Analysis

  • max time kernel
    148s
  • max time network
    129s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/09/2026, 10:33

General

  • Target
    jaffacakes118_dfaa8726cd522e91611544c661efca4efaa3d913e9b131e6deb89b4c9302845f.exe
  • Size 378KB
  • Sample260930-ml2vwsxxcx
  • SHA256 dfaa8726cd522e91611544c661efca4efaa3d913e9b131e6deb89b4c9302845f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • UPX packed file 4 IoCs

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

  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_dfaa8726cd522e91611544c661efca4efaa3d913e9b131e6deb89b4c9302845f.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_dfaa8726cd522e91611544c661efca4efaa3d913e9b131e6deb89b4c9302845f.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1384
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe msipnb32.dll,ERfOlq
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:3112
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1384 -s 752
      2⤵
      • Program crash
      PID:3308
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 228 -p 1384 -ip 1384
    1⤵
      PID:2320

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          msipnb32.dll

          • Path C:\Windows\SysWOW64\msipnb32.dll
          • Size 175KB
          • SHA256 fbe7b0a60750ddb0e3e119ec9f387bb1fe521e45a6bf918e8ebe4f1e6748c3c4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1384-0-0x00000000020E0000-0x000000000213A000-memory.dmp

          memory/1384-2-0x00000000029A0000-0x0000000002A28000-memory.dmp

          memory/1384-1-0x00000000029A0000-0x0000000002A28000-memory.dmp

          memory/1384-4-0x00000000029A0000-0x0000000002A28000-memory.dmp

          memory/1384-8-0x00000000020E0000-0x000000000213A000-memory.dmp

          memory/3112-7-0x0000000010000000-0x0000000010088000-memory.dmp

          memory/3112-9-0x0000000010000000-0x0000000010088000-memory.dmp

          memory/3112-22-0x0000000010000000-0x0000000010088000-memory.dmp