Analysis

  • max time kernel
    149s
  • max time network
    138s
  • 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, 04:37

General

  • Target
    invoice_30_09_26pdf.exe
  • Size 905KB
  • Sample260930-e818wasxes
  • SHA256 fd9ed11f3b7d5a684e86ae9c4bc8525229f6b7702793fe709893f9e1c72522ec
  • 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
  • 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 7 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\invoice_30_09_26pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\invoice_30_09_26pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2140
    • C:\Users\Admin\AppData\Local\Temp\invoice_30_09_26pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\invoice_30_09_26pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:4788

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/2140-0-0x0000000000740000-0x0000000000826000-memory.dmp

        memory/2140-1-0x0000000005860000-0x0000000005E04000-memory.dmp

        memory/2140-2-0x00000000051B0000-0x0000000005242000-memory.dmp

        memory/2140-3-0x0000000005350000-0x0000000005360000-memory.dmp

        memory/2140-4-0x0000000005270000-0x000000000527A000-memory.dmp

        memory/2140-5-0x0000000005470000-0x0000000005486000-memory.dmp

        memory/2140-6-0x0000000005350000-0x0000000005360000-memory.dmp

        memory/2140-8-0x0000000006740000-0x00000000067CA000-memory.dmp

        memory/2140-7-0x00000000067E0000-0x000000000687C000-memory.dmp

        memory/2140-9-0x0000000007280000-0x00000000077AC000-memory.dmp

        memory/2140-10-0x00000000077B0000-0x0000000007C7C000-memory.dmp

        memory/4788-13-0x0000000001430000-0x0000000001476000-memory.dmp

        memory/4788-11-0x0000000000400000-0x0000000000446000-memory.dmp

        memory/4788-14-0x00000000019B0000-0x0000000001CFA000-memory.dmp

        memory/4788-15-0x0000000001430000-0x0000000001476000-memory.dmp

        memory/4788-16-0x0000000001430000-0x0000000001476000-memory.dmp