Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/10/2024, 08:13

General

  • Target
    tnbws7pyQvMUSjF.exe
  • Size 731KB
  • Sample241007-j4ge5avepr
  • SHA256 03b5cfab3f0ffdf96e415006004be9a0c05e6365e1d5834984cfd5cea9df85fe
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • t18n

Decoy
  • tmusicoregon.net

  • atici.online

  • j7u7.xyz

  • iewunucierwuerwnziqi1.info

  • ruvabetgiris.website

  • acik.lat

  • obsk.top

  • sphaltpaving-ttp1-shd-us-2.shop

  • ispensarynearme.news

  • b3nd.bond

  • urelook.xyz

  • gearlpfbm.top

  • aconstructionjob.bond

  • killsnexis.info

  • oshon.xyz

  • ashabsxw.top

  • ussiatraiding.buzz

  • raipsehumus.homes

  • 6ae23rx.forum

  • edar88vvip.shop

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).

  • System Location Discovery: System Language Discovery 1 TTPs 4 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 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:3548
    • C:\Users\Admin\AppData\Local\Temp\tnbws7pyQvMUSjF.exe
      "C:\Users\Admin\AppData\Local\Temp\tnbws7pyQvMUSjF.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4764
      • 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\tnbws7pyQvMUSjF.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3336
      • C:\Users\Admin\AppData\Local\Temp\tnbws7pyQvMUSjF.exe
        "C:\Users\Admin\AppData\Local\Temp\tnbws7pyQvMUSjF.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3892
    • C:\Windows\SysWOW64\wscript.exe
      "C:\Windows\SysWOW64\wscript.exe"
      2⤵
      • 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:4204
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\tnbws7pyQvMUSjF.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:764

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        __PSScriptPolicyTest_mfmkbafe.3re.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mfmkbafe.3re.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        memory/3336-55-0x00000000070B0000-0x00000000070CA000-memory.dmp

        memory/3336-57-0x0000000007330000-0x00000000073C6000-memory.dmp

        memory/3336-68-0x0000000074CA0000-0x0000000075450000-memory.dmp

        memory/3336-64-0x00000000073D0000-0x00000000073D8000-memory.dmp

        memory/3336-63-0x00000000073F0000-0x000000000740A000-memory.dmp

        memory/3336-62-0x00000000072F0000-0x0000000007304000-memory.dmp

        memory/3336-36-0x0000000005950000-0x0000000005CA4000-memory.dmp

        memory/3336-58-0x00000000072B0000-0x00000000072C1000-memory.dmp

        memory/3336-37-0x0000000005D80000-0x0000000005D9E000-memory.dmp

        memory/3336-56-0x0000000007120000-0x000000000712A000-memory.dmp

        memory/3336-54-0x00000000076F0000-0x0000000007D6A000-memory.dmp

        memory/3336-53-0x0000000006D90000-0x0000000006E33000-memory.dmp

        memory/3336-51-0x0000000002530000-0x0000000002540000-memory.dmp

        memory/3336-52-0x0000000006330000-0x000000000634E000-memory.dmp

        memory/3336-41-0x0000000070AC0000-0x0000000070B0C000-memory.dmp

        memory/3336-23-0x0000000002530000-0x0000000002540000-memory.dmp

        memory/3336-40-0x0000000006D50000-0x0000000006D82000-memory.dmp

        memory/3336-21-0x0000000074CA0000-0x0000000075450000-memory.dmp

        memory/3336-20-0x0000000004F10000-0x0000000005538000-memory.dmp

        memory/3336-19-0x0000000002470000-0x00000000024A6000-memory.dmp

        memory/3336-18-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

        memory/3336-39-0x000000007F2B0000-0x000000007F2C0000-memory.dmp

        memory/3336-33-0x0000000005760000-0x0000000005782000-memory.dmp

        memory/3336-34-0x0000000005870000-0x00000000058D6000-memory.dmp

        memory/3336-38-0x0000000005E20000-0x0000000005E6C000-memory.dmp

        memory/3336-61-0x00000000072E0000-0x00000000072EE000-memory.dmp

        memory/3336-35-0x00000000058E0000-0x0000000005946000-memory.dmp

        memory/3548-69-0x00000000087D0000-0x0000000008932000-memory.dmp

        memory/3548-73-0x0000000008940000-0x0000000008A97000-memory.dmp

        memory/3548-22-0x00000000087D0000-0x0000000008932000-memory.dmp

        memory/3892-11-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/3892-14-0x0000000000EF0000-0x000000000123A000-memory.dmp

        memory/3892-16-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/3892-17-0x0000000000DC0000-0x0000000000DD4000-memory.dmp

        memory/4204-60-0x0000000000AB0000-0x0000000000AD7000-memory.dmp

        memory/4204-67-0x0000000000F20000-0x0000000000F4F000-memory.dmp

        memory/4204-59-0x0000000000AB0000-0x0000000000AD7000-memory.dmp

        memory/4764-0-0x0000000074C2E000-0x0000000074C2F000-memory.dmp

        memory/4764-13-0x0000000074C20000-0x00000000753D0000-memory.dmp

        memory/4764-10-0x000000000B3D0000-0x000000000B46C000-memory.dmp

        memory/4764-2-0x0000000005AC0000-0x0000000006064000-memory.dmp

        memory/4764-7-0x0000000074C2E000-0x0000000074C2F000-memory.dmp

        memory/4764-6-0x0000000005620000-0x000000000563E000-memory.dmp

        memory/4764-5-0x0000000074C20000-0x00000000753D0000-memory.dmp

        memory/4764-4-0x00000000054C0000-0x00000000054CA000-memory.dmp

        memory/4764-3-0x0000000005510000-0x00000000055A2000-memory.dmp

        memory/4764-9-0x0000000004F80000-0x0000000004FF6000-memory.dmp

        memory/4764-8-0x0000000074C20000-0x00000000753D0000-memory.dmp

        memory/4764-1-0x0000000000B40000-0x0000000000BFC000-memory.dmp