Analysis

  • max time kernel
    151s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2022 02:07

General

  • Target

    0b85a3a2a0bb71f4a131d276f1fe8d4c13bac9b6307d9eb96670e9ced1e2620a.exe

  • Size

    943KB

  • MD5

    0d7d7429425801971b952d95ac69bf79

  • SHA1

    812ce1d1e71dd0ca962687705530f6bc4be9fd84

  • SHA256

    0b85a3a2a0bb71f4a131d276f1fe8d4c13bac9b6307d9eb96670e9ced1e2620a

  • SHA512

    d254f16d0e12206b913fa038a8263e8ee7eb37216064d3ff4bda7da8f397a8746ab079fe417ba2faefd6a648bdda54f2301422c2d248a22b656130870b2105ae

  • SSDEEP

    24576:cBoWFTCn5Dn8RCOTwv9UA2d0pAEnR4DlHWQig:EFTS8BK+A+0pAY6DlHWQig

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

Thuglife.chickenkiller.com:1604

Mutex

DC_MUTEX-RF5C32V

Attributes
  • gencode

    04tqcSFoaP7w

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 25 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b85a3a2a0bb71f4a131d276f1fe8d4c13bac9b6307d9eb96670e9ced1e2620a.exe
    "C:\Users\Admin\AppData\Local\Temp\0b85a3a2a0bb71f4a131d276f1fe8d4c13bac9b6307d9eb96670e9ced1e2620a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2284
    • C:\Users\Admin\AppData\Local\Temp\0b85a3a2a0bb71f4a131d276f1fe8d4c13bac9b6307d9eb96670e9ced1e2620a.exe
      "C:\Users\Admin\AppData\Local\Temp\0b85a3a2a0bb71f4a131d276f1fe8d4c13bac9b6307d9eb96670e9ced1e2620a.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4992
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "regloader" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\coreloader.exe
      2⤵
      • Adds Run key to start application
      PID:1292

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1292-136-0x0000000000000000-mapping.dmp

  • memory/2284-132-0x00000000754F0000-0x0000000075AA1000-memory.dmp

    Filesize

    5.7MB

  • memory/2284-138-0x00000000754F0000-0x0000000075AA1000-memory.dmp

    Filesize

    5.7MB

  • memory/4992-133-0x0000000000000000-mapping.dmp

  • memory/4992-134-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4992-135-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4992-137-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4992-139-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4992-140-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB