Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/04/2024, 12:44

General

  • Target
    8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe
  • Size 672KB
  • Sample240417-pyf53ahb21
  • SHA256 8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • fs83

Decoy
  • blastol.space

  • tomwalkerisfalco.com

  • us-sumatrraslimbellytonic.com

  • drywallandpaintingservice.com

  • vntapp.net

  • passportpages.site

  • at-mim.com

  • yeondagoods.com

  • teomanyildirim.com

  • paygame.site

  • senze.art

  • alhandco.com

  • 9831bsej.xyz

  • traumatic.xyz

  • sos-soutien.com

  • thetechnolgy.live

  • washing-machine-46612.bond

  • marvsneakers.com

  • shequbaike.net

  • xc4f35fg4h35fg4h53.top

Signatures

  • Formbook

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

  • Formbook payload 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 58 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3444
    • C:\Users\Admin\AppData\Local\Temp\8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe
      "C:\Users\Admin\AppData\Local\Temp\8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3696
      • 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\8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2712
      • 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
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1516
    • C:\Windows\SysWOW64\cmstp.exe
      "C:\Windows\SysWOW64\cmstp.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1832
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
          PID:3648

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          __PSScriptPolicyTest_5rbwccyj.seg.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5rbwccyj.seg.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          memory/1516-11-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/1516-21-0x0000000000DB0000-0x0000000000DC4000-memory.dmp

          memory/1516-20-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/1516-17-0x0000000001250000-0x000000000159A000-memory.dmp

          memory/1832-71-0x0000000002DE0000-0x0000000002E73000-memory.dmp

          memory/1832-69-0x00000000010D0000-0x00000000010FF000-memory.dmp

          memory/1832-59-0x0000000002F70000-0x00000000032BA000-memory.dmp

          memory/1832-55-0x00000000010D0000-0x00000000010FF000-memory.dmp

          memory/1832-54-0x0000000000AC0000-0x0000000000AD6000-memory.dmp

          memory/1832-53-0x0000000000AC0000-0x0000000000AD6000-memory.dmp

          memory/2712-36-0x0000000006600000-0x000000000661E000-memory.dmp

          memory/2712-61-0x0000000007B10000-0x0000000007B21000-memory.dmp

          memory/2712-68-0x00000000751A0000-0x0000000075950000-memory.dmp

          memory/2712-15-0x00000000751A0000-0x0000000075950000-memory.dmp

          memory/2712-16-0x0000000005300000-0x0000000005310000-memory.dmp

          memory/2712-65-0x0000000007C30000-0x0000000007C38000-memory.dmp

          memory/2712-18-0x0000000005940000-0x0000000005F68000-memory.dmp

          memory/2712-64-0x0000000007C50000-0x0000000007C6A000-memory.dmp

          memory/2712-63-0x0000000007B50000-0x0000000007B64000-memory.dmp

          memory/2712-22-0x0000000005510000-0x0000000005532000-memory.dmp

          memory/2712-62-0x0000000007B40000-0x0000000007B4E000-memory.dmp

          memory/2712-13-0x0000000002CF0000-0x0000000002D26000-memory.dmp

          memory/2712-24-0x00000000058B0000-0x0000000005916000-memory.dmp

          memory/2712-30-0x0000000005FE0000-0x0000000006046000-memory.dmp

          memory/2712-35-0x0000000006050000-0x00000000063A4000-memory.dmp

          memory/2712-60-0x0000000007B90000-0x0000000007C26000-memory.dmp

          memory/2712-37-0x0000000006640000-0x000000000668C000-memory.dmp

          memory/2712-38-0x0000000005300000-0x0000000005310000-memory.dmp

          memory/2712-39-0x000000007F270000-0x000000007F280000-memory.dmp

          memory/2712-40-0x00000000075D0000-0x0000000007602000-memory.dmp

          memory/2712-41-0x0000000071060000-0x00000000710AC000-memory.dmp

          memory/2712-51-0x0000000006BA0000-0x0000000006BBE000-memory.dmp

          memory/2712-52-0x0000000007810000-0x00000000078B3000-memory.dmp

          memory/2712-58-0x0000000007980000-0x000000000798A000-memory.dmp

          memory/2712-57-0x0000000007910000-0x000000000792A000-memory.dmp

          memory/2712-56-0x0000000007F60000-0x00000000085DA000-memory.dmp

          memory/3444-23-0x00000000087F0000-0x000000000895D000-memory.dmp

          memory/3444-79-0x0000000008960000-0x0000000008ADC000-memory.dmp

          memory/3444-76-0x0000000008960000-0x0000000008ADC000-memory.dmp

          memory/3444-75-0x0000000008960000-0x0000000008ADC000-memory.dmp

          memory/3696-9-0x000000000BAE0000-0x000000000BB56000-memory.dmp

          memory/3696-7-0x0000000005270000-0x0000000005278000-memory.dmp

          memory/3696-0-0x00000000751A0000-0x0000000075950000-memory.dmp

          memory/3696-8-0x0000000005300000-0x000000000530C000-memory.dmp

          memory/3696-4-0x0000000005010000-0x0000000005020000-memory.dmp

          memory/3696-10-0x000000000F170000-0x000000000F20C000-memory.dmp

          memory/3696-14-0x00000000751A0000-0x0000000075950000-memory.dmp

          memory/3696-2-0x0000000005650000-0x0000000005BF4000-memory.dmp

          memory/3696-1-0x0000000000540000-0x00000000005EA000-memory.dmp

          memory/3696-3-0x00000000050A0000-0x0000000005132000-memory.dmp

          memory/3696-6-0x0000000005250000-0x000000000526C000-memory.dmp

          memory/3696-5-0x0000000004FE0000-0x0000000004FEA000-memory.dmp