Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2024 22:16

General

  • Target

    ba6dea90299724a179a017ed93506be3_JaffaCakes118.exe

  • Size

    727KB

  • MD5

    ba6dea90299724a179a017ed93506be3

  • SHA1

    d811f71bf8e1da7cdf9ac391edbe6e7b96afbaaf

  • SHA256

    86cac4fc2f7d45a0713923a867416c8d908496260b3f15f746139208ad508430

  • SHA512

    78d45b4f16c2464a676098546adff674c1991e195b2f98003c654890801a390cf7d8cf41b180b7e9b23973836d1a5eeb171642d83482661676c0083695b32d9e

  • SSDEEP

    12288:fPYouHf5XPXbbaeWOLh+p/Oyu2kQyPhSYXK+trUVon+EPfxZVfHa7fbT6TOX/b:3YVfdbba1pGBPQyp5K+trson+EPL9+v3

Malware Config

Extracted

Family

darkcomet

Botnet

HoN

C2

127.0.0.1:1604

tanbark.zapto.org:1604

Mutex

DC_MUTEX-4ZE1Q04

Attributes
  • gencode

    KJQAYBHrPfLy

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 25 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ba6dea90299724a179a017ed93506be3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ba6dea90299724a179a017ed93506be3_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3320
    • C:\Users\Admin\AppData\Local\Temp\svqhost.exe
      C:\Users\Admin\AppData\Local\Temp\svqhost.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4588
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\j.vbs"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\j.vbs

    Filesize

    336B

    MD5

    ee73e8de7beef671dd620361c84c7588

    SHA1

    9efa3e66894c538c1030af06afb6342a8a62957f

    SHA256

    94a924a48e25fc6af9fe9ebc557cb3a4947fc8dd673bed27f63ae4f1d3575cf3

    SHA512

    6cf1818fbd7cb655dd5dad2b4e180c3ce544aea0ff5ef269da34a667f833503f0849853247b28779cd36d7dbbf418b2505bdb45f3a75e7b3baa4695e1ce1df37

  • C:\Users\Admin\AppData\Local\Temp\svqhost.exe

    Filesize

    34KB

    MD5

    e118330b4629b12368d91b9df6488be0

    SHA1

    ce90218c7e3b90df2a3409ec253048bb6472c2fd

    SHA256

    3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

    SHA512

    ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

  • memory/3320-1-0x00000000745E0000-0x0000000074B91000-memory.dmp

    Filesize

    5.7MB

  • memory/3320-2-0x00000000745E0000-0x0000000074B91000-memory.dmp

    Filesize

    5.7MB

  • memory/3320-3-0x00000000745E0000-0x0000000074B91000-memory.dmp

    Filesize

    5.7MB

  • memory/3320-0-0x00000000745E2000-0x00000000745E3000-memory.dmp

    Filesize

    4KB

  • memory/3320-22-0x00000000745E0000-0x0000000074B91000-memory.dmp

    Filesize

    5.7MB

  • memory/4588-23-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4588-27-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4588-15-0x0000000002860000-0x0000000002861000-memory.dmp

    Filesize

    4KB

  • memory/4588-17-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4588-16-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4588-12-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4588-9-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4588-6-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4588-24-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4588-25-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4588-26-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4588-14-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4588-28-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4588-29-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4588-30-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4588-31-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4588-32-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4588-33-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4588-34-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4588-35-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4588-36-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB