Analysis

  • max time kernel
    149s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/09/2026, 10:46

General

  • Target
    jaffacakes118_faabad3082a69bb19a4cc3431d17cc04b048581e1430f652b3783689f5b916c0.exe
  • Size 374KB
  • Sample260930-mtx7nsda62
  • SHA256 faabad3082a69bb19a4cc3431d17cc04b048581e1430f652b3783689f5b916c0
  • 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_faabad3082a69bb19a4cc3431d17cc04b048581e1430f652b3783689f5b916c0.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_faabad3082a69bb19a4cc3431d17cc04b048581e1430f652b3783689f5b916c0.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:3416
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe msiehj32.dll,sOUEYX
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:4664
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3416 -s 636
      2⤵
      • Program crash
      PID:5096
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3416 -ip 3416
    1⤵
      PID:684

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          msiehj32.dll

          • Path C:\Windows\SysWOW64\msiehj32.dll
          • Size 171KB
          • SHA256 346a22a97b7b6290d7f3be3675024e84a2fb2e7b39cbbc3c21e02bf797f01b75
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/3416-0-0x00000000006E0000-0x000000000073A000-memory.dmp

          memory/3416-2-0x0000000002830000-0x00000000028B6000-memory.dmp

          memory/3416-1-0x0000000002830000-0x00000000028B6000-memory.dmp

          memory/3416-7-0x0000000002830000-0x00000000028B6000-memory.dmp

          memory/3416-8-0x00000000006E0000-0x000000000073A000-memory.dmp

          memory/4664-6-0x0000000010000000-0x0000000010086000-memory.dmp

          memory/4664-10-0x0000000010000000-0x0000000010086000-memory.dmp

          memory/4664-15-0x0000000010000000-0x0000000010086000-memory.dmp