Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    27-06-2024 20:32

General

  • Target

    176ce8ced727581cc9f115c5aa55edea_JaffaCakes118.exe

  • Size

    649KB

  • MD5

    176ce8ced727581cc9f115c5aa55edea

  • SHA1

    5f927c97f132d52defe29a7b8c54603187570d1c

  • SHA256

    58d1d43c864ff4a3926e02151ec48a9038586394ad3e3bb9193dc26e35718487

  • SHA512

    e0b3901ae184dfda7ebfa8903d2daa3076d96310d28407adfd2c8932b9c872e6e486c12daefe1e1d5568437d54198bcf13c8b7dd650d156c99cd1cc7547cc96b

  • SSDEEP

    12288:Nk0QNlxOnizg37k4LUSd0rv5WvYW5HMzLXj9pqQd7cqESAYi991fA/aV7:+0QpGih4bd0rv5+l5szLXj917cqPu91L

Malware Config

Extracted

Family

darkcomet

Botnet

s3rv3r-2

C2

tengxunsafeupdate.servecounterstrike.com:82

Mutex

DCMIN_MUTEX-2NZCBWP

Attributes
  • InstallPath

    WinDefender.exe

  • gencode

    2mzxGWP6uod7

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    WindowsDefender

Signatures

  • Darkcomet

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

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

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

  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\176ce8ced727581cc9f115c5aa55edea_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\176ce8ced727581cc9f115c5aa55edea_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1248
    • C:\Users\Admin\Documents\WinDefender.exe
      "C:\Users\Admin\Documents\WinDefender.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1492

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\Documents\WinDefender.exe

    Filesize

    649KB

    MD5

    176ce8ced727581cc9f115c5aa55edea

    SHA1

    5f927c97f132d52defe29a7b8c54603187570d1c

    SHA256

    58d1d43c864ff4a3926e02151ec48a9038586394ad3e3bb9193dc26e35718487

    SHA512

    e0b3901ae184dfda7ebfa8903d2daa3076d96310d28407adfd2c8932b9c872e6e486c12daefe1e1d5568437d54198bcf13c8b7dd650d156c99cd1cc7547cc96b

  • memory/1248-0-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/1248-10-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1492-16-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1492-18-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1492-13-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1492-14-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1492-15-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1492-11-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/1492-17-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1492-12-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1492-19-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1492-20-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1492-21-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1492-22-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1492-23-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1492-24-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1492-25-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB