Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/02/2025, 23:33

General

  • Target

    JaffaCakes118_303751bcf4517eeddf5920ff491d5cbd.exe

  • Size

    655KB

  • MD5

    303751bcf4517eeddf5920ff491d5cbd

  • SHA1

    0d2e3554918907d6f90a722a6579e047e29545c4

  • SHA256

    79d109267b68ce87a577d79fc23b4c0a9491915ff2d1fd11dc270d608f679653

  • SHA512

    6ff1124acd386214249beab58142841fc405a6f64121f7e40938655af6563ba934cfc8da76bee2c94f47d87f77ff074566232e859a82570721eff115d239c3f8

  • SSDEEP

    12288:jpwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIkn/r:lwAcu99lPzvxP+Bsz2XjWTRMQckkIknD

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

afkalkflcxvxcv.redirectme.net:1604

Mutex

DC_MUTEX-F54S21D

Attributes
  • gencode

    �G.e==B0l$Ko

  • 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 BIOS information in registry 2 TTPs 2 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 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 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_303751bcf4517eeddf5920ff491d5cbd.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_303751bcf4517eeddf5920ff491d5cbd.exe"
    1⤵
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Drops file in System32 directory
    • 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 SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:400
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\SysWOW64\explorer.exe"
      2⤵
      • Checks BIOS information in registry
      • Loads dropped DLL
      • Drops file in System32 directory
      • Drops file in Windows directory
      • 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:3816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\olemdb32.dll

    Filesize

    23KB

    MD5

    65387b1305f01ede9bce1b664207d5d7

    SHA1

    19d719d16958e6a1c5367b578cb9ff7700e695bf

    SHA256

    148f1d2ce99fb0305e53fd24add20cd19cc420e9c1d1b64abf42b456da94cd23

    SHA512

    cd64957c47979626be9a77b2a2ee2d0b22b72540369a4b6cfe1c1c9f8180b546db0b6e637259dd8f7a09506d738ec57fc34b116e199641c40f55e0d5b40a2a29

  • memory/400-13-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/400-8-0x0000000010000000-0x000000001000F000-memory.dmp

    Filesize

    60KB

  • memory/400-9-0x00000000022D0000-0x00000000022D1000-memory.dmp

    Filesize

    4KB

  • memory/400-0-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/400-21-0x0000000010000000-0x000000001000F000-memory.dmp

    Filesize

    60KB

  • memory/3816-10-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3816-12-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3816-11-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3816-20-0x0000000010000000-0x000000001000F000-memory.dmp

    Filesize

    60KB

  • memory/3816-19-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3816-22-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3816-23-0x0000000001460000-0x0000000001461000-memory.dmp

    Filesize

    4KB

  • memory/3816-24-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3816-25-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3816-26-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3816-27-0x0000000010000000-0x000000001000F000-memory.dmp

    Filesize

    60KB