Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/09/2026, 08:41

General

  • Target
    jaffacakes118__8576fe7148a85cfc61c62134f0dfe586.exe
  • Size 391KB
  • Sample260919-klwyjaycla
  • SHA256 79c280160a330dd65a6e8b06c7416c97b97b3ee41668432f2090d4e299c61adc
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • UPX packed file 3 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118__8576fe7148a85cfc61c62134f0dfe586.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118__8576fe7148a85cfc61c62134f0dfe586.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    PID:2832
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2832 -s 1932
      2⤵
      • Program crash
      PID:1532
  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118__8576fe7148a85cfc61c62134f0dfe586.exe
    C:\Users\Admin\AppData\Local\Temp\jaffacakes118__8576fe7148a85cfc61c62134f0dfe586.exe
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    PID:7972
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 2832 -ip 2832
    1⤵
      PID:3356

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/2832-0-0x0000000000400000-0x0000000000463000-memory.dmp

          memory/2832-1-0x0000000000459000-0x000000000045A000-memory.dmp

          memory/2832-2-0x00000000021E0000-0x00000000021E1000-memory.dmp

          memory/2832-3-0x0000000000400000-0x0000000000463000-memory.dmp

          memory/2832-6-0x0000000000400000-0x000000000043A000-memory.dmp

          memory/2832-7-0x0000000000400000-0x000000000043A000-memory.dmp

          memory/2832-6926-0x0000000000400000-0x0000000000463000-memory.dmp

          memory/2832-8749-0x0000000000400000-0x0000000000463000-memory.dmp

          memory/2832-113758-0x0000000000400000-0x000000000043A000-memory.dmp

          memory/2832-113763-0x0000000000400000-0x000000000043A000-memory.dmp

          memory/7972-4249-0x0000000000400000-0x0000000000463000-memory.dmp

          memory/7972-4324-0x0000000000400000-0x000000000043A000-memory.dmp