Resubmissions

14-04-2021 15:30

210414-3dt1t92snx 1

13-04-2021 08:27

210413-ee1n4x89p6 10

Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    13-04-2021 08:27

General

  • Target

    75ad7745e2b81cb5ffc6d1e267b6c06f56f260452edf09ef4d6fd3ecad584e66.exe

  • Size

    439KB

  • MD5

    d4bbe83cc2d148175032e57a362d2f38

  • SHA1

    b6984512d630c45c759e84074c6a0670bc7824cb

  • SHA256

    75ad7745e2b81cb5ffc6d1e267b6c06f56f260452edf09ef4d6fd3ecad584e66

  • SHA512

    d836629aba2cd58d65dcee5026f04501c207b6dbed00e1afbf687d08271f052381b0a6063e559fa6d1bc7dcbc1e8e6eadc14b7face091a1953f103c9c957b30d

Malware Config

Signatures

  • PlugX

    PlugX is a RAT (Remote Access Trojan) that has been around since 2008.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\75ad7745e2b81cb5ffc6d1e267b6c06f56f260452edf09ef4d6fd3ecad584e66.exe
    "C:\Users\Admin\AppData\Local\Temp\75ad7745e2b81cb5ffc6d1e267b6c06f56f260452edf09ef4d6fd3ecad584e66.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:424
    • C:\Users\Admin\AppData\Local\Temp\Smadav.exe
      "C:\Users\Admin\AppData\Local\Temp\Smadav.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:508
      • C:\ProgramData\Smadav\SmadavIUe\Smadav.exe
        C:\ProgramData\Smadav\SmadavIUe\Smadav.exe 326
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Enumerates connected drives
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3000
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c SCHTASKS.exedel %0 /tn "Autodesk plugin" /f
          4⤵
            PID:3116
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /create /sc minute /mo 10 /tn "Autodesk plugin" /tr """"C:\ProgramData\Smadav\SmadavIUe\Smadav.exe""" 513" /f
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1548
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS.exe /create /sc minute /mo 10 /tn "Autodesk plugin" /tr """"C:\ProgramData\Smadav\SmadavIUe\Smadav.exe""" 513" /f
              5⤵
              • Creates scheduled task(s)
              PID:2068
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /run /tn "Autodesk plugin"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:392
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS.exe /run /tn "Autodesk plugin"
              5⤵
                PID:2336
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "udisk_1" /f
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2220
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS.exe /delete /tn "udisk_1" /f
                5⤵
                  PID:3792
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "udisk_2" /f
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2396
                • C:\Windows\SysWOW64\schtasks.exe
                  SCHTASKS.exe /delete /tn "udisk_2" /f
                  5⤵
                    PID:2128
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "ZBT_0.1" /f
                  4⤵
                  • Suspicious use of WriteProcessMemory
                  PID:936
                  • C:\Windows\SysWOW64\schtasks.exe
                    SCHTASKS.exe /delete /tn "ZBT_0.1" /f
                    5⤵
                      PID:1872
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "LKUFORYOU_1" /f
                    4⤵
                    • Suspicious use of WriteProcessMemory
                    PID:804
                    • C:\Windows\SysWOW64\schtasks.exe
                      SCHTASKS.exe /delete /tn "LKUFORYOU_1" /f
                      5⤵
                        PID:2336
                    • C:\Windows\SysWOW64\cmd.exe
                      "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "AcroRd32" /f
                      4⤵
                      • Suspicious use of WriteProcessMemory
                      PID:1492
                      • C:\Windows\SysWOW64\schtasks.exe
                        SCHTASKS.exe /delete /tn "AcroRd32" /f
                        5⤵
                          PID:3892
                      • C:\Windows\SysWOW64\cmd.exe
                        "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "udisk_1" /f
                        4⤵
                          PID:936
                          • C:\Windows\SysWOW64\schtasks.exe
                            SCHTASKS.exe /delete /tn "udisk_1" /f
                            5⤵
                              PID:2060
                          • C:\Windows\SysWOW64\cmd.exe
                            "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "udisk_2" /f
                            4⤵
                              PID:1332
                              • C:\Windows\SysWOW64\schtasks.exe
                                SCHTASKS.exe /delete /tn "udisk_2" /f
                                5⤵
                                  PID:1484
                              • C:\Windows\SysWOW64\cmd.exe
                                "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "ZBT_0.1" /f
                                4⤵
                                  PID:3276
                                  • C:\Windows\SysWOW64\schtasks.exe
                                    SCHTASKS.exe /delete /tn "ZBT_0.1" /f
                                    5⤵
                                      PID:3452
                                  • C:\Windows\SysWOW64\cmd.exe
                                    "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "LKUFORYOU_1" /f
                                    4⤵
                                      PID:492
                                      • C:\Windows\SysWOW64\schtasks.exe
                                        SCHTASKS.exe /delete /tn "LKUFORYOU_1" /f
                                        5⤵
                                          PID:2296
                                      • C:\Windows\SysWOW64\cmd.exe
                                        "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "AcroRd32" /f
                                        4⤵
                                          PID:3556
                                          • C:\Windows\SysWOW64\schtasks.exe
                                            SCHTASKS.exe /delete /tn "AcroRd32" /f
                                            5⤵
                                              PID:2204
                                          • C:\Windows\SysWOW64\cmd.exe
                                            "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "udisk_1" /f
                                            4⤵
                                              PID:4036
                                              • C:\Windows\SysWOW64\schtasks.exe
                                                SCHTASKS.exe /delete /tn "udisk_1" /f
                                                5⤵
                                                  PID:692
                                              • C:\Windows\SysWOW64\cmd.exe
                                                "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "udisk_2" /f
                                                4⤵
                                                  PID:3952
                                                  • C:\Windows\SysWOW64\schtasks.exe
                                                    SCHTASKS.exe /delete /tn "udisk_2" /f
                                                    5⤵
                                                      PID:1460
                                                  • C:\Windows\SysWOW64\cmd.exe
                                                    "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "ZBT_0.1" /f
                                                    4⤵
                                                      PID:2036
                                                      • C:\Windows\SysWOW64\schtasks.exe
                                                        SCHTASKS.exe /delete /tn "ZBT_0.1" /f
                                                        5⤵
                                                          PID:2060
                                                      • C:\Windows\SysWOW64\cmd.exe
                                                        "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "LKUFORYOU_1" /f
                                                        4⤵
                                                          PID:1608
                                                          • C:\Windows\SysWOW64\schtasks.exe
                                                            SCHTASKS.exe /delete /tn "LKUFORYOU_1" /f
                                                            5⤵
                                                              PID:3276
                                                          • C:\Windows\SysWOW64\cmd.exe
                                                            "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "AcroRd32" /f
                                                            4⤵
                                                              PID:2020
                                                              • C:\Windows\SysWOW64\schtasks.exe
                                                                SCHTASKS.exe /delete /tn "AcroRd32" /f
                                                                5⤵
                                                                  PID:504
                                                              • C:\Windows\SysWOW64\cmd.exe
                                                                "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "udisk_1" /f
                                                                4⤵
                                                                  PID:2252
                                                                  • C:\Windows\SysWOW64\schtasks.exe
                                                                    SCHTASKS.exe /delete /tn "udisk_1" /f
                                                                    5⤵
                                                                      PID:636
                                                                  • C:\Windows\SysWOW64\cmd.exe
                                                                    "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "udisk_2" /f
                                                                    4⤵
                                                                      PID:2204
                                                                      • C:\Windows\SysWOW64\schtasks.exe
                                                                        SCHTASKS.exe /delete /tn "udisk_2" /f
                                                                        5⤵
                                                                          PID:3624
                                                                      • C:\Windows\SysWOW64\cmd.exe
                                                                        "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "ZBT_0.1" /f
                                                                        4⤵
                                                                          PID:1796
                                                                          • C:\Windows\SysWOW64\schtasks.exe
                                                                            SCHTASKS.exe /delete /tn "ZBT_0.1" /f
                                                                            5⤵
                                                                              PID:2136
                                                                          • C:\Windows\SysWOW64\cmd.exe
                                                                            "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "LKUFORYOU_1" /f
                                                                            4⤵
                                                                              PID:1472
                                                                              • C:\Windows\SysWOW64\schtasks.exe
                                                                                SCHTASKS.exe /delete /tn "LKUFORYOU_1" /f
                                                                                5⤵
                                                                                  PID:692
                                                                              • C:\Windows\SysWOW64\cmd.exe
                                                                                "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "AcroRd32" /f
                                                                                4⤵
                                                                                  PID:3720
                                                                                  • C:\Windows\SysWOW64\schtasks.exe
                                                                                    SCHTASKS.exe /delete /tn "AcroRd32" /f
                                                                                    5⤵
                                                                                      PID:2976
                                                                                  • C:\Windows\SysWOW64\cmd.exe
                                                                                    "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "udisk_1" /f
                                                                                    4⤵
                                                                                      PID:1484
                                                                                      • C:\Windows\SysWOW64\schtasks.exe
                                                                                        SCHTASKS.exe /delete /tn "udisk_1" /f
                                                                                        5⤵
                                                                                          PID:3772
                                                                                      • C:\Windows\SysWOW64\cmd.exe
                                                                                        "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "udisk_2" /f
                                                                                        4⤵
                                                                                          PID:1464
                                                                                          • C:\Windows\SysWOW64\schtasks.exe
                                                                                            SCHTASKS.exe /delete /tn "udisk_2" /f
                                                                                            5⤵
                                                                                              PID:772
                                                                                          • C:\Windows\SysWOW64\cmd.exe
                                                                                            "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "ZBT_0.1" /f
                                                                                            4⤵
                                                                                              PID:2600
                                                                                              • C:\Windows\SysWOW64\schtasks.exe
                                                                                                SCHTASKS.exe /delete /tn "ZBT_0.1" /f
                                                                                                5⤵
                                                                                                  PID:1272
                                                                                              • C:\Windows\SysWOW64\cmd.exe
                                                                                                "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "LKUFORYOU_1" /f
                                                                                                4⤵
                                                                                                  PID:424
                                                                                                  • C:\Windows\SysWOW64\schtasks.exe
                                                                                                    SCHTASKS.exe /delete /tn "LKUFORYOU_1" /f
                                                                                                    5⤵
                                                                                                      PID:2144
                                                                                                  • C:\Windows\SysWOW64\cmd.exe
                                                                                                    "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "AcroRd32" /f
                                                                                                    4⤵
                                                                                                      PID:4028
                                                                                                      • C:\Windows\SysWOW64\schtasks.exe
                                                                                                        SCHTASKS.exe /delete /tn "AcroRd32" /f
                                                                                                        5⤵
                                                                                                          PID:1632
                                                                                                      • C:\Windows\SysWOW64\cmd.exe
                                                                                                        "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "udisk_1" /f
                                                                                                        4⤵
                                                                                                          PID:2384
                                                                                                          • C:\Windows\SysWOW64\schtasks.exe
                                                                                                            SCHTASKS.exe /delete /tn "udisk_1" /f
                                                                                                            5⤵
                                                                                                              PID:3620
                                                                                                          • C:\Windows\SysWOW64\cmd.exe
                                                                                                            "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "udisk_2" /f
                                                                                                            4⤵
                                                                                                              PID:3248
                                                                                                              • C:\Windows\SysWOW64\schtasks.exe
                                                                                                                SCHTASKS.exe /delete /tn "udisk_2" /f
                                                                                                                5⤵
                                                                                                                  PID:2976
                                                                                                              • C:\Windows\SysWOW64\cmd.exe
                                                                                                                "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "ZBT_0.1" /f
                                                                                                                4⤵
                                                                                                                  PID:2348
                                                                                                                  • C:\Windows\SysWOW64\schtasks.exe
                                                                                                                    SCHTASKS.exe /delete /tn "ZBT_0.1" /f
                                                                                                                    5⤵
                                                                                                                      PID:4000
                                                                                                                  • C:\Windows\SysWOW64\cmd.exe
                                                                                                                    "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "LKUFORYOU_1" /f
                                                                                                                    4⤵
                                                                                                                      PID:1332
                                                                                                                      • C:\Windows\SysWOW64\schtasks.exe
                                                                                                                        SCHTASKS.exe /delete /tn "LKUFORYOU_1" /f
                                                                                                                        5⤵
                                                                                                                          PID:572
                                                                                                                      • C:\Windows\SysWOW64\cmd.exe
                                                                                                                        "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "AcroRd32" /f
                                                                                                                        4⤵
                                                                                                                          PID:692
                                                                                                                          • C:\Windows\SysWOW64\schtasks.exe
                                                                                                                            SCHTASKS.exe /delete /tn "AcroRd32" /f
                                                                                                                            5⤵
