Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/09/2026, 07:31

General

  • Target
    jaffacakes118_28d6ec21bde8e68b9242f713d3b96d0e79ffc55633bb89432cb5588a4738912e.exe
  • Size 228KB
  • Sample260924-jccymavy3m
  • SHA256 28d6ec21bde8e68b9242f713d3b96d0e79ffc55633bb89432cb5588a4738912e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visibility of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Badlisted process makes network request 1 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates connected drives 3 TTPs 8 IoCs

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

  • Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 5 IoCs
  • 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 6 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
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_28d6ec21bde8e68b9242f713d3b96d0e79ffc55633bb89432cb5588a4738912e.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_28d6ec21bde8e68b9242f713d3b96d0e79ffc55633bb89432cb5588a4738912e.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4436
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s C:\Windows\System32\skqcn.dll
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:5868
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32 skqc3.dll , InstallMyDll
      2⤵
      • Badlisted process makes network request
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:5052
    • C:\Windows\SysWOW64\svtchq.exe
      C:\Windows\system32\svtchq.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visibility of hidden/system files in Explorer
      • Executes dropped EXE
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3808
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s C:\Windows\System32\ghjik.dll
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:1664
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c 375O540.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:1832

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        375O540.bat

        • Path C:\Users\Admin\AppData\Local\Temp\375O540.bat
        • Size 2KB
        • SHA256 1c75f7202bfabd63e8721de949933d90edbbc84dbcf1cfa85c51842a19acf407
        • MD5 SHA1 SHA512 TLSH

        ghjik.dll

        • Path C:\Windows\SysWOW64\ghjik.dll
        • Size 28KB
        • SHA256 b309903b0d7ca72a1a2baa58cffbcc6c3c4c988228b7572c7a2ba32d01d34769
        • MD5 SHA1 SHA512 SSDEEP TLSH

        skqc3.dll

        • Path C:\Windows\SysWOW64\skqc3.dll
        • Size 68KB
        • SHA256 d166c1213cf6ebdd3eac56445c47f4b898abdfe99e20366626911012aee8e651
        • MD5 SHA1 SHA512 SSDEEP TLSH

        skqcn.dll

        • Path C:\Windows\SysWOW64\skqcn.dll
        • Size 28KB
        • SHA256 0b77a20e9083bd83d946692484d16ddc765edc2dedad8377021e5c3d3c148c94
        • MD5 SHA1 SHA512 SSDEEP TLSH

        svtchq.exe

        • Path C:\Windows\SysWOW64\svtchq.exe
        • Size 72KB
        • SHA256 67d288766de0b7c9dfcbb310534374e458452286cce969fe5d6b8ea43a4d30d4
        • MD5 SHA1 SHA512 SSDEEP TLSH