Analysis

  • max time kernel
    148s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/10/2026, 16:18

General

  • Target
    c0bf4b3795ac1bd8c9f0874c35308955b48861d6320145a86d8460dcd064f270.exe
  • Size 1.1MB
  • Sample261014-tr7rnafw8w
  • SHA256 c0bf4b3795ac1bd8c9f0874c35308955b48861d6320145a86d8460dcd064f270
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Formbook

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

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

    Detects SmartAssembly .NET packer.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 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 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c0bf4b3795ac1bd8c9f0874c35308955b48861d6320145a86d8460dcd064f270.exe
    "C:\Users\Admin\AppData\Local\Temp\c0bf4b3795ac1bd8c9f0874c35308955b48861d6320145a86d8460dcd064f270.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4392
    • C:\Users\Admin\AppData\Local\Temp\c0bf4b3795ac1bd8c9f0874c35308955b48861d6320145a86d8460dcd064f270.exe
      "C:\Users\Admin\AppData\Local\Temp\c0bf4b3795ac1bd8c9f0874c35308955b48861d6320145a86d8460dcd064f270.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3048
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 228
        3⤵
        • Program crash
        PID:5376
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3048 -ip 3048
    1⤵
      PID:248

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/3048-13-0x0000000000400000-0x0000000000446000-memory.dmp

          memory/3048-17-0x0000000000E30000-0x0000000000E76000-memory.dmp

          memory/3048-16-0x0000000001350000-0x00000000016C4000-memory.dmp

          memory/3048-14-0x0000000000E30000-0x0000000000E76000-memory.dmp

          memory/4392-8-0x00000000747E0000-0x0000000074F9C000-memory.dmp

          memory/4392-11-0x000000000C550000-0x000000000CA7C000-memory.dmp

          memory/4392-6-0x000000000BAB0000-0x000000000BAC6000-memory.dmp

          memory/4392-7-0x00000000747F2000-0x00000000747F3000-memory.dmp

          memory/4392-0-0x00000000747F2000-0x00000000747F3000-memory.dmp

          memory/4392-9-0x000000000BF80000-0x000000000C01C000-memory.dmp

          memory/4392-10-0x000000000BEE0000-0x000000000BF6A000-memory.dmp

          memory/4392-5-0x00000000747E0000-0x0000000074F9C000-memory.dmp

          memory/4392-12-0x000000000CA80000-0x000000000CF4C000-memory.dmp

          memory/4392-4-0x00000000054B0000-0x00000000054BA000-memory.dmp

          memory/4392-3-0x0000000007FA0000-0x0000000008032000-memory.dmp

          memory/4392-15-0x00000000747E0000-0x0000000074F9C000-memory.dmp

          memory/4392-2-0x00000000084C0000-0x0000000008A7A000-memory.dmp

          memory/4392-1-0x0000000000F60000-0x0000000001074000-memory.dmp