                                                                                                                              PID:2876
                                                                                                                          • C:\Windows\SysWOW64\cmd.exe
                                                                                                                            "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "udisk_1" /f
                                                                                                                            4⤵
                                                                                                                              PID:1228
                                                                                                                              • C:\Windows\SysWOW64\schtasks.exe
                                                                                                                                SCHTASKS.exe /delete /tn "udisk_1" /f
                                                                                                                                5⤵
                                                                                                                                  PID:2036
                                                                                                                              • C:\Windows\SysWOW64\cmd.exe
                                                                                                                                "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "udisk_2" /f
                                                                                                                                4⤵
                                                                                                                                  PID:3968
                                                                                                                                  • C:\Windows\SysWOW64\schtasks.exe
                                                                                                                                    SCHTASKS.exe /delete /tn "udisk_2" /f
                                                                                                                                    5⤵
                                                                                                                                      PID:1092
                                                                                                                                  • C:\Windows\SysWOW64\cmd.exe
                                                                                                                                    "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "ZBT_0.1" /f
                                                                                                                                    4⤵
                                                                                                                                      PID:2504
                                                                                                                                      • C:\Windows\SysWOW64\schtasks.exe
                                                                                                                                        SCHTASKS.exe /delete /tn "ZBT_0.1" /f
                                                                                                                                        5⤵
                                                                                                                                          PID:1180
                                                                                                                                      • C:\Windows\SysWOW64\cmd.exe
                                                                                                                                        "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "LKUFORYOU_1" /f
                                                                                                                                        4⤵
                                                                                                                                          PID:3244
                                                                                                                                          • C:\Windows\SysWOW64\schtasks.exe
                                                                                                                                            SCHTASKS.exe /delete /tn "LKUFORYOU_1" /f
                                                                                                                                            5⤵
                                                                                                                                              PID:640
                                                                                                                                          • C:\Windows\SysWOW64\cmd.exe
                                                                                                                                            "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "AcroRd32" /f
                                                                                                                                            4⤵
                                                                                                                                              PID:1608
                                                                                                                                              • C:\Windows\SysWOW64\schtasks.exe
                                                                                                                                                SCHTASKS.exe /delete /tn "AcroRd32" /f
                                                                                                                                                5⤵
                                                                                                                                                  PID:2248

                                                                                                                                        Network

                                                                                                                                        MITRE ATT&CK Enterprise v6

                                                                                                                                        Replay Monitor

                                                                                                                                        Loading Replay Monitor...

                                                                                                                                        Downloads

                                                                                                                                        • memory/508-120-0x00000000022C0000-0x0000000005F00000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          60.2MB

                                                                                                                                        • memory/3000-127-0x0000000002180000-0x0000000005DC0000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          60.2MB