Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-07-2024 17:10

General

  • Target

    795524a907a4dbc2da64cd1adc05a937_JaffaCakes118.exe

  • Size

    911KB

  • MD5

    795524a907a4dbc2da64cd1adc05a937

  • SHA1

    6e9c7a36893a4a99bfba6a70370a735f68feb776

  • SHA256

    b6d774f32aeef2ca1da256b632e71d4c05d0e2a185c8caafbe1b145cf0cdf89d

  • SHA512

    52814ca0421defcebce1271d8f28e84d84b82a187de42bc90950c8a7912300a41b7be6654842c767f1a3582eebd6dbbad6f46d88ce48872c5211d34eb0a5e702

  • SSDEEP

    12288:lBOfsQoumCC4WnqLdsNm/CahWxn8rQdjU2zQiWfLFTmEyuPXe6N+x3/Ds4IM:lBQsQbmSMqLY9Lxn8ruKbTmEyQ+x3d

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

rstown123.no-ip.biz:3081

127.0.0.1:3081

Mutex

DC_MUTEX-RMDNQLX

Attributes
  • gencode

    xglDrK2gwChT

  • install

    false

  • offline_keylogger

    false

  • password

    180125

  • persistence

    false

Signatures

  • Darkcomet

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 25 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\795524a907a4dbc2da64cd1adc05a937_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\795524a907a4dbc2da64cd1adc05a937_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2792
    • C:\Users\Admin\AppData\Local\Temp\Crypted.exe
      "C:\Users\Admin\AppData\Local\Temp\Crypted.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4780

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Crypted.exe

    Filesize

    660KB

    MD5

    a1e21c7d23195a45a2bc874c2f2188a8

    SHA1

    6ce85bfc56a1d43b54c8561b19aedac4dbd7154f

    SHA256

    a307fa406b177b44f886ef9de3360f4d0de586794355639f682bf69885fb3c0f

    SHA512

    352c87d1967941e43af645daaae8b1a0d6b1dfd3035ccb09940fb7ece8e5e606aee2bc743710a0d5dba3403a1ba26a1eeb42021effe119631e05d76a88a7bdc2

  • memory/2792-0-0x00000000748F2000-0x00000000748F3000-memory.dmp

    Filesize

    4KB

  • memory/2792-1-0x00000000748F0000-0x0000000074EA1000-memory.dmp

    Filesize

    5.7MB

  • memory/2792-2-0x00000000748F0000-0x0000000074EA1000-memory.dmp

    Filesize

    5.7MB

  • memory/2792-15-0x0000000001670000-0x0000000001680000-memory.dmp

    Filesize

    64KB

  • memory/2792-17-0x00000000748F2000-0x00000000748F3000-memory.dmp

    Filesize

    4KB

  • memory/2792-18-0x00000000748F0000-0x0000000074EA1000-memory.dmp

    Filesize

    5.7MB

  • memory/2792-20-0x0000000001670000-0x0000000001680000-memory.dmp

    Filesize

    64KB

  • memory/4780-14-0x0000000002170000-0x0000000002171000-memory.dmp

    Filesize

    4KB

  • memory/4780-16-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB