directory
                PID:4812
                • \??\c:\windows\system\spoolsv.exe
                  "c:\windows\system\spoolsv.exe"
                  6⤵
                  • Executes dropped EXE
                  • Suspicious use of SetWindowsHookEx
                  PID:4992
              • \??\c:\windows\system\spoolsv.exe
                c:\windows\system\spoolsv.exe SE
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Drops file in Windows directory
                PID:3364
                • \??\c:\windows\system\spoolsv.exe
                  "c:\windows\system\spoolsv.exe"
                  6⤵
                  • Executes dropped EXE
                  • Suspicious use of SetWindowsHookEx
                  PID:3684
              • \??\c:\windows\system\spoolsv.exe
                c:\windows\system\spoolsv.exe SE
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Drops file in Windows directory
                PID:4564
                • \??\c:\windows\system\spoolsv.exe
                  "c:\windows\system\spoolsv.exe"
                  6⤵
                  • Executes dropped EXE
                  • Suspicious use of SetWindowsHookEx
                  PID:3864
                  • \??\c:\windows\system\explorer.exe
                    c:\windows\system\explorer.exe
                    7⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    • Drops file in Windows directory
                    PID:4368
                    • \??\c:\windows\system\explorer.exe
                      "c:\windows\system\explorer.exe"
                      8⤵
                        PID:1852
                • \??\c:\windows\system\spoolsv.exe
                  c:\windows\system\spoolsv.exe SE
                  5⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  PID:3656
                  • \??\c:\windows\system\spoolsv.exe
                    "c:\windows\system\spoolsv.exe"
                    6⤵
                    • Executes dropped EXE
                    • Suspicious use of SetWindowsHookEx
                    PID:3508
                • \??\c:\windows\system\spoolsv.exe
                  c:\windows\system\spoolsv.exe SE
                  5⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  • Drops file in Windows directory
                  PID:1892
                  • \??\c:\windows\system\spoolsv.exe
                    "c:\windows\system\spoolsv.exe"
                    6⤵
                    • Executes dropped EXE
                    • Suspicious use of SetWindowsHookEx
                    PID:1348
                • \??\c:\windows\system\spoolsv.exe
                  c:\windows\system\spoolsv.exe SE
                  5⤵
                  • Executes dropped EXE
                  PID:4152
                  • \??\c:\windows\system\spoolsv.exe
                    "c:\windows\system\spoolsv.exe"
                    6⤵
                    • Executes dropped EXE
                    • Suspicious use of SetWindowsHookEx
                    PID:4968
                • \??\c:\windows\system\spoolsv.exe
                  c:\windows\system\spoolsv.exe SE
                  5⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  • Drops file in Windows directory
                  PID:3676
                  • \??\c:\windows\system\spoolsv.exe
                    "c:\windows\system\spoolsv.exe"
                    6⤵
                    • Executes dropped EXE
                    • Suspicious use of SetWindowsHookEx
                    PID:4804
                • \??\c:\windows\system\spoolsv.exe
                  c:\windows\system\spoolsv.exe SE
                  5⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  • Drops file in Windows directory
                  PID:2336
                  • \??\c:\windows\system\spoolsv.exe
                    "c:\windows\system\spoolsv.exe"
                    6⤵
                    • Executes dropped EXE
                    • Suspicious use of SetWindowsHookEx
                    PID:1312
                • \??\c:\windows\system\spoolsv.exe
                  c:\windows\system\spoolsv.exe SE
                  5⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  • Drops file in Windows directory
                  PID:3404
                  • \??\c:\windows\system\spoolsv.exe
                    "c:\windows\system\spoolsv.exe"
                    6⤵
                    • Executes dropped EXE
                    • Suspicious use of SetWindowsHookEx
                    PID:3136
                • \??\c:\windows\system\spoolsv.exe
                  c:\windows\system\spoolsv.exe SE
                  5⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  • Drops file in Windows directory
                  PID:4340
                  • \??\c:\windows\system\spoolsv.exe
                    "c:\windows\system\spoolsv.exe"
                    6⤵
                    • Executes dropped EXE
                    • Suspicious use of SetWindowsHookEx
                    PID:4692
                • \??\c:\windows\system\spoolsv.exe
                  c:\windows\system\spoolsv.exe SE
                  5⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  • Drops file in Windows directory
                  PID:2712
                  • \??\c:\windows\system\spoolsv.exe
                    "c:\windows\system\spoolsv.exe"
                    6⤵
                    • Executes dropped EXE
                    • Suspicious use of SetWindowsHookEx
                    PID:460
                    • \??\c:\windows\system\explorer.exe
                      c:\windows\system\explorer.exe
                      7⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      • Drops file in Windows directory
                      PID:244
                      • \??\c:\windows\system\explorer.exe
                        "c:\windows\system\explorer.exe"
                        8⤵
                          PID:1512
                  • \??\c:\windows\system\spoolsv.exe
                    c:\windows\system\spoolsv.exe SE
                    5⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    • Drops file in Windows directory
                    PID:3160
                    • \??\c:\windows\system\spoolsv.exe
                      "c:\windows\system\spoolsv.exe"
                      6⤵
                      • Executes dropped EXE
                      • Suspicious use of SetWindowsHookEx
                      PID:3624
                  • \??\c:\windows\system\spoolsv.exe
                    c:\windows\system\spoolsv.exe SE
                    5⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    • Drops file in Windows directory
                    PID:4076
                    • \??\c:\windows\system\spoolsv.exe
                      "c:\windows\system\spoolsv.exe"
                      6⤵
                      • Executes dropped EXE
                      • Suspicious use of SetWindowsHookEx
                      PID:3924
                  • \??\c:\windows\system\spoolsv.exe
                    c:\windows\system\spoolsv.exe SE
                    5⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    PID:3736
                    • \??\c:\windows\system\spoolsv.exe
                      "c:\windows\system\spoolsv.exe"
                      6⤵
                      • Executes dropped EXE
                      • Suspicious use of SetWindowsHookEx
                      PID:1944
                  • \??\c:\windows\system\spoolsv.exe
                    c:\windows\system\spoolsv.exe SE
                    5⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    • Drops file in Windows directory
                    PID:3640
                    • \??\c:\windows\system\spoolsv.exe
                      "c:\windows\system\spoolsv.exe"
                      6⤵
                      • Executes dropped EXE
                      • Suspicious use of SetWindowsHookEx
                      PID:3644
                      • \??\c:\windows\system\explorer.exe
                        c:\windows\system\explorer.exe
                        7⤵
                        • Executes dropped EXE
                        • Suspicious use of SetThreadContext
                        • Drops file in Windows directory
                        PID:1224
                        • \??\c:\windows\system\explorer.exe
                          "c:\windows\system\explorer.exe"
                          8⤵
                            PID:2100
                    • \??\c:\windows\system\spoolsv.exe
                      c:\windows\system\spoolsv.exe SE
                      5⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:4532
                      • \??\c:\windows\system\spoolsv.exe
                        "c:\windows\system\spoolsv.exe"
                        6⤵
                        • Executes dropped EXE
                        • Suspicious use of SetWindowsHookEx
                        PID:4944
                    • \??\c:\windows\system\spoolsv.exe
                      c:\windows\system\spoolsv.exe SE
                      5⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:1688
                      • \??\c:\windows\system\spoolsv.exe
                        "c:\windows\system\spoolsv.exe"
                        6⤵
                        • Suspicious use of SetWindowsHookEx
                        PID:4708
                    • \??\c:\windows\system\spoolsv.exe
                      c:\windows\system\spoolsv.exe SE
                      5⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      • Drops file in Windows directory
                      PID:5080
                      • \??\c:\windows\system\spoolsv.exe
                        "c:\windows\system\spoolsv.exe"
                        6⤵
                        • Suspicious use of SetWindowsHookEx
                        PID:3368
                    • \??\c:\windows\system\spoolsv.exe
                      c:\windows\system\spoolsv.exe SE
                      5⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:1016
                      • \??\c:\windows\system\spoolsv.exe
                        "c:\windows\system\spoolsv.exe"
                        6⤵
                        • Suspicious use of SetWindowsHookEx
                        PID:1652
                    • \??\c:\windows\system\spoolsv.exe
                      c:\windows\system\spoolsv.exe SE
                      5⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      • Drops file in Windows directory
                      PID:1380
                      • \??\c:\windows\system\spoolsv.exe
                        "c:\windows\system\spoolsv.exe"
                        6⤵
                        • Suspicious use of SetWindowsHookEx
                        PID:3956
                    • \??\c:\windows\system\spoolsv.exe
                      c:\windows\system\spoolsv.exe SE
                      5⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      • Drops file in Windows directory
                      PID:2884
                      • \??\c:\windows\system\spoolsv.exe
                        "c:\windows\system\spoolsv.exe"
                        6⤵
                        • Suspicious use of SetWindowsHookEx
                        PID:2004
                        • \??\c:\windows\system\explorer.exe
                          c:\windows\system\explorer.exe
                          7⤵
                          • Suspicious use of SetThreadContext
                          • Drops file in Windows directory
                          PID:2144
                          • \??\c:\windows\system\explorer.exe
                            "c:\windows\system\explorer.exe"
                            8⤵
                              PID:3092
                      • \??\c:\windows\system\spoolsv.exe
                        c:\windows\system\spoolsv.exe SE
                        5⤵
                        • Executes dropped EXE
                        • Suspicious use of SetThreadContext
                        PID:2012
                        • \??\c:\windows\system\spoolsv.exe
                          "c:\windows\system\spoolsv.exe"
                          6⤵
                          • Suspicious use of SetWindowsHookEx
                          PID:1928
                      • \??\c:\windows\system\spoolsv.exe
                        c:\windows\system\spoolsv.exe SE
                        5⤵
                        • Executes dropped EXE
                        • Suspicious use of SetThreadContext
                        PID:2544
                        • \??\c:\windows\system\spoolsv.exe
                          "c:\windows\system\spoolsv.exe"
                          6⤵
                          • Suspicious use of SetWindowsHookEx
                          PID:4536
                      • \??\c:\windows\system\spoolsv.exe
                        c:\windows\system\spoolsv.exe SE
                        5⤵
                        • Executes dropped EXE
                        • Suspicious use of SetThreadContext
                        • Drops file in Windows directory
                        PID:4964
                        • \??\c:\windows\system\spoolsv.exe
                          "c:\windows\system\spoolsv.exe"
                          6⤵
                          • Suspicious use of SetWindowsHookEx
                          PID:4476
                      • \??\c:\windows\system\spoolsv.exe
                        c:\windows\system\spoolsv.exe SE
                        5⤵
                        • Executes dropped EXE
                        • Suspicious use of SetThreadContext
                        • Drops file in Windows directory
                        PID:4884
                        • \??\c:\windows\system\spoolsv.exe
                          "c:\windows\system\spoolsv.exe"
                          6⤵
                            PID:4696
                            • \??\c:\windows\system\explorer.exe
                              c:\windows\system\explorer.exe
                              7⤵
                              • Suspicious use of SetThreadContext
                              • Drops file in Windows directory
                              PID:1996
                              • \??\c:\windows\system\explorer.exe
                                "c:\windows\system\explorer.exe"
                                8⤵
                                  PID:4048
                          • \??\c:\windows\system\spoolsv.exe
                            c:\windows\system\spoolsv.exe SE
                            5⤵
                            • Executes dropped EXE
                            • Suspicious use of SetThreadContext
                            PID:2472
                            • \??\c:\windows\system\spoolsv.exe
                              "c:\windows\system\spoolsv.exe"
                              6⤵
                                PID:5044
                            • \??\c:\windows\system\spoolsv.exe
                              c:\windows\system\spoolsv.exe SE
                              5⤵
                              • Executes dropped EXE
                              • Suspicious use of SetThreadContext
                              PID:2860
                              • \??\c:\windows\system\spoolsv.exe
                                "c:\windows\system\spoolsv.exe"
                                6⤵
                                  PID:3036
                                  • \??\c:\windows\system\explorer.exe
                                    c:\windows\system\explorer.exe
                                    7⤵
                                    • Suspicious use of SetThreadContext
                                    • Drops file in Windows directory
                                    PID:4344
                                    • \??\c:\windows\system\explorer.exe
                                      "c:\windows\system\explorer.exe"
                                      8⤵
                                        PID:1496
                                • \??\c:\windows\system\spoolsv.exe
                                  c:\windows\system\spoolsv.exe SE
                                  5⤵
                                  • Executes dropped EXE
                                  • Suspicious use of SetThreadContext
                                  • Drops file in Windows directory
                                  PID:3612
                                  • \??\c:\windows\system\spoolsv.exe
                                    "c:\windows\system\spoolsv.exe"
                                    6⤵
                                      PID:2880
                                      • \??\c:\windows\system\explorer.exe
                                        c:\windows\system\explorer.exe
                                        7⤵
                                        • Suspicious use of SetThreadContext
                                        • Drops file in Windows directory
                                        PID:3000
                                        • \??\c:\windows\system\explorer.exe
                                          "c:\windows\system\explorer.exe"
                                          8⤵
                                            PID:428
                                    • \??\c:\windows\system\spoolsv.exe
                                      c:\windows\system\spoolsv.exe SE
                                      5⤵
                                      • Executes dropped EXE
                                      • Suspicious use of SetThreadContext
                                      • Drops file in Windows directory
                                      PID:3084
                                      • \??\c:\windows\system\spoolsv.exe
                                        "c:\windows\system\spoolsv.exe"
                                        6⤵
                                          PID:5032
                                          • \??\c:\windows\system\explorer.exe
                                            c:\windows\system\explorer.exe
                                            7⤵
                                            • Drops file in Windows directory
                                            PID:4912
                                      • \??\c:\windows\system\spoolsv.exe
                                        c:\windows\system\spoolsv.exe SE
                                        5⤵
                                        • Executes dropped EXE
                                        • Suspicious use of SetThreadContext
                                        • Drops file in Windows directory
                                        PID:4780
                                        • \??\c:\windows\system\spoolsv.exe
                                          "c:\windows\system\spoolsv.exe"
                                          6⤵
                                            PID:2296
                                            • \??\c:\windows\system\explorer.exe
                                              c:\windows\system\explorer.exe
                                              7⤵
                                              • Drops file in Windows directory
                                              PID:4688
                                        • \??\c:\windows\system\spoolsv.exe
                                          c:\windows\system\spoolsv.exe SE
                                          5⤵
                                          • Executes dropped EXE
                                          • Suspicious use of SetThreadContext
                                          PID:3904
                                          • \??\c:\windows\system\spoolsv.exe
                                            "c:\windows\system\spoolsv.exe"
                                            6⤵
                                              PID:4380
                                              • \??\c:\windows\system\explorer.exe
                                                c:\windows\system\explorer.exe
                                                7⤵
                                                • Drops file in Windows directory
                                                PID:4528
                                          • \??\c:\windows\system\spoolsv.exe
                                            c:\windows\system\spoolsv.exe SE
                                            5⤵
                                            • Executes dropped EXE
                                            • Suspicious use of SetThreadContext
                                            • Drops file in Windows directory
                                            PID:2172
                                            • \??\c:\windows\system\spoolsv.exe
                                              "c:\windows\system\spoolsv.exe"
                                              6⤵
                                                PID:2672
                                                • \??\c:\windows\system\explorer.exe
                                                  c:\windows\system\explorer.exe
                                                  7⤵
                                                  • Drops file in Windows directory
                                                  PID:3252
                                            • \??\c:\windows\system\spoolsv.exe
                                              c:\windows\system\spoolsv.exe SE
                                              5⤵
                                              • Suspicious use of SetThreadContext
                                              • Drops file in Windows directory
                                              PID:4432
                                              • \??\c:\windows\system\spoolsv.exe
                                                "c:\windows\system\spoolsv.exe"
                                                6⤵
                                                  PID:1284
                                                  • \??\c:\windows\system\explorer.exe
                                                    c:\windows\system\explorer.exe
                                                    7⤵
                                                    • Drops file in Windows directory
                                                    PID:5108
                                              • \??\c:\windows\system\spoolsv.exe
                                                c:\windows\system\spoolsv.exe SE
                                                5⤵
                                                • Suspicious use of SetThreadContext
                                                • Drops file in Windows directory
                                                PID:3168
                                                • \??\c:\windows\system\spoolsv.exe
                                                  "c:\windows\system\spoolsv.exe"
                                                  6⤵
                                                    PID:4740
                                                • \??\c:\windows\system\spoolsv.exe
                                                  c:\windows\system\spoolsv.exe SE
                                                  5⤵
                                                  • Suspicious use of SetThreadContext
                                                  PID:4600
                                                  • \??\c:\windows\system\spoolsv.exe
                                                    "c:\windows\system\spoolsv.exe"
                                                    6⤵
                                                      PID:1816
                                                      • \??\c:\windows\system\explorer.exe
                                                        c:\windows\system\explorer.exe
                                                        7⤵
                                                        • Drops file in Windows directory
                                                        PID:3932
                                                  • \??\c:\windows\system\spoolsv.exe
                                                    c:\windows\system\spoolsv.exe SE
                                                    5⤵
                                                    • Suspicious use of SetThreadContext
                                                    • Drops file in Windows directory
                                                    PID:3372
                                                    • \??\c:\windows\system\spoolsv.exe
                                                      "c:\windows\system\spoolsv.exe"
                                                      6⤵
                                                        PID:1808
                                                    • \??\c:\windows\system\spoolsv.exe
                                                      c:\windows\system\spoolsv.exe SE
                                                      5⤵
                                                      • Suspicious use of SetThreadContext
                                                      • Drops file in Windows directory
                                                      PID:4724
                                                      • \??\c:\windows\system\spoolsv.exe
                                                        "c:\windows\system\spoolsv.exe"
                                                        6⤵
                                                          PID:2540
                                                      • \??\c:\windows\system\spoolsv.exe
                                                        c:\windows\system\spoolsv.exe SE
                                                        5⤵
                                                        • Suspicious use of SetThreadContext
                                                        • Drops file in Windows directory
                                                        PID:5012
                                                        • \??\c:\windows\system\spoolsv.exe
                                                          "c:\windows\system\spoolsv.exe"
                                                          6⤵
                                                            PID:924
                                                            • \??\c:\windows\system\explorer.exe
                                                              c:\windows\system\explorer.exe
                                                              7⤵
                                                              • Drops file in Windows directory
                                                              PID:724
                                                        • \??\c:\windows\system\spoolsv.exe
                                                          c:\windows\system\spoolsv.exe SE
                                                          5⤵
                                                          • Suspicious use of SetThreadContext
                                                          • Drops file in Windows directory
                                                          PID:4580
                                                          • \??\c:\windows\system\spoolsv.exe
                                                            "c:\windows\system\spoolsv.exe"
                                                            6⤵
                                                              PID:2668
                                                          • \??\c:\windows\system\spoolsv.exe
                                                            c:\windows\system\spoolsv.exe SE
                                                            5⤵
                                                            • Suspicious use of SetThreadContext
                                                            • Drops file in Windows directory
                                                            PID:4680
                                                            • \??\c:\windows\system\spoolsv.exe
                                                              "c:\windows\system\spoolsv.exe"
                                                              6⤵
                                                                PID:2852
                                                                • \??\c:\windows\system\explorer.exe
                                                                  c:\windows\system\explorer.exe
                                                                  7⤵
                                                                    PID:1184
                                                              • \??\c:\windows\system\spoolsv.exe
                                                                c:\windows\system\spoolsv.exe SE
                                                                5⤵
                                                                • Drops file in Windows directory
                                                                PID:3316
                                                                • \??\c:\windows\system\spoolsv.exe
                                                                  "c:\windows\system\spoolsv.exe"
                                                                  6⤵
                                                                    PID:4756
                                                                • \??\c:\windows\system\spoolsv.exe
                                                                  c:\windows\system\spoolsv.exe SE
                                                                  5⤵
                                                                  • Drops file in Windows directory
                                                                  PID:2736
                                                                  • \??\c:\windows\system\spoolsv.exe
                                                                    "c:\windows\system\spoolsv.exe"
                                                                    6⤵
                                                                      PID:4464
                                                                      • \??\c:\windows\system\explorer.exe
                                                                        c:\windows\system\explorer.exe
                                                                        7⤵
                                                                          PID:2340
                                                                    • \??\c:\windows\system\spoolsv.exe
                                                                      c:\windows\system\spoolsv.exe SE
                                                                      5⤵
                                                                      • Drops file in Windows directory
                                                                      PID:4272
                                                                    • \??\c:\windows\system\spoolsv.exe
                                                                      c:\windows\system\spoolsv.exe SE
                                                                      5⤵
                                                                      • Drops file in Windows directory
                                                                      PID:3400
                                                                    • \??\c:\windows\system\spoolsv.exe
                                                                      c:\windows\system\spoolsv.exe SE
                                                                      5⤵
                                                                      • Drops file in Windows directory
                                                                      PID:1972
                                                                    • \??\c:\windows\system\spoolsv.exe
                                                                      c:\windows\system\spoolsv.exe SE
                                                                      5⤵
                                                                        PID:3188
                                                                      • \??\c:\windows\system\spoolsv.exe
                                                                        c:\windows\system\spoolsv.exe SE
                                                                        5⤵
                                                                        • Drops file in Windows directory
                                                                        PID:2260
                                                                      • \??\c:\windows\system\spoolsv.exe
                                                                        c:\windows\system\spoolsv.exe SE
                                                                        5⤵
                                                                          PID:3964
                                                                        • \??\c:\windows\system\spoolsv.exe
                                                                          c:\windows\system\spoolsv.exe SE
                                                                          5⤵
                                                                          • Drops file in Windows directory
                                                                          PID:3628
                                                                        • \??\c:\windows\system\spoolsv.exe
                                                                          c:\windows\system\spoolsv.exe SE
                                                                          5⤵
                                                                          • Drops file in Windows directory
                                                                          PID:1100
                                                                        • \??\c:\windows\system\spoolsv.exe
                                                                          c:\windows\system\spoolsv.exe SE
                                                                          5⤵
                                                                          • Drops file in Windows directory
                                                                          PID:3200
                                                                        • \??\c:\windows\system\spoolsv.exe
                                                                          c:\windows\system\spoolsv.exe SE
                                                                          5⤵
                                                                          • Drops file in Windows directory
                                                                          PID:2136
                                                                        • \??\c:\windows\system\spoolsv.exe
                                                                          c:\windows\system\spoolsv.exe SE
                                                                          5⤵
                                                                          • Drops file in Windows directory
                                                                          PID:1196
                                                                        • \??\c:\windows\system\spoolsv.exe
                                                                          c:\windows\system\spoolsv.exe SE
                                                                          5⤵
                                                                          • Drops file in Windows directory
                                                                          PID:1492
                                                                        • \??\c:\windows\system\spoolsv.exe
                                                                          c:\windows\system\spoolsv.exe SE
                                                                          5⤵
                                                                            PID:4040
                                                                          • \??\c:\windows\system\spoolsv.exe
                                                                            c:\windows\system\spoolsv.exe SE
                                                                            5⤵
                                                                              PID:3324
                                                                            • \??\c:\windows\system\spoolsv.exe
                                                                              c:\windows\system\spoolsv.exe SE
                                                                              5⤵
                                                                                PID:5064
                                                                              • \??\c:\windows\system\spoolsv.exe
                                                                                c:\windows\system\spoolsv.exe SE
                                                                                5⤵
                                                                                  PID:2612
                                                                        • C:\Windows\system32\svchost.exe
                                                                          C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
                                                                          1⤵
                                                                            PID:2976

