Analysis

  • max time kernel
    122s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/01/2024, 01:05

General

  • Target
    5e9013e22ff455200a1a014780dbdd5e.exe
  • Size 497KB
  • Sample240116-bfjxcaabap
  • SHA256 cfe125f36d37de26cd3d2003ca27710e67ea988c30bfa3a83b86a56cc1f35e6e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • metasploit

Version
  • encoder/fnstenv_mov

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Modifies security service 2 TTPs 18 IoCs
  • Executes dropped EXE 18 IoCs
  • Drops file in System32 directory 27 IoCs
  • Suspicious use of SetThreadContext 10 IoCs
  • Runs .reg file with regedit 11 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e9013e22ff455200a1a014780dbdd5e.exe
    "C:\Users\Admin\AppData\Local\Temp\5e9013e22ff455200a1a014780dbdd5e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4464
    • C:\Users\Admin\AppData\Local\Temp\5e9013e22ff455200a1a014780dbdd5e.exe
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5064
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c c:\a.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1440
        • C:\Windows\SysWOW64\regedit.exe
          REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
          4⤵
          • Modifies security service
          • Runs .reg file with regedit
          PID:5392
      • C:\Windows\SysWOW64\updates.exe
        C:\Windows\system32\updates.exe 1056 "C:\Users\Admin\AppData\Local\Temp\5e9013e22ff455200a1a014780dbdd5e.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:5236
        • C:\Windows\SysWOW64\updates.exe
          4⤵
          • Executes dropped EXE
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2528
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c c:\a.bat
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:5212
            • C:\Windows\SysWOW64\regedit.exe
              REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
              6⤵
              • Modifies security service
              • Runs .reg file with regedit
              PID:4732
          • C:\Windows\SysWOW64\updates.exe
            C:\Windows\system32\updates.exe 1736 "C:\Windows\SysWOW64\updates.exe"
            5⤵
            • Executes dropped EXE
            • Drops file in System32 directory
            • Suspicious use of SetThreadContext
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2304
            • C:\Windows\SysWOW64\updates.exe
              6⤵
              • Executes dropped EXE
              • Drops file in System32 directory
              • Suspicious use of WriteProcessMemory
              PID:2612
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c c:\a.bat
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:3460
                • C:\Windows\SysWOW64\regedit.exe
                  REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
                  8⤵
                  • Modifies security service
                  • Runs .reg file with regedit
                  PID:5656
                  • C:\Windows\SysWOW64\regedit.exe
                    REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
                    9⤵
                    • Runs .reg file with regedit
                    PID:4052
              • C:\Windows\SysWOW64\updates.exe
                C:\Windows\system32\updates.exe 1712 "C:\Windows\SysWOW64\updates.exe"
                7⤵
                • Executes dropped EXE
                • Drops file in System32 directory
                • Suspicious use of SetThreadContext
                • Suspicious use of SetWindowsHookEx
                • Suspicious use of WriteProcessMemory
                PID:5460
                • C:\Windows\SysWOW64\updates.exe
                  8⤵
                  • Executes dropped EXE
                  • Drops file in System32 directory
                  PID:1204
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c c:\a.bat
                    9⤵
                      PID:2676
                      • C:\Windows\SysWOW64\regedit.exe
                        REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
                        10⤵
                        • Modifies security service
                        • Runs .reg file with regedit
                        PID:1452
                    • C:\Windows\SysWOW64\updates.exe
                      C:\Windows\system32\updates.exe 1712 "C:\Windows\SysWOW64\updates.exe"
                      9⤵
                      • Executes dropped EXE
                      • Drops file in System32 directory
                      • Suspicious use of SetThreadContext
                      • Suspicious use of SetWindowsHookEx
                      PID:4088
                      • C:\Windows\SysWOW64\updates.exe
                        10⤵
                        • Executes dropped EXE
                        • Drops file in System32 directory
                        PID:3532
                        • C:\Windows\SysWOW64\updates.exe
                          C:\Windows\system32\updates.exe 1712 "C:\Windows\SysWOW64\updates.exe"
                          11⤵
                          • Executes dropped EXE
                          • Drops file in System32 directory
                          • Suspicious use of SetThreadContext
                          • Suspicious use of SetWindowsHookEx
                          PID:3288
                          • C:\Windows\SysWOW64\updates.exe
                            12⤵
                            • Executes dropped EXE
                            • Drops file in System32 directory
                            PID:5100
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /c c:\a.bat
                              13⤵
                                PID:724
                                • C:\Windows\SysWOW64\regedit.exe
                                  REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
                                  14⤵
                                  • Modifies security service
                                  • Runs .reg file with regedit
                                  PID:5384
                              • C:\Windows\SysWOW64\updates.exe
                                C:\Windows\system32\updates.exe 1708 "C:\Windows\SysWOW64\updates.exe"
                                13⤵
                                • Executes dropped EXE
                                • Drops file in System32 directory
                                • Suspicious use of SetThreadContext
                                • Suspicious use of SetWindowsHookEx
                                PID:5596
                                • C:\Windows\SysWOW64\updates.exe
                                  14⤵
                                  • Executes dropped EXE
                                  • Drops file in System32 directory
                                  PID:4448
                                  • C:\Windows\SysWOW64\updates.exe
                                    C:\Windows\system32\updates.exe 1712 "C:\Windows\SysWOW64\updates.exe"
                                    15⤵
                                    • Executes dropped EXE
                                    • Drops file in System32 directory
                                    • Suspicious use of SetThreadContext
                                    • Suspicious use of SetWindowsHookEx
                                    PID:2936
                                    • C:\Windows\SysWOW64\updates.exe
                                      16⤵
                                      • Executes dropped EXE
                                      • Drops file in System32 directory
                                      PID:6132
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /c c:\a.bat
                                        17⤵
                                          PID:3456
                                          • C:\Windows\SysWOW64\regedit.exe
                                            REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
                                            18⤵
                                            • Modifies security service
                                            • Runs .reg file with regedit
                                            PID:624
                                        • C:\Windows\SysWOW64\updates.exe
                                          C:\Windows\system32\updates.exe 1712 "C:\Windows\SysWOW64\updates.exe"
                                          17⤵
                                          • Executes dropped EXE
                                          • Drops file in System32 directory
                                          • Suspicious use of SetThreadContext
                                          • Suspicious use of SetWindowsHookEx
                                          PID:5176
                                          • C:\Windows\SysWOW64\updates.exe
                                            18⤵
                                            • Executes dropped EXE
                                            • Drops file in System32 directory
                                            PID:3172
                                            • C:\Windows\SysWOW64\cmd.exe
                                              C:\Windows\system32\cmd.exe /c c:\a.bat
                                              19⤵
                                                PID:3508
                                              • C:\Windows\SysWOW64\updates.exe
                                                C:\Windows\system32\updates.exe 1712 "C:\Windows\SysWOW64\updates.exe"
                                                19⤵
                                                • Executes dropped EXE
                                                • Drops file in System32 directory
                                                • Suspicious use of SetThreadContext
                                                • Suspicious use of SetWindowsHookEx
                                                PID:3644
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c c:\a.bat
            1⤵
              PID:4000
              • C:\Windows\SysWOW64\regedit.exe
                REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
                2⤵
                • Modifies security service
                • Runs .reg file with regedit
                PID:4448
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c c:\a.bat
                  3⤵
                    PID:1884
                    • C:\Windows\SysWOW64\regedit.exe
                      REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
                      4⤵
                      • Modifies security service
                      • Runs .reg file with regedit
                      PID:5328
              • C:\Windows\SysWOW64\regedit.exe
                REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
                1⤵
                • Modifies security service
                • Runs .reg file with regedit
                PID:4720
              • C:\Windows\SysWOW64\regedit.exe
                REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
                1⤵
                • Runs .reg file with regedit
                PID:5360
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c c:\a.bat
                1⤵
                  PID:1620
                • C:\Windows\SysWOW64\updates.exe
                  1⤵
                  • Executes dropped EXE
                  PID:2452
                  • C:\Windows\SysWOW64\updates.exe
                    C:\Windows\system32\updates.exe 1712 "C:\Windows\SysWOW64\updates.exe"
                    2⤵
                      PID:2984
                  • C:\Windows\SysWOW64\updates.exe
                    1⤵
                      PID:5628
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c c:\a.bat
                        2⤵
                          PID:5656

                      Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            1.reg

                            • Path C:\Users\Admin\AppData\Local\Temp\1.reg
                            • Size 2KB
                            • SHA256 672e3c47827c2fc929fc92cd7d2a61d9ba41e847f876a1e5486e2701cbc3cb06
                            • MD5 SHA1 SHA512

                            1.reg

                            • Path C:\Users\Admin\AppData\Local\Temp\1.reg
                            • Size 3KB
                            • SHA256 f360fb5740172b6b4dd59c1ac30b480511665ae991196f833167e275d91f943e
                            • MD5 SHA1 SHA512

                            1.reg

                            • Path C:\Users\Admin\AppData\Local\Temp\1.reg
                            • Size 2KB
                            • SHA256 fd1be29f1f4b9fc4a8d9b583c4d2114f17c062998c833b2085960ac02ef82019
                            • MD5 SHA1 SHA512

                            1.reg

                            • Path C:\Users\Admin\AppData\Local\Temp\1.reg
                            • Size 1KB
                            • SHA256 ee2b1a70a028c6d66757d68a847b4631fc722c1e9bfc2ce714b5202f43ec6b57
                            • MD5 SHA1 SHA512

                            1.reg

                            • Path C:\Users\Admin\AppData\Local\Temp\1.reg
                            • Size 849B
                            • SHA256 c11beaac10a5e00391ef4b41be8c240f59c5a2dc930aead6d7db237fcd2641fb
                            • MD5 SHA1 SHA512

                            1.reg

                            • Path C:\Users\Admin\AppData\Local\Temp\1.reg
                            • Size 784B
                            • SHA256 8cd3b8dd28ac014cf973d9ab4b03af1c274bbc9b5ee0ee4ab8af0bdb01573b84
                            • MD5 SHA1 SHA512

                            updates.exe

                            • Path C:\Windows\SysWOW64\updates.exe
                            • Size 153KB
                            • SHA256 76aae9156bf065e0246d9811fe4bebeba1b219f994fb6b7ce088d78281581a06
                            • MD5 SHA1 SHA512 SSDEEP

                            updates.exe

                            • Path C:\Windows\SysWOW64\updates.exe
                            • Size 215KB
                            • SHA256 469ae23865db93f3f2cd2539697f0acde1e6eb708924f802e07d47c57872ca2c
                            • MD5 SHA1 SHA512 SSDEEP

                            updates.exe

                            • Path C:\Windows\SysWOW64\updates.exe
                            • Size 224KB
                            • SHA256 98bab8a6f23235079f204b65fa44a9cfa3b783e15bf46552f25743140cdb272b
                            • MD5 SHA1 SHA512 SSDEEP

                            updates.exe

                            • Path C:\Windows\SysWOW64\updates.exe
                            • Size 497KB
                            • SHA256 cfe125f36d37de26cd3d2003ca27710e67ea988c30bfa3a83b86a56cc1f35e6e
                            • MD5 SHA1 SHA512 SSDEEP

                            updates.exe

                            • Path C:\Windows\SysWOW64\updates.exe
                            • Size 273KB
                            • SHA256 22ba1227933e791875fab52aa9b61740fe3cda412c4d18eb14f3fb066835a967
                            • MD5 SHA1 SHA512 SSDEEP

                            updates.exe

                            • Path C:\Windows\SysWOW64\updates.exe
                            • Size 340KB
                            • SHA256 ffa1e182c293fd9f42d640836e216bda06c10b4f67d8670c1397e45dc5184ceb
                            • MD5 SHA1 SHA512 SSDEEP

                            updates.exe

                            • Path C:\Windows\SysWOW64\updates.exe
                            • Size 38KB
                            • SHA256 f1ba0e10750af3c90ebabd6ec3d6b1e266ce2b7ca5effb7453b6168c4f91f6a0
                            • MD5 SHA1 SHA512 SSDEEP

                            a.bat

                            • Path \??\c:\a.bat
                            • Size 5KB
                            • SHA256 ce4674afd978d1401596d22a0961f90c8fb53c5bd55649684e1a999c8cf77876
                            • MD5 SHA1 SHA512 SSDEEP

                            memory/1204-390-0x0000000000400000-0x00000000004A3000-memory.dmp

                            memory/1204-486-0x0000000000400000-0x00000000004A3000-memory.dmp

                            memory/2452-1007-0x0000000000400000-0x00000000004A3000-memory.dmp

                            memory/2452-1243-0x0000000000400000-0x00000000004A3000-memory.dmp

                            memory/2528-169-0x0000000000400000-0x00000000004A3000-memory.dmp

                            memory/2528-239-0x0000000000400000-0x00000000004A3000-memory.dmp

                            memory/2612-345-0x0000000000400000-0x00000000004A3000-memory.dmp

                            memory/2612-256-0x0000000000400000-0x00000000004A3000-memory.dmp

                            memory/3172-923-0x0000000000400000-0x00000000004A3000-memory.dmp

                            memory/3172-884-0x0000000000400000-0x00000000004A3000-memory.dmp

                            memory/3532-501-0x0000000000400000-0x00000000004A3000-memory.dmp

                            memory/3532-500-0x0000000000400000-0x00000000004A3000-memory.dmp

                            memory/4448-746-0x0000000000400000-0x00000000004A3000-memory.dmp

                            memory/4448-656-0x0000000000400000-0x00000000004A3000-memory.dmp

                            memory/5064-2-0x0000000000400000-0x00000000004A3000-memory.dmp

                            memory/5064-116-0x0000000000400000-0x00000000004A3000-memory.dmp

                            memory/5064-7-0x0000000000400000-0x00000000004A3000-memory.dmp

                            memory/5064-4-0x0000000000400000-0x00000000004A3000-memory.dmp

                            memory/5100-624-0x0000000000400000-0x00000000004A3000-memory.dmp

                            memory/5100-515-0x0000000000400000-0x00000000004A3000-memory.dmp

                            memory/5628-1130-0x0000000000400000-0x00000000004A3000-memory.dmp

                            memory/6132-761-0x0000000000400000-0x00000000004A3000-memory.dmp

                            memory/6132-869-0x0000000000400000-0x00000000004A3000-memory.dmp