Analysis

  • max time kernel
    150s
  • max time network
    21s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07/02/2025, 11:56

General

  • Target

    JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe

  • Size

    330KB

  • MD5

    b6c0bc54b232202edef006875fa55c1a

  • SHA1

    b1d58e3537b12c5be5f185c03e28029bed759304

  • SHA256

    cfeeb6b0024c5b2c9ff64ac45061ebcb27799cc8a28b1e95620b65f7aed2e1d0

  • SHA512

    948b5d0cb9d8610ebddec4c4f7fc5f31e4c4e7556ba462ba0346d5b6ce5cd94505ee409cb319bd60096ea07466dc4b7b7addc7590b16bec639c0ebf3765bdd1b

  • SSDEEP

    6144:E4CFfifD2gVKVTQQ249HZ52KTh9XKOCgLJacj5/AZtRsh5LLVMdWnpQZh9h4u:EXgr8VMQDT52WXKq9fj5/AZj8DMd0QZ+

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

Mutex

DC_MUTEX-H6JN47S

Attributes
  • gencode

    W=m=%R595Z�n

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 10 IoCs

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

  • 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 46 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.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:2180
    • 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
      PID:2696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2180-9-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/2180-1-0x0000000000300000-0x0000000000301000-memory.dmp

    Filesize

    4KB

  • memory/2180-0-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/2696-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2696-6-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/2696-10-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/2696-2-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/2696-12-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/2696-13-0x0000000000190000-0x0000000000191000-memory.dmp

    Filesize

    4KB

  • memory/2696-11-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/2696-14-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/2696-15-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/2696-16-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/2696-17-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB