Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/02/2025, 19:05

General

  • Target

    JaffaCakes118_27f6e79bf04f1af7f41f50760c597893.exe

  • Size

    1.0MB

  • MD5

    27f6e79bf04f1af7f41f50760c597893

  • SHA1

    d52d80ccb437c2cc652b98c504f7a0ee1b0136d4

  • SHA256

    ce10c10d0a415c12551d2b8273a351d33afac796203bb50cf4d4d2c8d57b8a04

  • SHA512

    c062fff700338354c31395cd1f7a63615ffb34ac743286fcd1e3664551032db331d97065dfbf4ef5289c1a8ab2d9733695b8f0c91aee4a366a996c22030636ad

  • SSDEEP

    12288:17Ibrt7GShRkOjsjIJ4JMLfodW/hazQ9UcA1kWUktNbgZyyaw6x94n1icb5zMQIp:17MPEQtnFVzIw3lKk1SKTWReDPs

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

moodi1231.no-ip.info:1604

Mutex

DC_MUTEX-FCHAXEB

Attributes
  • gencode

    3DtAFWPacedK

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

rc4.plain

Extracted

Family

darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 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 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 51 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27f6e79bf04f1af7f41f50760c597893.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27f6e79bf04f1af7f41f50760c597893.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4760
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3120
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MsCtfMonitor.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MsCtfMonitor.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2008
      • C:\Users\Admin\AppData\Local\Temp\rtscom.exe
        "C:\Users\Admin\AppData\Local\Temp\rtscom.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2960
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
          C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:5748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1.0MB

    MD5

    27f6e79bf04f1af7f41f50760c597893

    SHA1

    d52d80ccb437c2cc652b98c504f7a0ee1b0136d4

    SHA256

    ce10c10d0a415c12551d2b8273a351d33afac796203bb50cf4d4d2c8d57b8a04

    SHA512

    c062fff700338354c31395cd1f7a63615ffb34ac743286fcd1e3664551032db331d97065dfbf4ef5289c1a8ab2d9733695b8f0c91aee4a366a996c22030636ad

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MsCtfMonitor.exe

    Filesize

    9KB

    MD5

    647877b85c58069ec029be692f92b5a9

    SHA1

    83992787b164769fd57db74a6aa76592d1d1ac36

    SHA256

    8c4782baeaa123cec28fdae782020122adfdba8bee767bc3c19f6293b8c88fa4

    SHA512

    6b7bca094fc5f4541ef77cdaf7aaa298661057f7ee60a11bcb7c5dc784d72eecbdbcefdbd69286c259fa4517286f810ee2281c3441a591aedd68ed43afa24ec2

  • memory/2008-33-0x0000000074940000-0x0000000074EF1000-memory.dmp

    Filesize

    5.7MB

  • memory/2008-32-0x0000000074940000-0x0000000074EF1000-memory.dmp

    Filesize

    5.7MB

  • memory/2008-31-0x0000000074942000-0x0000000074943000-memory.dmp

    Filesize

    4KB

  • memory/2008-27-0x0000000074940000-0x0000000074EF1000-memory.dmp

    Filesize

    5.7MB

  • memory/2008-26-0x0000000074940000-0x0000000074EF1000-memory.dmp

    Filesize

    5.7MB

  • memory/2008-25-0x0000000074942000-0x0000000074943000-memory.dmp

    Filesize

    4KB

  • memory/3120-9-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/3120-13-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/3120-14-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/3120-12-0x00000000023B0000-0x00000000023B1000-memory.dmp

    Filesize

    4KB

  • memory/3120-11-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/3120-10-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/3120-30-0x00000000023B0000-0x00000000023B1000-memory.dmp

    Filesize

    4KB

  • memory/4760-0-0x0000000074942000-0x0000000074943000-memory.dmp

    Filesize

    4KB

  • memory/4760-8-0x0000000074940000-0x0000000074EF1000-memory.dmp

    Filesize

    5.7MB

  • memory/4760-7-0x0000000074942000-0x0000000074943000-memory.dmp

    Filesize

    4KB

  • memory/4760-2-0x0000000074940000-0x0000000074EF1000-memory.dmp

    Filesize

    5.7MB

  • memory/4760-1-0x0000000074940000-0x0000000074EF1000-memory.dmp

    Filesize

    5.7MB