Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-12-2024 04:55

General

  • Target

    e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe

  • Size

    504KB

  • MD5

    e4c92e4190580442c367f8a3f7ba0cbf

  • SHA1

    875f9d4228cbc657a275a8e1d38ea8e9f25b692c

  • SHA256

    864ca9e668afd622aa7e36429fec7a85cdaafd1045e1a1ad85c43e4f8ce9f84c

  • SHA512

    23f71d872fde0f01b0d8bc9ddbcb96a08f1c121eae0b6060fb756632143e145ece16b00cff6e544429b3455a34d71435251399ee8b54c83c23b72719ceddfdc8

  • SSDEEP

    12288:NUIENsXWcNWxQA5II7X6Ag8vC5euujNBq0FaiCGMRBLMj:NU+XWcN6+I7X6AgFeuuBw0EZo

Malware Config

Extracted

Family

darkcomet

Botnet

fa

C2

mahmodemos.no-ip.org:1604

Mutex

DC_MUTEX-6ZSL9GY

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    60BQkPtZSaCq

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 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 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Users\Admin\AppData\Local\Temp\e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.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:3008
      • C:\Users\Admin\Favorites\MSDCSC\msdcsc.exe
        "C:\Users\Admin\Favorites\MSDCSC\msdcsc.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2820
        • C:\Users\Admin\Favorites\MSDCSC\msdcsc.exe
          C:\Users\Admin\Favorites\MSDCSC\msdcsc.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2804

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\Favorites\MSDCSC\msdcsc.exe

    Filesize

    504KB

    MD5

    e4c92e4190580442c367f8a3f7ba0cbf

    SHA1

    875f9d4228cbc657a275a8e1d38ea8e9f25b692c

    SHA256

    864ca9e668afd622aa7e36429fec7a85cdaafd1045e1a1ad85c43e4f8ce9f84c

    SHA512

    23f71d872fde0f01b0d8bc9ddbcb96a08f1c121eae0b6060fb756632143e145ece16b00cff6e544429b3455a34d71435251399ee8b54c83c23b72719ceddfdc8

  • memory/2804-88-0x0000000000370000-0x0000000000371000-memory.dmp

    Filesize

    4KB

  • memory/2804-84-0x0000000000370000-0x0000000000371000-memory.dmp

    Filesize

    4KB

  • memory/2804-82-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/2820-83-0x0000000000400000-0x000000000050D000-memory.dmp

    Filesize

    1.1MB

  • memory/2820-46-0x0000000000400000-0x000000000050D000-memory.dmp

    Filesize

    1.1MB

  • memory/2988-2-0x00000000022F0000-0x00000000023FD000-memory.dmp

    Filesize

    1.1MB

  • memory/2988-32-0x0000000000400000-0x000000000050D000-memory.dmp

    Filesize

    1.1MB

  • memory/2988-0-0x0000000000400000-0x000000000050D000-memory.dmp

    Filesize

    1.1MB

  • memory/3008-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3008-33-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/3008-16-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/3008-6-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/3008-12-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/3008-4-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/3008-34-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/3008-23-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/3008-47-0x0000000003980000-0x0000000003A8D000-memory.dmp

    Filesize

    1.1MB

  • memory/3008-20-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/3008-45-0x0000000003980000-0x0000000003A8D000-memory.dmp

    Filesize

    1.1MB

  • memory/3008-49-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/3008-48-0x00000000004F0000-0x0000000000520000-memory.dmp

    Filesize

    192KB

  • memory/3008-26-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/3008-31-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/3008-9-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/3008-1-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB