Analysis

  • max time kernel
    148s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/10/2026, 15:23

General

  • Target
    jaffacakes118_Trojan-Dropper.Win32.Agent.bjromq.exe
  • Size 38KB
  • Sample261006-ssftwsfd48
  • SHA256 3e96d42eaa9d21ccbbb570bfc72c0e2bda0597ea7c2f9772fdf61644934f387e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Modifies Windows Firewall 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 2 IoCs

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

  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Executes a command shell one-liner 1 TTPs 4 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

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

  • Modifies registry class 64 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Agent.bjromq.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Agent.bjromq.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:6056
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\C2AF.tmp\sc.bat" "
      2⤵
      • Drops file in Windows directory
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5772
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32 C:\Windows\SYSTEM\svchost.dll /s-
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        PID:1652
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run" /v sw1 /t REG_SZ /d C:\Windows\SYSTEM\servíces /f
        3⤵
        • Adds policy Run key to start application
        • System Location Discovery: System Language Discovery
        PID:5112
      • C:\Windows\SYSTEM\servíces.exe
        C:\Windows\SYSTEM\servíces.exe
        3⤵
        • Adds policy Run key to start application
        • Executes dropped EXE
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • NTFS ADS
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:5892
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c regsvr32/s %SYSTEMROOT%\SYSTEM\svchost.dll
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:5620
          • C:\Windows\SysWOW64\regsvr32.exe
            regsvr32 /s C:\Windows\SYSTEM\svchost.dll
            5⤵
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            • Modifies registry class
            PID:2636
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c netsh firewall add portopening protocol=TCP port=21 name="RPC (TCP/21)" mode=ENABLE scope=ALL
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4304
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add portopening protocol=TCP port=21 name="RPC (TCP/21)" mode=ENABLE scope=ALL
            5⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:2532
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c netsh firewall add allowedprogram program="C:\Windows\system\serv¡ces.exe" name="Service" scope=ALL
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1192
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add allowedprogram program="C:\Windows\system\serv¡ces.exe" name="Service" scope=ALL
            5⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:2728

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        isa

        • Path C:\Users\Admin\AppData\Local\Temp\C2AF.tmp\isa
        • Size 28KB
        • SHA256 78ca880145faefe5c7cacbcc6fa8fed3dc53bd28d7e7266e45e9cbe324dec35c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        isa0

        • Path C:\Users\Admin\AppData\Local\Temp\C2AF.tmp\isa0
        • Size 40KB
        • SHA256 46e34ad58fe4ef4e68a75f94561b0ed5ef1c731acb729b5efa119c633be4ae03
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sc.bat

        • Path C:\Users\Admin\AppData\Local\Temp\C2AF.tmp\sc.bat
        • Size 310B
        • SHA256 3d205b665283b40eaf3e8257d525cb2c0202e82135af5339e968dc74f4d76fbb
        • MD5 SHA1 SHA512 TLSH

        memory/6056-0-0x0000000000400000-0x0000000000424000-memory.dmp

        memory/6056-20-0x0000000000400000-0x0000000000424000-memory.dmp