Analysis

  • max time kernel
    141s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27-06-2024 19:57

General

  • Target

    1753e5c51e39ae8b979d2b7ce213a446_JaffaCakes118.exe

  • Size

    804KB

  • MD5

    1753e5c51e39ae8b979d2b7ce213a446

  • SHA1

    52e63b19aee9ba61c753593b0089cc6e352bf5cc

  • SHA256

    c3bab0f648527f6f1ce39bd437ca304d57264c4d45dd2bddef79f39be956640e

  • SHA512

    879ec0e1b861b574062d20d5aa9be06020870103c86c932a014826882c9ba48443142cc660630fd8da467c8470a6cf4d59d70e6fb2c6767898a5199c328368d0

  • SSDEEP

    12288:bK1q+iF0S+Xi+FSiSFVpIfi7CQc8FTnE97SFdmFnItdDlM2j:bICmS+XNF3aEsCQc8CSDo0dj

Malware Config

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1753e5c51e39ae8b979d2b7ce213a446_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1753e5c51e39ae8b979d2b7ce213a446_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1312
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      2⤵
      • Modifies WinLogon for persistence
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2008
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat" "
        3⤵
          PID:2756
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat" "
          3⤵
            PID:2496
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2008 -s 616
            3⤵
            • Program crash
            PID:2448

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat

        Filesize

        70B

        MD5

        73b0495dfd90f2f77a64d3ac7f6e7c03

        SHA1

        0503c56481fda524b90139b4d2e0b686765c355f

        SHA256

        0a4c374db7dcbe8944a2a3fc0d774247861318cc55494fe8b6f001fe46a69fc2

        SHA512

        9d6fbe22f8441cf2b78506bde2535e4137af1c200fe36272d4fb0adea8f33360c93cb1619c3b667514f185d632a078760ebc0f47eeb0825979e468a7c2c88e39

      • C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat

        Filesize

        62B

        MD5

        c6abd7a109bb37ab773b9e79b91b7741

        SHA1

        7933b8795914b27483d2afed35b3830e8bf5bdb6

        SHA256

        8bc84b3ddfd9c295f555926bf1c311be423732423c585ca90796cdee7a245629

        SHA512

        35d14c9b7366a4737e3685223d55d85c583c7fbe73274577424dc8d9960cc78c79a80a8b42a62f6d9d9962ddd60cf2a332411d4ac18196258dc9d5b0b575e3dc

      • memory/1312-0-0x00000000744A1000-0x00000000744A2000-memory.dmp

        Filesize

        4KB

      • memory/1312-1-0x00000000744A0000-0x0000000074A4B000-memory.dmp

        Filesize

        5.7MB

      • memory/1312-2-0x00000000744A0000-0x0000000074A4B000-memory.dmp

        Filesize

        5.7MB

      • memory/1312-26-0x00000000744A0000-0x0000000074A4B000-memory.dmp

        Filesize

        5.7MB

      • memory/2008-11-0x0000000000400000-0x00000000004CB000-memory.dmp

        Filesize

        812KB

      • memory/2008-6-0x0000000000400000-0x00000000004CB000-memory.dmp

        Filesize

        812KB

      • memory/2008-17-0x0000000000400000-0x00000000004CB000-memory.dmp

        Filesize

        812KB

      • memory/2008-13-0x0000000000400000-0x00000000004CB000-memory.dmp

        Filesize

        812KB

      • memory/2008-21-0x0000000000400000-0x00000000004CB000-memory.dmp

        Filesize

        812KB

      • memory/2008-9-0x0000000000400000-0x00000000004CB000-memory.dmp

        Filesize

        812KB

      • memory/2008-7-0x0000000000400000-0x00000000004CB000-memory.dmp

        Filesize

        812KB

      • memory/2008-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2008-23-0x0000000000400000-0x00000000004CB000-memory.dmp

        Filesize

        812KB

      • memory/2008-24-0x0000000000400000-0x00000000004CB000-memory.dmp

        Filesize

        812KB

      • memory/2008-25-0x0000000000400000-0x00000000004CB000-memory.dmp

        Filesize

        812KB

      • memory/2008-22-0x0000000000400000-0x00000000004CB000-memory.dmp

        Filesize

        812KB

      • memory/2008-15-0x0000000000400000-0x00000000004CB000-memory.dmp

        Filesize

        812KB

      • memory/2008-3-0x0000000000400000-0x00000000004CB000-memory.dmp

        Filesize

        812KB

      • memory/2008-47-0x0000000000400000-0x00000000004CB000-memory.dmp

        Filesize

        812KB