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Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/01/2025, 12:25

General

  • Target

    JaffaCakes118_651352130871329678645a2c55e5ef6e.exe

  • Size

    756KB

  • MD5

    651352130871329678645a2c55e5ef6e

  • SHA1

    800bcf13fe531a75f139a726565451fac19ef87b

  • SHA256

    d20e3b3c4ba4a659c205777ef07ad879526c151a4cfac41f74c4c507449d0e48

  • SHA512

    f3785622896beffd6885ac671656a4fb17c1bcb87ee175a3733d366b3857d09b6af3e15b2159b1267dfcbcd62d38ae26afd87171dd5950f6a89a3df63671887f

  • SSDEEP

    12288:c9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnK:KAQ6Zx9cxTmOrucTIEFSpOG

Malware Config

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 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 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_651352130871329678645a2c55e5ef6e.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Adds Run key to start application
    • 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:3932
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:2156
    • 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:4164

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Java(HT) Platform

    Filesize

    756KB

    MD5

    651352130871329678645a2c55e5ef6e

    SHA1

    800bcf13fe531a75f139a726565451fac19ef87b

    SHA256

    d20e3b3c4ba4a659c205777ef07ad879526c151a4cfac41f74c4c507449d0e48

    SHA512

    f3785622896beffd6885ac671656a4fb17c1bcb87ee175a3733d366b3857d09b6af3e15b2159b1267dfcbcd62d38ae26afd87171dd5950f6a89a3df63671887f

  • memory/2156-2-0x0000000000FE0000-0x0000000000FE1000-memory.dmp

    Filesize

    4KB

  • memory/3932-0-0x00000000021F0000-0x00000000021F1000-memory.dmp

    Filesize

    4KB

  • memory/3932-10-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB

  • memory/4164-12-0x0000000002B20000-0x0000000002B21000-memory.dmp

    Filesize

    4KB

  • memory/4164-11-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB

  • memory/4164-8-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB

  • memory/4164-15-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB

  • memory/4164-14-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB

  • memory/4164-13-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB

  • memory/4164-7-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB

  • memory/4164-9-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB

  • memory/4164-16-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB