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Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02/01/2025, 12:01

General

  • Target

    JaffaCakes118_64eff4f0e19acf9ccf8cdd9d672af690.exe

  • Size

    715KB

  • MD5

    64eff4f0e19acf9ccf8cdd9d672af690

  • SHA1

    617bc8febea4370ec4b7123191b275fb01c3ea57

  • SHA256

    32cd6293bb07914f054fc76511c60a647fb1ccfdd6e1dddcc1a68a2a842a9c3a

  • SHA512

    43f67518e9f1adc7c1923f5ce99722b62f4118d35705ee740a14b97e4d782332e3154fb0fd61e7b9659d92840bad5941a204c72fa3e2512b7711f5ee6131a174

  • SSDEEP

    12288:tRnfZLsRTMgxjVlbOihYaamOqGPfw0C5dqsUu5eR57qVe3s:ffNIT1lbxhYXmGVqlP4ye3s

Malware Config

Extracted

Family

darkcomet

Botnet

New

C2

zw4lcfe.no-ip.biz:36050

Mutex

DC_MUTEX-G4MYDUH

Attributes
  • gencode

    UAAq4f17b6ky

  • install

    false

  • offline_keylogger

    true

  • password

    -RandomPassword0000-

  • persistence

    false

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 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 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64eff4f0e19acf9ccf8cdd9d672af690.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64eff4f0e19acf9ccf8cdd9d672af690.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1836
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\1upyx2mg.cmdline"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2076
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESC7B3.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcC7B2.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2064
    • C:\Users\Admin\AppData\Local\Temp\AppLaunch\svhst.exe
      C:\Users\Admin\AppData\Local\Temp\\AppLaunch\svhst.exe
      2⤵
      • Modifies firewall policy service
      • Modifies security service
      • Windows security bypass
      • Executes dropped EXE
      • Windows security modification
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:2732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\1upyx2mg.0.vb

    Filesize

    1KB

    MD5

    73063624452d1f57340417b1db497881

    SHA1

    106cf3f4d0615feee26587652b52292177f9a516

    SHA256

    fffb0516398c7283d0ce4c614c84bad3b5730771b323928dbc66171090f92bc7

    SHA512

    47fe84fa9df2c8ee2b6057f596afff7b80d6f31902f82944b9e984658d15e8028d260d58830a1c14555008d48a67d695e7aaf555834a52827ac15c3a559c8d3d

  • C:\Users\Admin\AppData\Local\Temp\1upyx2mg.cmdline

    Filesize

    168B

    MD5

    ce0c414801ccc83f58f6913440cc3477

    SHA1

    e9c14bebffaa2af5ef676aa96621fb720d7353f7

    SHA256

    d59207452bfa9fb27998f7cabb2f5172609f516a98b8a1f40473f8ec2fe838f3

    SHA512

    79dd6f24bd4b15a753c95cee9e2f6cebfe58d65fb80b8cee768b6170dc76999eaecc8262d9a1c96c876a3b0e00d73b08f7d1cb477223549a49fd4088aa9d42f3

  • C:\Users\Admin\AppData\Local\Temp\1upyx2mg.dll

    Filesize

    7KB

    MD5

    6cfa3f2f4e7ad0f9454db1c3345a53c7

    SHA1

    7312161f3d12a353368db577afc3ddcba3574f78

    SHA256

    2d5c09dfde5c406fbc27e4d3d8ff0d08687207464aa5a86bcc57c13e00d23bfb

    SHA512

    ea512df39d3ebbd2545d344103d78487c04dd23bfeff9fe20fbe9cacf5de3c120aaeba2ba49712169ac9b1ed5bc9d90c7334a1f46120ee899c5179ba5b27a7ee

  • C:\Users\Admin\AppData\Local\Temp\RESC7B3.tmp

    Filesize

    1KB

    MD5

    dcec0d244a63b14222c7233b00dddb6b

    SHA1

    4dd1e8458df0ba9e20e7a4fde2b234e315a595c0

    SHA256

    8f1eac14a349078cd3f9118b0059bda17543a105fd2cde431812fd0f4a8bfb96

    SHA512

    8cfea2f17b47b7643b10b7ee32ef6f2f4261ad9d93e0c8e2edd08f9d9bb06036d154a4d040a1714e251e1c58fa60b4b327fc12ebda902226ad4b1118f9422648

  • C:\Users\Admin\AppData\Local\Temp\vbcC7B2.tmp

    Filesize

    652B

    MD5

    e7adaa8e6259131a01de792aa2f1cf66

    SHA1

    e8b3a7bdf797ddca7fa7c401334ba6a0a94ec8ec

    SHA256

    a3242e151765d0d9f5a9ec7b90753b399b8ef206816ab8f0d4500ef827da5add

    SHA512

    a4ab362c27e218769dfec0dcc1960a852817e6ae2322253e1e59998f8a8c40eb2778a0917c97ad96a7fe5e77ceb89209e3b86562708b8894934415b159e95f5f

  • \Users\Admin\AppData\Local\Temp\AppLaunch\svhst.exe

    Filesize

    1.1MB

    MD5

    34aa912defa18c2c129f1e09d75c1d7e

    SHA1

    9c3046324657505a30ecd9b1fdb46c05bde7d470

    SHA256

    6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

    SHA512

    d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

  • memory/1836-6-0x0000000074670000-0x0000000074C1B000-memory.dmp

    Filesize

    5.7MB

  • memory/1836-8-0x0000000074670000-0x0000000074C1B000-memory.dmp

    Filesize

    5.7MB

  • memory/1836-0-0x0000000074671000-0x0000000074672000-memory.dmp

    Filesize

    4KB

  • memory/1836-2-0x0000000074670000-0x0000000074C1B000-memory.dmp

    Filesize

    5.7MB

  • memory/1836-1-0x0000000074670000-0x0000000074C1B000-memory.dmp

    Filesize

    5.7MB

  • memory/1836-51-0x0000000074670000-0x0000000074C1B000-memory.dmp

    Filesize

    5.7MB

  • memory/2076-9-0x0000000074670000-0x0000000074C1B000-memory.dmp

    Filesize

    5.7MB

  • memory/2076-18-0x0000000074670000-0x0000000074C1B000-memory.dmp

    Filesize

    5.7MB

  • memory/2732-41-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2732-33-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2732-35-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2732-46-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2732-44-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2732-42-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2732-36-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2732-40-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2732-39-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2732-38-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2732-47-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2732-50-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2732-49-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2732-34-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2732-52-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2732-53-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2732-54-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2732-55-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2732-56-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2732-57-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2732-58-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2732-59-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2732-60-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2732-61-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2732-62-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2732-63-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2732-64-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2732-65-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB