Analysis

  • max time kernel
    149s
  • max time network
    92s
  • platform
    windows11-21h2_x64
  • resource
    win11-20251231-en
  • resource tags

    arch:x64arch:x86image:win11-20251231-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    20/01/2026, 07:27

General

  • Target
    TOI CHALLENGER PARTICULARSpdf.scr.exe
  • Size 950KB
  • Sample260120-jadr5scy2d
  • SHA256 44ece3fd771b241e7adb7b8a46317aa0dce39aa4b815912805de4dc6ff631ae4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Formbook family
  • Formbook payload 2 IoCs
  • SmartAssembly .NET packer 1 IoCs

    Detects SmartAssembly .NET packer.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TOI CHALLENGER PARTICULARSpdf.scr.exe
    "C:\Users\Admin\AppData\Local\Temp\TOI CHALLENGER PARTICULARSpdf.scr.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4880
    • C:\Users\Admin\AppData\Local\Temp\TOI CHALLENGER PARTICULARSpdf.scr.exe
      "C:\Users\Admin\AppData\Local\Temp\TOI CHALLENGER PARTICULARSpdf.scr.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:5016

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4880-0-0x00000000006B0000-0x00000000007A4000-memory.dmp

        memory/4880-1-0x00000000057A0000-0x0000000005D46000-memory.dmp

        memory/4880-2-0x0000000005290000-0x0000000005322000-memory.dmp

        memory/4880-3-0x0000000005260000-0x0000000005270000-memory.dmp

        memory/4880-4-0x0000000005250000-0x000000000525A000-memory.dmp

        memory/4880-5-0x00000000068F0000-0x0000000006912000-memory.dmp

        memory/4880-6-0x00000000068C0000-0x00000000068DE000-memory.dmp

        memory/4880-7-0x0000000007210000-0x0000000007226000-memory.dmp

        memory/4880-8-0x0000000005260000-0x0000000005270000-memory.dmp

        memory/4880-9-0x0000000005260000-0x0000000005270000-memory.dmp

        memory/4880-10-0x0000000007240000-0x000000000731C000-memory.dmp

        memory/4880-11-0x00000000073C0000-0x000000000745C000-memory.dmp

        memory/5016-12-0x0000000000400000-0x0000000000446000-memory.dmp

        memory/5016-14-0x0000000000400000-0x0000000000446000-memory.dmp

        memory/5016-15-0x0000000001320000-0x0000000001676000-memory.dmp

        memory/5016-16-0x0000000000400000-0x0000000000446000-memory.dmp

        memory/5016-17-0x0000000000400000-0x0000000000446000-memory.dmp