Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/09/2024, 02:40

General

  • Target
    c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe
  • Size 698KB
  • Sample240903-c5t92swene
  • SHA256 c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • m49z

Decoy
  • ormswarm.xyz

  • awn-care-63587.bond

  • uymetanail5.online

  • mergencyloan007.xyz

  • 545.top

  • eiliao596.pro

  • ackersandmoverschennai.net

  • ehdiahmadvandmusicbest.click

  • tlgxmb2024.cloud

  • ulfcoastharborhopper.pro

  • rohns-disease-early-signs.today

  • oldenhorizonsbgcl.click

  • weetindulgencepro.xyz

  • yexoiup.xyz

  • yself-solar.net

  • kfirsatimla.online

  • bropub3.online

  • ouljourney.online

  • usvf76f.shop

  • onnaberich.online

Signatures

  • Formbook

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

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

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 4 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.

  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    PID:3256
    • C:\Users\Admin\AppData\Local\Temp\c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe
      "C:\Users\Admin\AppData\Local\Temp\c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4824
      • 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\c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4556
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
          PID:1648
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          3⤵
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2916
          • C:\Windows\SysWOW64\wscript.exe
            "C:\Windows\SysWOW64\wscript.exe"
            4⤵
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2000
            • C:\Windows\SysWOW64\cmd.exe
              /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:5020

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          __PSScriptPolicyTest_dcvxj2f1.nfx.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dcvxj2f1.nfx.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          memory/2000-71-0x0000000000940000-0x0000000000967000-memory.dmp

          memory/2000-70-0x0000000000940000-0x0000000000967000-memory.dmp

          memory/2000-72-0x0000000000390000-0x00000000003BF000-memory.dmp

          memory/2916-66-0x0000000003560000-0x0000000003574000-memory.dmp

          memory/2916-67-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/2916-11-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/2916-17-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/2916-18-0x0000000001380000-0x0000000001394000-memory.dmp

          memory/2916-14-0x00000000017E0000-0x0000000001B2A000-memory.dmp

          memory/3256-73-0x000000000ABC0000-0x000000000ACFC000-memory.dmp

          memory/3256-20-0x0000000008810000-0x0000000008906000-memory.dmp

          memory/3256-69-0x000000000ABC0000-0x000000000ACFC000-memory.dmp

          memory/3256-68-0x0000000008810000-0x0000000008906000-memory.dmp

          memory/3256-76-0x000000000AD00000-0x000000000AE57000-memory.dmp

          memory/4556-32-0x0000000005E90000-0x00000000061E4000-memory.dmp

          memory/4556-53-0x0000000007670000-0x0000000007713000-memory.dmp

          memory/4556-19-0x00000000751EE000-0x00000000751EF000-memory.dmp

          memory/4556-22-0x0000000002B20000-0x0000000002B30000-memory.dmp

          memory/4556-16-0x0000000002B70000-0x0000000002BA6000-memory.dmp

          memory/4556-62-0x0000000007AB0000-0x0000000007AB8000-memory.dmp

          memory/4556-23-0x0000000005610000-0x0000000005C38000-memory.dmp

          memory/4556-31-0x0000000005E20000-0x0000000005E86000-memory.dmp

          memory/4556-61-0x0000000007AD0000-0x0000000007AEA000-memory.dmp

          memory/4556-25-0x0000000005DB0000-0x0000000005E16000-memory.dmp

          memory/4556-24-0x00000000055D0000-0x00000000055F2000-memory.dmp

          memory/4556-60-0x00000000079D0000-0x00000000079E4000-memory.dmp

          memory/4556-37-0x0000000006470000-0x000000000648E000-memory.dmp

          memory/4556-38-0x00000000064A0000-0x00000000064EC000-memory.dmp

          memory/4556-39-0x000000007F7B0000-0x000000007F7C0000-memory.dmp

          memory/4556-40-0x0000000007430000-0x0000000007462000-memory.dmp

          memory/4556-41-0x0000000071000000-0x000000007104C000-memory.dmp

          memory/4556-42-0x0000000002B20000-0x0000000002B30000-memory.dmp

          memory/4556-52-0x0000000006A30000-0x0000000006A4E000-memory.dmp

          memory/4556-21-0x0000000002B20000-0x0000000002B30000-memory.dmp

          memory/4556-54-0x0000000007DE0000-0x000000000845A000-memory.dmp

          memory/4556-55-0x0000000007790000-0x00000000077AA000-memory.dmp

          memory/4556-56-0x0000000007810000-0x000000000781A000-memory.dmp

          memory/4556-57-0x0000000007A10000-0x0000000007AA6000-memory.dmp

          memory/4556-58-0x0000000007990000-0x00000000079A1000-memory.dmp

          memory/4556-59-0x00000000079C0000-0x00000000079CE000-memory.dmp

          memory/4824-0-0x000000007516E000-0x000000007516F000-memory.dmp

          memory/4824-10-0x00000000060A0000-0x000000000613C000-memory.dmp

          memory/4824-13-0x0000000075160000-0x0000000075910000-memory.dmp

          memory/4824-9-0x0000000005E20000-0x0000000005E96000-memory.dmp

          memory/4824-8-0x0000000075160000-0x0000000075910000-memory.dmp

          memory/4824-7-0x000000007516E000-0x000000007516F000-memory.dmp

          memory/4824-6-0x0000000007910000-0x0000000007928000-memory.dmp

          memory/4824-5-0x0000000075160000-0x0000000075910000-memory.dmp

          memory/4824-4-0x0000000004C60000-0x0000000004C6A000-memory.dmp

          memory/4824-3-0x0000000004BC0000-0x0000000004C52000-memory.dmp

          memory/4824-2-0x0000000005270000-0x0000000005814000-memory.dmp

          memory/4824-1-0x0000000000120000-0x00000000001D0000-memory.dmp