Overview

overview

7

Static

static

5

jaffacakes...ic.exe

windows10-2004-x64

7

jaffacakes...ic.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    94s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    14/10/2026, 04:30

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General

  • Target
    jaffacakes118_not-a-virus.HEUR.AdWare.Win32.Generic.exe
  • Size 103KB
  • Sample261014-e444zayvb1
  • SHA256 0b58426003ac13e4c89cb4d58dca2b4df03fc742e4c273c3d1f35d343617ed85
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
adwarediscoveryexecutionpersistenceprivilege_escalationstealerupx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    persistenceprivilege_escalation
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 6 IoCs

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

    stealeradware
  • Drops file in System32 directory 4 IoCs
  • UPX packed file 9 IoCs

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

    upx
  • Drops file in Program Files 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 2 IoCs

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

    execution
  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

    discovery
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_not-a-virus.HEUR.AdWare.Win32.Generic.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_not-a-virus.HEUR.AdWare.Win32.Generic.exe"
    1⤵
    • Checks computer location settings
    • Creates a file in the Startup directory
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4820
    • C:\Windows\SysWOW64\Regsvr32.exe
      Regsvr32.exe /s "C:\Windows\system32\wybho.dll"
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:4420
    • C:\Windows\SysWOW64\Regsvr32.exe
      Regsvr32.exe /s "C:\Windows\system32\Thunder.dll"
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:2628
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\123.bat" "
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:1808
  • C:\PROGRA~2\INTERN~1\jaffacakes118_not-a-virus.HEUR.AdWare.Win32.Generic.exe
    C:\PROGRA~2\INTERN~1\JAFFAC~1.EXE
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4008
    • C:\Windows\SysWOW64\Regsvr32.exe
      Regsvr32.exe /s "C:\Windows\system32\wybho.dll"
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:3312
    • C:\Windows\SysWOW64\Regsvr32.exe
      Regsvr32.exe /s "C:\Windows\system32\Thunder.dll"
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:3304
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\123.bat" "
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:2920

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        jaffacakes118_not-a-virus.HEUR.AdWare.Win32.Generic.exe
        • Path C:\Program Files (x86)\Internet Explorer\jaffacakes118_not-a-virus.HEUR.AdWare.Win32.Generic.exe
        • Size 103KB
        • SHA256 0b58426003ac13e4c89cb4d58dca2b4df03fc742e4c273c3d1f35d343617ed85
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        123.bat
        • Path C:\Users\Admin\AppData\Local\Temp\123.bat
        • Size 266B
        • SHA256 d0ae72cdbe83b69acbfce12b6bf14643e3485e084088cf022e96abc1fc65ef68
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        123.bat
        • Path C:\Users\Admin\AppData\Local\Temp\123.bat
        • Size 292B
        • SHA256 5c998ec424cf6d397bd95040d00f093f23585968fed5b6306c5aa4f306a10872
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        TM.lnk
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\TM.lnk
        • Size 1KB
        • SHA256 038cea612b243955d0a9af074f2ce51b65f6f23a39aab78906c4208871327a76
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        Firefox.lnk
        • Path C:\Users\Public\Desktop\Firefox.lnk
        • Size 1KB
        • SHA256 152b76dd9b00e870f4d9b822eefa1c64fa236c7bab8f4b77397bee3e5ca1ef5f
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        Internet Explorer.lnk
        • Path C:\Users\Public\Desktop\Internet Explorer.lnk
        • Size 1KB
        • SHA256 0ebf14230d54cee036a415e3c2b15e40e5e4d4e444c2e4ace11d062edfd2eceb
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        Thunder.dll
        • Path C:\Windows\SysWOW64\Thunder.dll
        • Size 32KB
        • SHA256 8ee9315f1224b6a7086a31608e00f1101c2e7cba91d5e7344a78e8f69f8a6a80
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        wybho.dll
        • Path C:\Windows\SysWOW64\wybho.dll
        • Size 75KB
        • SHA256 6edfb3b25f828e40f3b1db45dd9b628a1658043dec0b2dc115c6ac5eb1ed453a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4008-42-0x0000000000400000-0x0000000000418000-memory.dmp
        Download

        memory/4008-51-0x0000000000400000-0x0000000000418000-memory.dmp
        Download

        memory/4420-8-0x0000000010030000-0x0000000010031000-memory.dmp
        Download

        memory/4420-7-0x0000000010000000-0x0000000010032000-memory.dmp
        Download

        memory/4820-30-0x0000000000400000-0x0000000000418000-memory.dmp
        Download

        memory/4820-29-0x0000000000400000-0x0000000000418000-memory.dmp
        Download

        memory/4820-18-0x0000000000400000-0x0000000000418000-memory.dmp
        Download

        memory/4820-0-0x0000000000400000-0x0000000000418000-memory.dmp
        Download