                                                                          Network

                                                                          MITRE ATT&CK Enterprise v15

                                                                          Replay Monitor

                                                                          Loading Replay Monitor...

                                                                          Downloads

                                                                          • C:\Windows\Parameters.ini

                                                                            Filesize

                                                                            74B

                                                                            MD5

                                                                            6687785d6a31cdf9a5f80acb3abc459b

                                                                            SHA1

                                                                            1ddda26cc18189770eaaa4a9e78cc4abe4fe39c9

                                                                            SHA256

                                                                            3b5ebe1c6d4d33c14e5f2ca735fc085759f47895ea90192999a22a035c7edc9b

                                                                            SHA512

                                                                            5fe9429d64ee6fe0d3698cabb39757729b48d525500afa5f073d69f14f791c8aa2bc7ce0467d48d66fc58d894983391022c59035fa67703fefd309ec4a5d9962

                                                                          • C:\Windows\Parameters.ini

                                                                            MD5

                                                                            d41d8cd98f00b204e9800998ecf8427e

                                                                            SHA1

                                                                            da39a3ee5e6b4b0d3255bfef95601890afd80709

                                                                            SHA256

                                                                            e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                                                            SHA512

                                                                            cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                                                          • C:\Windows\System\explorer.exe

                                                                            Filesize

                                                                            2.2MB

                                                                            MD5

                                                                            a33aaf1c8784d2db959e21d81623fcbd

                                                                            SHA1

                                                                            c336de6e45e41d846cc9ca44680bb4a4225076e4

                                                                            SHA256

                                                                            23345718e596b3badfe1a07b4e6ed70a1d8e156bb2603cba615e7e5bfd6c5558

                                                                            SHA512

                                                                            b378eebfe8de0e51a13dd4c4be7b7376f94b09742a5631e8c5066feecfdc3d30fe7327305df3f4c300cdc27e5e7b1295d6a5716799026b574a35071025dbdf53

                                                                          • C:\Windows\System\spoolsv.exe

                                                                            Filesize

                                                                            2.2MB

                                                                            MD5

                                                                            a082f70df8c86f831792cf1ba61001ce

                                                                            SHA1

                                                                            e1224b1c9cf2c6b193ecbb767895c2c8bd110a0f

                                                                            SHA256

                                                                            853f3dbabb36e79f384c880951cdc03faba1a78136bddf5a0f7d533bb0c2174a

                                                                            SHA512

                                                                            fc861b8dc22e6c1aaf5380212c831480cea04ac7f8d9e2b368a6e15623c5a7b6448f7e3c667f10901c111568646fbe9f06f44371d8de13a1516c50c05b29266c

                                                                          • memory/372-2226-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/428-5262-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/452-2136-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/452-2301-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/460-2581-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/460-2763-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/924-5304-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/1048-3629-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/1188-52-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/1188-0-0x0000000002330000-0x0000000002331000-memory.dmp

                                                                            Filesize

                                                                            4KB

                                                                          • memory/1188-46-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/1188-48-0x0000000002330000-0x0000000002331000-memory.dmp

                                                                            Filesize

                                                                            4KB

                                                                          • memory/1284-4965-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/1312-2443-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/1348-2411-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/1512-4312-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/1652-2882-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/1652-2886-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/1688-2146-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/1816-4991-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/1852-3995-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/1860-1026-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/1860-2213-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/1892-1438-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/1944-2688-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/2004-2949-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/2100-4580-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/2256-968-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/2256-93-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/2296-4248-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/2336-1659-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/2540-5016-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/2668-5222-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/2672-4588-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/2672-4710-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/2712-1860-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/2852-5338-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/2852-5462-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/2864-94-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/2864-89-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/2880-3636-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/2880-3759-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/3036-3403-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/3036-3497-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/3092-4814-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/3136-2453-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/3160-2034-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/3364-1225-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/3368-2874-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/3404-1660-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/3508-2398-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/3600-2151-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/3600-2147-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/3624-2668-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/3640-2134-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/3644-2781-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/3644-2942-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/3648-2137-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/3648-969-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/3656-1437-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/3676-1658-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/3736-2036-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/3864-2540-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/3864-2389-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/3924-2679-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/3956-2893-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/4048-4917-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/4076-2035-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/4084-2236-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/4152-1656-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/4340-1859-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/4380-4333-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/4380-4447-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/4464-5566-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/4464-5674-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/4532-2135-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/4536-3032-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/4564-1226-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/4572-77-0x0000000000440000-0x0000000000509000-memory.dmp

                                                                            Filesize

                                                                            804KB

                                                                          • memory/4572-51-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/4572-49-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/4572-78-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/4612-1025-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/4612-2149-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/4692-2538-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/4692-2490-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/4696-3284-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/4696-3201-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/4708-2864-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/4736-1223-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/4740-4904-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/4748-2211-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/4756-5414-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/4804-2430-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/4812-1224-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/4968-2417-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/5032-3985-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/5044-3210-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                            Filesize

                                                                            248KB

                                                                          • memory/5080-2210-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB

                                                                          • memory/5112-1027-0x0000000000400000-0x00000000005D3000-memory.dmp

                                                                            Filesize

                                                                            1.8MB