Analysis

  • max time kernel
    150s
  • max time network
    138s
  • 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, 06:34

General

  • Target

    JaffaCakes118_24135c15c8859f8fc57cb8ce472932d4.exe

  • Size

    658KB

  • MD5

    24135c15c8859f8fc57cb8ce472932d4

  • SHA1

    9b2254c38a7306f5c8195223ea970a8198a0bb48

  • SHA256

    444e7e899dcdf819467de8bcd7e6ff9b783dd21d4d2295f2556af82d02c425dc

  • SHA512

    8e7c11ac5e80cc550a2690170311b95c3997f6546ac2af40e94f3fe6e6c0bcb009470b3a023f56508d7d8395b479544ce68589fb77fba324e8cf663489bb7d0a

  • SSDEEP

    12288:B9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKq:3AQ6Zx9cxTmOrucTIEFSpOGT

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

Mutex

DC_MUTEX-F54S21D

Attributes
  • gencode

    jSU5o.=p�%Gb

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

rc4.plain

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 1 IoCs
  • 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.

  • Checks processor information in registry 2 TTPs 8 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_24135c15c8859f8fc57cb8ce472932d4.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_24135c15c8859f8fc57cb8ce472932d4.exe"
    1⤵
    • Checks BIOS information in registry
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:884
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\SysWOW64\explorer.exe"
      2⤵
      • Checks BIOS information in registry
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/884-0-0x0000000002330000-0x0000000002331000-memory.dmp

    Filesize

    4KB

  • memory/884-4-0x0000000013140000-0x00000000131F6000-memory.dmp

    Filesize

    728KB

  • memory/2988-1-0x0000000013140000-0x00000000131F6000-memory.dmp

    Filesize

    728KB

  • memory/2988-2-0x0000000013140000-0x00000000131F6000-memory.dmp

    Filesize

    728KB

  • memory/2988-3-0x0000000013140000-0x00000000131F6000-memory.dmp

    Filesize

    728KB

  • memory/2988-5-0x0000000013140000-0x00000000131F6000-memory.dmp

    Filesize

    728KB

  • memory/2988-6-0x0000000000D40000-0x0000000000D41000-memory.dmp

    Filesize

    4KB

  • memory/2988-8-0x0000000013140000-0x00000000131F6000-memory.dmp

    Filesize

    728KB

  • memory/2988-9-0x0000000013140000-0x00000000131F6000-memory.dmp

    Filesize

    728KB

  • memory/2988-7-0x0000000013140000-0x00000000131F6000-memory.dmp

    Filesize

    728KB

  • memory/2988-10-0x0000000013140000-0x00000000131F6000-memory.dmp

    Filesize

    728KB

  • memory/2988-11-0x0000000000D40000-0x0000000000D41000-memory.dmp

    Filesize

    4KB