Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2024 11:09

General

  • Target

    9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe

  • Size

    732KB

  • MD5

    9b1a67e666a0c2eca43548a7c522f569

  • SHA1

    168cd0433734a4d15d7629c3adba5e775eb216c6

  • SHA256

    ef4c000a5ae1cf0bf4beb6cccbdf400ce23f22e65009f182ccdd1dab73c65e25

  • SHA512

    0483cae966b7f35ec14b524492efd416d31288b9a44d44e0198546813bcedc3d243b2e0712b793caa194837a331c1ed9e1962a8686983d43fb161090a9a525a2

  • SSDEEP

    12288:bCX3Ck/9duMKjzD4IAvy21dVzJgfuCSPokOFLsoPz2SqqkqUcQxbBhJ8:b83hmMoD4GspJcNSgke45SRefbBhJ8

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

127.0.0.1:1604

Mutex

DCMIN_MUTEX-Y280A3J

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    tHZqRMSyWCop

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

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 3 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\9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2124
    • C:\Users\Admin\AppData\Local\Temp\9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\9b1a67e666a0c2eca43548a7c522f569_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:2396
      • C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
        "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2356
        • C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
          "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2768

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\Documents\DCSCMIN\IMDCSC.exe

    Filesize

    732KB

    MD5

    9b1a67e666a0c2eca43548a7c522f569

    SHA1

    168cd0433734a4d15d7629c3adba5e775eb216c6

    SHA256

    ef4c000a5ae1cf0bf4beb6cccbdf400ce23f22e65009f182ccdd1dab73c65e25

    SHA512

    0483cae966b7f35ec14b524492efd416d31288b9a44d44e0198546813bcedc3d243b2e0712b793caa194837a331c1ed9e1962a8686983d43fb161090a9a525a2

  • memory/2396-6-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2396-15-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2396-4-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2396-22-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2396-2-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2396-12-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2396-10-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2396-8-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2396-19-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2396-0-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2396-21-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2396-20-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2396-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2396-18-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2396-60-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2768-56-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2768-59-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2768-58-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2768-57-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2768-62-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2768-63-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB