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
    09/10/2026, 19:52

General

  • Target
    jaffacakes118_Trojan-Dropper.Win32.Small.cm.exe
  • Size 35KB
  • Sample261009-ylvmcsszev
  • SHA256 dd8e32027a21e1bf0fde17a40e8acea610b3db0ed2d29036394f1d94273390f9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • UPX packed file 8 IoCs

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

  • Drops file in Windows directory 4 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 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 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Small.cm.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Small.cm.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3904
    • C:\Windows\system.exe
      C:\Windows\system.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • 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 SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5960
      • C:\Windows\SysWOW64\svchosts.exe
        svchosts.exe -p3388
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4480
      • C:\Windows\SysWOW64\svchostc.exe
        svchostc.exe -p4488
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5164

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        svchostc.exe

        • Path C:\Windows\SysWOW64\svchostc.exe
        • Size 12KB
        • SHA256 06c7eb4b66f63fe5e5e94925f83f8eb53c739136642df45586a1de49c60425a1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        svchosts.exe

        • Path C:\Windows\SysWOW64\svchosts.exe
        • Size 17KB
        • SHA256 be4288fb7caa14c8b90689adaf47196e43de412ec3714aa38c3f9ca6dec6f36e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msin32.dll

        • Path C:\Windows\msin32.dll
        • Size 3KB
        • SHA256 96ed4791508a770f22452186367269267b51a348b6c76743957ccecc7ac2b285
        • MD5 SHA1 SHA512 TLSH

        sysini.ini

        • Path C:\Windows\sysini.ini
        • Size 42B
        • SHA256 95edd82a58e7338cbfc267f71614f48ef7a2434f5f635e8d622f5de1a5a0f6f3
        • MD5 SHA1 SHA512

        system.exe

        • Path C:\Windows\system.exe
        • Size 13KB
        • SHA256 d9df3a90776d61776de7c5dadcca4cb8596671c9ebe334e614071a82adda30bd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3904-0-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/3904-9-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/4480-16-0x0000000000400000-0x0000000000412000-memory.dmp

        memory/4480-20-0x0000000000400000-0x0000000000412000-memory.dmp

        memory/5164-18-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/5164-22-0x0000000000400000-0x000000000040D000-memory.dmp