Analysis

  • max time kernel
    26s
  • max time network
    140s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/10/2026, 21:36

General

  • Target
    jaffacakes118_Worm.Win32.AutoRun.dtbv.exe
  • Size 632KB
  • Sample261012-1f6hsafw2v
  • SHA256 fc3e5dea36ee2077428afc6697a6c82cadd7193505780380bc0902d2f71ca1e6
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Disables RegEdit via registry modification 2 IoCs
  • Disables Task Manager via registry modification
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • AutoIT Executable 30 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 15 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Worm.Win32.AutoRun.dtbv.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Worm.Win32.AutoRun.dtbv.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Disables RegEdit via registry modification
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5408
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /C AT /delete /yes
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5072
      • C:\Windows\SysWOW64\at.exe
        AT /delete /yes
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4516
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\svchost .exe
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3128
      • C:\Windows\SysWOW64\at.exe
        AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\svchost .exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3236
  • C:\Windows\explorer.exe
    Explorer.exe regsvr.exe
    1⤵
      PID:4608
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4416
      • C:\Windows\regsvr.exe
        "C:\Windows\regsvr.exe"
        2⤵
        • Modifies WinLogon for persistence
        • Disables RegEdit via registry modification
        • Executes dropped EXE
        • Adds Run key to start application
        • Enumerates connected drives
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Reads the TCP/IP host and domain name from the registry
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4660
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /C AT /delete /yes
          3⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2244
          • C:\Windows\SysWOW64\at.exe
            AT /delete /yes
            4⤵
            • System Location Discovery: System Language Discovery
            PID:3700
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\svchost .exe
          3⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:5320
          • C:\Windows\SysWOW64\at.exe
            AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\svchost .exe
            4⤵
            • System Location Discovery: System Language Discovery
            PID:6024

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          80237EE4964FC9C409AAF55BF996A292_FB287BEB63DB9E8D59A799779773B97C

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\80237EE4964FC9C409AAF55BF996A292_FB287BEB63DB9E8D59A799779773B97C
          • Size 471B
          • SHA256 cc505c474f8baab6c1a796c0b2f7f4abef1570d77abd97094990d9adef1d7885
          • MD5 SHA1 SHA512 TLSH

          80237EE4964FC9C409AAF55BF996A292_FB287BEB63DB9E8D59A799779773B97C

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\80237EE4964FC9C409AAF55BF996A292_FB287BEB63DB9E8D59A799779773B97C
          • Size 420B
          • SHA256 c2e2907d1c812fbef77e72c971a0126c164c7408ae5b1d91caf4957a54a33bb5
          • MD5 SHA1 SHA512 TLSH

          setup.ini

          • Path C:\Windows\SysWOW64\setup.ini
          • Size 96B
          • SHA256 69815d4932ddde240ce6b1353305d2fab58ca402e9c478452c8e37ce8a7b2ac9
          • MD5 SHA1 SHA512 TLSH

          regsvr.exe

          • Path C:\Windows\regsvr.exe
          • Size 632KB
          • SHA256 fc3e5dea36ee2077428afc6697a6c82cadd7193505780380bc0902d2f71ca1e6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/4660-41-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/4660-37-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/4660-21-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/4660-49-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/4660-23-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/4660-47-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/4660-25-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/4660-45-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/4660-27-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/4660-43-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/4660-29-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/4660-39-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/4660-31-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/4660-36-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/4660-33-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/5408-34-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/5408-28-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/5408-20-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/5408-32-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/5408-38-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/5408-30-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/5408-40-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/5408-0-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/5408-42-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/5408-35-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/5408-44-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/5408-26-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/5408-46-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/5408-24-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/5408-48-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/5408-22-0x0000000000400000-0x00000000004C3000-memory.dmp

          memory/5408-50-0x0000000000400000-0x00000000004C3000-memory.dmp