Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/09/2026, 11:12

General

  • Target
    3b4f11720f68122a60341a52db3d25e0e43e3286f65d288b676be34f46823e47.exe
  • Size 961KB
  • Sample260910-na2lesbm3t
  • SHA256 3b4f11720f68122a60341a52db3d25e0e43e3286f65d288b676be34f46823e47
  • 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
  • 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\3b4f11720f68122a60341a52db3d25e0e43e3286f65d288b676be34f46823e47.exe
    "C:\Users\Admin\AppData\Local\Temp\3b4f11720f68122a60341a52db3d25e0e43e3286f65d288b676be34f46823e47.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1468
    • C:\Users\Admin\AppData\Local\Temp\3b4f11720f68122a60341a52db3d25e0e43e3286f65d288b676be34f46823e47.exe
      "C:\Users\Admin\AppData\Local\Temp\3b4f11720f68122a60341a52db3d25e0e43e3286f65d288b676be34f46823e47.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2860
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2860 -s 228
        3⤵
        • Program crash
        PID:236
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2860 -ip 2860
    1⤵
      PID:548

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1468-8-0x0000000074720000-0x0000000074EDC000-memory.dmp

          memory/1468-10-0x0000000074732000-0x0000000074733000-memory.dmp

          memory/1468-2-0x0000000005DB0000-0x000000000636A000-memory.dmp

          memory/1468-3-0x00000000057F0000-0x0000000005882000-memory.dmp

          memory/1468-4-0x0000000006370000-0x00000000066CB000-memory.dmp

          memory/1468-5-0x0000000005720000-0x0000000005742000-memory.dmp

          memory/1468-6-0x00000000057C0000-0x00000000057CA000-memory.dmp

          memory/1468-7-0x0000000005930000-0x00000000059CC000-memory.dmp

          memory/1468-1-0x0000000000C50000-0x0000000000D46000-memory.dmp

          memory/1468-0-0x0000000074732000-0x0000000074733000-memory.dmp

          memory/1468-9-0x0000000005A10000-0x0000000005A22000-memory.dmp

          memory/1468-11-0x0000000074720000-0x0000000074EDC000-memory.dmp

          memory/1468-12-0x0000000008310000-0x00000000083F6000-memory.dmp

          memory/1468-15-0x0000000074720000-0x0000000074EDC000-memory.dmp

          memory/2860-14-0x00000000013A0000-0x00000000013E6000-memory.dmp

          memory/2860-13-0x0000000000400000-0x0000000000446000-memory.dmp

          memory/2860-16-0x0000000001770000-0x0000000001AE4000-memory.dmp

          memory/2860-17-0x00000000013A0000-0x00000000013E6000-memory.dmp