Analysis

  • max time kernel
    15s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    22-10-2024 02:20

General

  • Target

    6873cbc43eb2744035978b4ab6c748a0_JaffaCakes118.exe

  • Size

    1.7MB

  • MD5

    6873cbc43eb2744035978b4ab6c748a0

  • SHA1

    f1a444ed188e974d4c4ada2754a672e986a74557

  • SHA256

    ac4c799664c65e33c1cb19c183faadba788c0d299b9647c4b890e388fe3202b5

  • SHA512

    5fa49323134c66549db5fc75c87ae8a6a3a69235d3175ebddc5bbc78fe6264bcb38a713a60f011201415cd72fb93f9257a3f866e29d3a73de43d94a772dbb6b1

  • SSDEEP

    24576:3e/OhglHQEgBM4RsioUYpbNejT1C6H+e6UGwji:3yO45i/o6HLjji

Malware Config

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6873cbc43eb2744035978b4ab6c748a0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6873cbc43eb2744035978b4ab6c748a0_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2296
    • 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
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2644
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2696
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" +s +h
          4⤵
          • Sets file to hidden
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:2868
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Windows\Microsoft.NET\Framework\v2.0.50727" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2808
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Windows\Microsoft.NET\Framework\v2.0.50727" +s +h
          4⤵
          • Sets file to hidden
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:1808
      • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
        "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

    Filesize

    1.1MB

    MD5

    34aa912defa18c2c129f1e09d75c1d7e

    SHA1

    9c3046324657505a30ecd9b1fdb46c05bde7d470

    SHA256

    6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

    SHA512

    d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

  • memory/2296-0-0x0000000074931000-0x0000000074932000-memory.dmp

    Filesize

    4KB

  • memory/2296-1-0x0000000074930000-0x0000000074EDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2296-2-0x0000000074930000-0x0000000074EDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2296-24-0x0000000074930000-0x0000000074EDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2644-9-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/2644-7-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/2644-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2644-15-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/2644-11-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/2644-20-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/2644-8-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/2644-19-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/2644-6-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/2644-21-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/2644-23-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/2644-22-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/2644-13-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/2644-33-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/2644-3-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB