Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/02/2025, 16:48

General

  • Target

    JaffaCakes118_ad637071f9967e471f94a8c5f14deefb.exe

  • Size

    415KB

  • MD5

    ad637071f9967e471f94a8c5f14deefb

  • SHA1

    0478717ca307cb5ae2f17bc1886e4c6e75cb6d72

  • SHA256

    74efc2b01ee867111f3accb6667dc737e1014bcd68647cd8d116bfee9735503f

  • SHA512

    66457950a65c31f19428054139bceb8ff38a100821c61f3ba93e9291e335ec2ddb9bc5264582e7552b1a35294bb8123238e85d0430f44f3b43d8b8da250fe3ad

  • SSDEEP

    12288:4PyCwPKuqzS3U6pXzz2FtsFo6B9ARyh/l8iDWQlR:4PyCTrzS3U6heFtvJRyh98i6gR

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

loveayada.zapto.org:82

Mutex

DC_MUTEX-QLHXCM9

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    t4ncNQbXdKme

  • install

    true

  • offline_keylogger

    true

  • password

    ayada

  • persistence

    true

  • reg_key

    MicroUpdate

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 29 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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.

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ad637071f9967e471f94a8c5f14deefb.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ad637071f9967e471f94a8c5f14deefb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4252
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ad637071f9967e471f94a8c5f14deefb.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ad637071f9967e471f94a8c5f14deefb.exe
      2⤵
      • Modifies WinLogon for persistence
      • Checks computer location settings
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2012
      • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
        "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3832
        • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
          C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
          4⤵
          • Modifies firewall policy service
          • Modifies security service
          • Windows security bypass
          • Executes dropped EXE
          • Windows security modification
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • System policy modification
          PID:640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

    Filesize

    415KB

    MD5

    ad637071f9967e471f94a8c5f14deefb

    SHA1

    0478717ca307cb5ae2f17bc1886e4c6e75cb6d72

    SHA256

    74efc2b01ee867111f3accb6667dc737e1014bcd68647cd8d116bfee9735503f

    SHA512

    66457950a65c31f19428054139bceb8ff38a100821c61f3ba93e9291e335ec2ddb9bc5264582e7552b1a35294bb8123238e85d0430f44f3b43d8b8da250fe3ad

  • memory/640-97-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/640-98-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/640-107-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/640-106-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/640-105-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/640-104-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/640-103-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/640-102-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/640-101-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/640-100-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/640-99-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/640-91-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/640-96-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/640-95-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/640-87-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/640-94-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/640-85-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/640-92-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/640-89-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/640-88-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/640-93-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/640-90-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2012-16-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2012-12-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2012-79-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2012-8-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2012-15-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2012-14-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2012-9-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/3832-80-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/4252-13-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/4252-2-0x0000000074802000-0x0000000074803000-memory.dmp

    Filesize

    4KB

  • memory/4252-0-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/4252-11-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/4252-1-0x0000000000500000-0x0000000000503000-memory.dmp

    Filesize

    12KB

  • memory/4252-7-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/4252-6-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/4252-5-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/4252-4-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/4252-3-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB