Analysis

  • max time kernel
    148s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/07/2024, 16:44

General

  • Target
    Potvrda.exe
  • Size 1.0MB
  • Sample240711-t86wpaxfpg
  • SHA256 909903adda36dcfc103a5260990c7ca1f47b4644672f2d94446c7e6e86f25a35
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • dn03

Decoy
  • almouranipainting.com

  • cataloguia.shop

  • zaparielectric.com

  • whcqsc.com

  • ioco.in

  • aduredmond.com

  • vavada611a.fun

  • humtivers.com

  • jewellerytml.com

  • mcapitalparticipacoes.com

  • inhlcq.shop

  • solanamall.xyz

  • moviepropgroup.com

  • thegenesis.ltd

  • cyberxdefend.com

  • skinbykoco.com

  • entermintlead.com

  • honestaireviews.com

  • wyclhj7gqfustzp.buzz

  • w937xb.com

Signatures

  • Formbook

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

  • Formbook payload 3 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 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3428
    • C:\Users\Admin\AppData\Local\Temp\Potvrda.exe
      "C:\Users\Admin\AppData\Local\Temp\Potvrda.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4600
      • 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\Potvrda.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4568
      • 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:5092
    • C:\Windows\SysWOW64\WWAHost.exe
      "C:\Windows\SysWOW64\WWAHost.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:856
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
          PID:4972

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          __PSScriptPolicyTest_24tq21wc.an1.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_24tq21wc.an1.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          memory/856-68-0x0000000001290000-0x00000000012BF000-memory.dmp

          memory/856-63-0x0000000000390000-0x000000000046C000-memory.dmp

          memory/856-61-0x0000000000390000-0x000000000046C000-memory.dmp

          memory/3428-19-0x0000000002A20000-0x0000000002AD8000-memory.dmp

          memory/3428-72-0x0000000002C90000-0x0000000002D8A000-memory.dmp

          memory/3428-70-0x0000000002A20000-0x0000000002AD8000-memory.dmp

          memory/4568-55-0x0000000007480000-0x000000000749A000-memory.dmp

          memory/4568-57-0x0000000007700000-0x0000000007796000-memory.dmp

          memory/4568-65-0x00000000077A0000-0x00000000077A8000-memory.dmp

          memory/4568-64-0x00000000077C0000-0x00000000077DA000-memory.dmp

          memory/4568-60-0x00000000076C0000-0x00000000076D4000-memory.dmp

          memory/4568-59-0x00000000076B0000-0x00000000076BE000-memory.dmp

          memory/4568-15-0x0000000004B80000-0x0000000004BB6000-memory.dmp

          memory/4568-20-0x0000000004D00000-0x0000000004D10000-memory.dmp

          memory/4568-21-0x0000000004D00000-0x0000000004D10000-memory.dmp

          memory/4568-58-0x0000000007680000-0x0000000007691000-memory.dmp

          memory/4568-22-0x0000000005340000-0x0000000005968000-memory.dmp

          memory/4568-56-0x00000000074F0000-0x00000000074FA000-memory.dmp

          memory/4568-54-0x0000000007AC0000-0x000000000813A000-memory.dmp

          memory/4568-18-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

          memory/4568-23-0x0000000005070000-0x0000000005092000-memory.dmp

          memory/4568-25-0x0000000005970000-0x00000000059D6000-memory.dmp

          memory/4568-24-0x0000000005210000-0x0000000005276000-memory.dmp

          memory/4568-53-0x0000000007340000-0x00000000073E3000-memory.dmp

          memory/4568-35-0x0000000005B10000-0x0000000005E64000-memory.dmp

          memory/4568-36-0x0000000006150000-0x000000000616E000-memory.dmp

          memory/4568-37-0x0000000006200000-0x000000000624C000-memory.dmp

          memory/4568-38-0x000000007F3A0000-0x000000007F3B0000-memory.dmp

          memory/4568-39-0x0000000006720000-0x0000000006752000-memory.dmp

          memory/4568-40-0x0000000070A00000-0x0000000070A4C000-memory.dmp

          memory/4568-52-0x0000000004D00000-0x0000000004D10000-memory.dmp

          memory/4568-51-0x0000000004D00000-0x0000000004D10000-memory.dmp

          memory/4568-50-0x0000000006760000-0x000000000677E000-memory.dmp

          memory/4600-9-0x0000000009100000-0x000000000919C000-memory.dmp

          memory/4600-7-0x0000000008FA0000-0x0000000008FAE000-memory.dmp

          memory/4600-0-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

          memory/4600-6-0x0000000007EC0000-0x0000000007ED0000-memory.dmp

          memory/4600-8-0x0000000008FC0000-0x0000000009036000-memory.dmp

          memory/4600-1-0x0000000000ED0000-0x0000000000FDC000-memory.dmp

          memory/4600-2-0x00000000083E0000-0x0000000008984000-memory.dmp

          memory/4600-12-0x0000000074B60000-0x0000000075310000-memory.dmp

          memory/4600-5-0x0000000074B60000-0x0000000075310000-memory.dmp

          memory/4600-4-0x00000000032B0000-0x00000000032BA000-memory.dmp

          memory/4600-3-0x0000000007ED0000-0x0000000007F62000-memory.dmp

          memory/5092-16-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/5092-10-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/5092-13-0x0000000001010000-0x000000000135A000-memory.dmp

          memory/5092-17-0x0000000001420000-0x0000000001434000-memory.dmp