Analysis

  • max time kernel
    151s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-06-2024 19:14

General

  • Target

    131da82ef6d07117f53b510d30868284_JaffaCakes118.exe

  • Size

    787KB

  • MD5

    131da82ef6d07117f53b510d30868284

  • SHA1

    369931664189b626bd77b3af71b2c808effb8b0a

  • SHA256

    99156da53e622418cbd84c7de2dd8dc49d9068bc8cb227b1ba7f6d47667d1e09

  • SHA512

    d959b283a2f077e50a66d019e13a600c3ed6b5f927fbd84d8db8542109c1aa0f22957ae4d3be934cac6448b0a14dee6129a64937e049a732ec8afd7634562999

  • SSDEEP

    12288:1ERH1F+Wig3LxzA2AijRTTpXsLioEwN7vblTs13Q0oK2KmO5VMzXuD43lpUD7y:uRH6WZdVAqfsLiGN7bGdadOmmqlO/y

Malware Config

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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
  • Modifies registry class 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\131da82ef6d07117f53b510d30868284_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\131da82ef6d07117f53b510d30868284_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\Users\Admin\AppData\Local\Temp\131da82ef6d07117f53b510d30868284_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\131da82ef6d07117f53b510d30868284_JaffaCakes118.exe
      2⤵
      • Modifies WinLogon for persistence
      • Checks BIOS information in registry
      • Checks computer location settings
      • Adds Run key to start application
      • Checks processor information in registry
      • Enumerates system info in registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4016
      • C:\Users\Admin\AppData\Roaming\GoogleUpdater\GoogleUpdater.exe
        "C:\Users\Admin\AppData\Roaming\GoogleUpdater\GoogleUpdater.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:556
        • C:\Users\Admin\AppData\Roaming\GoogleUpdater\GoogleUpdater.exe
          C:\Users\Admin\AppData\Roaming\GoogleUpdater\GoogleUpdater.exe
          4⤵
          • Modifies security service
          • Windows security bypass
          • Checks BIOS information in registry
          • Executes dropped EXE
          • Windows security modification
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1828
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_dcsc_.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2628
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 2
          4⤵
          • Runs ping.exe
          PID:1504
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4256 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4300

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\_dcsc_.bat

      Filesize

      119B

      MD5

      edb2ec773e95951ab9a67bbf9ddca873

      SHA1

      0a01b0e8687717ff2694c6a9509ad00db7c7c066

      SHA256

      c9d727ed176425740dee2ea0a05f02795011dbe291ed87f0861f318c1b54b9e0

      SHA512

      0702519f37522e0666ba754baabaf2015ccdbb65b335d7d5a1a6e3d98bf927916c6e818bf63efbd5b7ac0116d0b255f1e8f95671c9c55519ff8813d69d58f052

    • C:\Users\Admin\AppData\Roaming\GoogleUpdater\GoogleUpdater.exe

      Filesize

      787KB

      MD5

      131da82ef6d07117f53b510d30868284

      SHA1

      369931664189b626bd77b3af71b2c808effb8b0a

      SHA256

      99156da53e622418cbd84c7de2dd8dc49d9068bc8cb227b1ba7f6d47667d1e09

      SHA512

      d959b283a2f077e50a66d019e13a600c3ed6b5f927fbd84d8db8542109c1aa0f22957ae4d3be934cac6448b0a14dee6129a64937e049a732ec8afd7634562999

    • memory/556-51-0x0000000000400000-0x00000000004CE000-memory.dmp

      Filesize

      824KB

    • memory/1828-65-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/1828-66-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/1828-59-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/1828-57-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/1828-73-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/1828-72-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/1828-71-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/1828-70-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/1828-69-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/1828-53-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/1828-54-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/1828-55-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/1828-58-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/1828-60-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/1828-68-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/1828-74-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/1828-67-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/1828-61-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/1828-62-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/1828-63-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/1828-64-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/1828-56-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/2748-2-0x0000000000400000-0x00000000004CE000-memory.dmp

      Filesize

      824KB

    • memory/4016-4-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/4016-5-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/4016-1-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/4016-0-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/4016-45-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/4016-34-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/4016-3-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/4016-6-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB