Analysis

  • max time kernel
    148s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    25/09/2026, 05:01

General

  • Target
    jaffacakes118_40879cded6a1cb32857844509af934521936650a5e1176805cec9649d4fb7611.exe
  • Size 1.2MB
  • Sample260925-fnwnbszerb
  • SHA256 40879cded6a1cb32857844509af934521936650a5e1176805cec9649d4fb7611
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 1 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 3 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies Internet Explorer settings 1 TTPs 44 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Modifies registry class 5 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 38 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_40879cded6a1cb32857844509af934521936650a5e1176805cec9649d4fb7611.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_40879cded6a1cb32857844509af934521936650a5e1176805cec9649d4fb7611.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Modifies Internet Explorer start page
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1148
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ping 127.0.0.1 -n 3&del /q "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_40879cded6a1cb32857844509af934521936650a5e1176805cec9649d4fb7611.exe"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:900
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 3
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:5744
  • C:\WINDOWS\system32\ctfmon.exe
    C:\WINDOWS\system32\ctfmon.exe
    1⤵
      PID:5348

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          aut541E.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\aut541E.tmp
          • Size 221B
          • SHA256 e7694360bb8a18f7ed1484b34e8185ba91765bb9e9221f99e768a426e96900c0
          • MD5 SHA1 SHA512 TLSH

          斗蟹游戏网.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\斗蟹游戏网.lnk
          • Size 2KB
          • SHA256 7ed4f30973047312fca3997d9489177f008bde7e7e435ad1d5ec9aa92468a342
          • MD5 SHA1 SHA512 TLSH

          memory/1148-0-0x0000000000400000-0x00000000004A5000-memory.dmp