Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/08/2026, 14:28

General

  • Target
    c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9.exe
  • Size 1.0MB
  • Sample260810-rtfpvabk7z
  • SHA256 c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Formbook

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

  • Formbook payload 4 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Executes dropped EXE 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • SmartAssembly .NET packer 1 IoCs

    Detects SmartAssembly .NET packer.

  • Suspicious use of SetThreadContext 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 34 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • outlook_office_path 1 IoCs

Processes

  • C:\Windows\explorer.exe
    explorer.exe /LOADSAVEDWINDOWS
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:3116
    • C:\Users\Admin\AppData\Local\Temp\c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9.exe
      "C:\Users\Admin\AppData\Local\Temp\c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3252
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4740
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        PID:2824
  • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\bto1gezlwpk.ps1"
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1088
    • C:\Users\Admin\AppData\Roaming\ATvzKXOf.exe
      "C:\Users\Admin\AppData\Roaming\ATvzKXOf.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1800
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ATvzKXOf.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4836
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1392
  • C:\Windows\SysWOW64\ctfmon.exe
    "C:\Windows\SysWOW64\ctfmon.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    PID:3068
    • C:\Program Files\Mozilla Firefox\Firefox.exe
      "C:\Program Files\Mozilla Firefox\Firefox.exe"
      2⤵
        PID:3444

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 21KB
          • SHA256 1e55186dd8c475a3c15627fadd89e9f174a08c98df3632a157b7fd7624fe9fa9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_oz5oq4jd.2zp.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_oz5oq4jd.2zp.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          bto1gezlwpk.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\bto1gezlwpk.ps1
          • Size 1KB
          • SHA256 8bef54163d584c9286ae5651c47e5aa64b6124abb7e643fb909ca2113ec531f4
          • MD5 SHA1 SHA512 TLSH

          ATvzKXOf.exe

          • Path C:\Users\Admin\AppData\Roaming\ATvzKXOf.exe
          • Size 1.0MB
          • SHA256 c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1088-30-0x0000022231930000-0x0000022231952000-memory.dmp

          memory/2824-23-0x0000000001680000-0x00000000019F4000-memory.dmp

          memory/2824-34-0x00000000012A0000-0x00000000012E7000-memory.dmp

          memory/2824-19-0x0000000000400000-0x0000000000447000-memory.dmp

          memory/2824-18-0x00000000012A0000-0x00000000012E7000-memory.dmp

          memory/2824-51-0x00000000012A0000-0x00000000012E7000-memory.dmp

          memory/2824-52-0x00000000012A0000-0x00000000012E7000-memory.dmp

          memory/3068-50-0x0000000000660000-0x00000000006A4000-memory.dmp

          memory/3068-53-0x0000000000660000-0x00000000006A4000-memory.dmp

          memory/3116-54-0x00000000032E0000-0x00000000033EE000-memory.dmp

          memory/3252-2-0x0000000005DE0000-0x000000000639A000-memory.dmp

          memory/3252-27-0x0000000074370000-0x0000000074B2C000-memory.dmp

          memory/3252-10-0x0000000006DA0000-0x0000000006E82000-memory.dmp

          memory/3252-9-0x0000000074370000-0x0000000074B2C000-memory.dmp

          memory/3252-8-0x0000000074382000-0x0000000074383000-memory.dmp

          memory/3252-7-0x0000000005A40000-0x0000000005A50000-memory.dmp

          memory/3252-6-0x0000000005A90000-0x0000000005B2C000-memory.dmp

          memory/3252-5-0x0000000005870000-0x000000000587A000-memory.dmp

          memory/3252-4-0x0000000074370000-0x0000000074B2C000-memory.dmp

          memory/3252-3-0x00000000058C0000-0x0000000005952000-memory.dmp

          memory/3252-1-0x0000000000C50000-0x0000000000D5A000-memory.dmp

          memory/3252-0-0x0000000074382000-0x0000000074383000-memory.dmp

          memory/3444-61-0x0000022ACB740000-0x0000022ACB83C000-memory.dmp

          memory/4740-20-0x0000000005840000-0x0000000005862000-memory.dmp

          memory/4740-28-0x0000000006600000-0x000000000661E000-memory.dmp

          memory/4740-29-0x00000000066D0000-0x000000000671C000-memory.dmp

          memory/4740-37-0x00000000077E0000-0x0000000007816000-memory.dmp

          memory/4740-38-0x0000000074C30000-0x0000000074C7C000-memory.dmp

          memory/4740-24-0x0000000006130000-0x000000000648B000-memory.dmp

          memory/4740-41-0x0000000006BF0000-0x0000000006C10000-memory.dmp

          memory/4740-42-0x0000000007830000-0x00000000078D3000-memory.dmp

          memory/4740-43-0x0000000007FD0000-0x000000000864C000-memory.dmp

          memory/4740-44-0x0000000007990000-0x00000000079AA000-memory.dmp

          memory/4740-45-0x0000000007A00000-0x0000000007A0A000-memory.dmp

          memory/4740-46-0x0000000007C00000-0x0000000007C96000-memory.dmp

          memory/4740-21-0x0000000006030000-0x0000000006096000-memory.dmp

          memory/4740-49-0x0000000074370000-0x0000000074B2C000-memory.dmp

          memory/4740-22-0x00000000060A0000-0x0000000006106000-memory.dmp

          memory/4740-17-0x0000000074370000-0x0000000074B2C000-memory.dmp

          memory/4740-15-0x0000000074370000-0x0000000074B2C000-memory.dmp

          memory/4740-13-0x0000000074370000-0x0000000074B2C000-memory.dmp

          memory/4740-14-0x00000000059E0000-0x000000000602A000-memory.dmp

          memory/4740-12-0x0000000002DF0000-0x0000000002E26000-memory.dmp

          memory/4836-65-0x00000000060E0000-0x000000000643B000-memory.dmp

          memory/4836-67-0x0000000006A50000-0x0000000006A9C000-memory.dmp

          memory/4836-68-0x0000000070910000-0x000000007095C000-memory.dmp

          memory/4836-71-0x0000000007750000-0x00000000077F3000-memory.dmp