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Analysis

  • max time kernel
    36s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/09/2024, 20:14

General

  • Target

    d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe

  • Size

    285KB

  • MD5

    d05fb610df9c9fdbaff6a83ba87d1a02

  • SHA1

    0faa815fe32b741485a5606b098196bc38a0cdd4

  • SHA256

    ec3d2b696e963ba862eddefb725ab08e3e980023c0d7c524615ee8533ba46d70

  • SHA512

    6b415f43e5f1730d6e0cfed10109e96755a12f92b8c3a72c4a2afb2ca4d82f5fb0ca719f974f5a4cf6370543004c442b7678db9ed27b97020283f7189998a6fd

  • SSDEEP

    6144:Flb6SDOiIN4o2cOMayarS0IjX7n6wXmzbBFX:F0Siiu2cOMayaZerXXmhFX

Malware Config

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 6 IoCs

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

  • Adds Run key to start application 2 TTPs 3 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.

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3012
    • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcsc.exe
      "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcsc.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2668
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcsc.exe

    Filesize

    285KB

    MD5

    d05fb610df9c9fdbaff6a83ba87d1a02

    SHA1

    0faa815fe32b741485a5606b098196bc38a0cdd4

    SHA256

    ec3d2b696e963ba862eddefb725ab08e3e980023c0d7c524615ee8533ba46d70

    SHA512

    6b415f43e5f1730d6e0cfed10109e96755a12f92b8c3a72c4a2afb2ca4d82f5fb0ca719f974f5a4cf6370543004c442b7678db9ed27b97020283f7189998a6fd

  • memory/2668-13-0x0000000000400000-0x00000000004C9000-memory.dmp

    Filesize

    804KB

  • memory/2668-18-0x0000000000400000-0x00000000004C9000-memory.dmp

    Filesize

    804KB

  • memory/2688-16-0x0000000000400000-0x00000000004C9000-memory.dmp

    Filesize

    804KB

  • memory/3012-0-0x0000000000400000-0x00000000004C9000-memory.dmp

    Filesize

    804KB

  • memory/3012-1-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/3012-11-0x0000000004DF0000-0x0000000004EB9000-memory.dmp

    Filesize

    804KB

  • memory/3012-14-0x0000000000400000-0x00000000004C9000-memory.dmp

    Filesize

    804KB