Analysis

  • max time kernel
    149s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    09/10/2026, 16:17

General

  • Target
    jaffacakes118_HEUR.Backdoor.MSIL.DarkKomet.gen.exe
  • Size 122KB
  • Sample261009-trc72scc97
  • SHA256 ffcab750867f649a0017390bae0bed8788bcb97b6284f90bbf16ba3bec661e49
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • UPX packed file 3 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Backdoor.MSIL.DarkKomet.gen.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Backdoor.MSIL.DarkKomet.gen.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4484
    • C:\Users\Admin\AppData\Local\Temp\file1.exe
      C:\Users\Admin\AppData\Local\Temp\\file1.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4452

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        file1.exe

        • Path C:\Users\Admin\AppData\Local\Temp\file1.exe
        • Size 42KB
        • SHA256 53b6eb4d04fb3da3eaa024ee5a21a3929a8901a165fcfe251eee2441009f8bf6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4452-28-0x0000000000400000-0x0000000000420155-memory.dmp

        memory/4452-26-0x0000000000400000-0x0000000000420155-memory.dmp

        memory/4484-8-0x00007FFA22400000-0x00007FFA22DA1000-memory.dmp

        memory/4484-10-0x00007FFA22400000-0x00007FFA22DA1000-memory.dmp

        memory/4484-5-0x000000001C5D0000-0x000000001C66C000-memory.dmp

        memory/4484-7-0x000000001C6E0000-0x000000001C72C000-memory.dmp

        memory/4484-6-0x000000001BA70000-0x000000001BA78000-memory.dmp

        memory/4484-0-0x00007FFA226B5000-0x00007FFA226B6000-memory.dmp

        memory/4484-9-0x00007FFA22400000-0x00007FFA22DA1000-memory.dmp

        memory/4484-4-0x00007FFA22400000-0x00007FFA22DA1000-memory.dmp

        memory/4484-11-0x00007FFA22400000-0x00007FFA22DA1000-memory.dmp

        memory/4484-12-0x00007FFA22400000-0x00007FFA22DA1000-memory.dmp

        memory/4484-3-0x000000001C060000-0x000000001C52E000-memory.dmp

        memory/4484-20-0x00007FFA22400000-0x00007FFA22DA1000-memory.dmp

        memory/4484-25-0x00007FFA22400000-0x00007FFA22DA1000-memory.dmp

        memory/4484-2-0x00007FFA22400000-0x00007FFA22DA1000-memory.dmp

        memory/4484-1-0x00000000014C0000-0x0000000001566000-memory.dmp