Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 8 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
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 46 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:2196
    • 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
      • Loads dropped DLL
      • Adds Run key to start application
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2068
      • C:\Users\Admin\AppData\Roaming\GoogleUpdater\GoogleUpdater.exe
        "C:\Users\Admin\AppData\Roaming\GoogleUpdater\GoogleUpdater.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2568
        • 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
          • Loads dropped DLL
          • 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:2788
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\_dcsc_.bat" "
        3⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:2548
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 2
          4⤵
          • Runs ping.exe
          PID:2556

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/2068-0-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2068-3-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2068-4-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2068-5-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2068-6-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2068-27-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2068-2-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2196-1-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2568-35-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2788-46-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2788-51-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2788-42-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2788-44-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2788-47-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2788-36-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2788-45-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2788-43-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2788-48-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2788-49-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2788-50-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2788-41-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2788-52-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2788-53-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2788-54-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2788-55-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2788-56-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2788-57-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2788-58-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2788-59-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2788-60-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2788-61-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB