Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/09/2024, 14:53

General

  • Target
    nmGdVmAxebb5aEP.exe
  • Size 729KB
  • Sample240910-r9cccszhpf
  • SHA256 64a9613231cf8cca0624c38a480986b8ee7726390aeb3c662698fd9e156315ef
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • sx01

Decoy
  • r-salessolutions.xyz

  • jdh1.info

  • olar-panel-jobs-93084.bond

  • aebrasil.shop

  • oshua-xaaaa.buzz

  • xzkm.shop

  • nitedviplumbing.net

  • nnevateknoloji.xyz

  • rg-a.biz

  • indow-replacement-34091.bond

  • uyersagent3percent.net

  • ostbag.net

  • ibosolv.net

  • ahve.today

  • ophotshotjobs.today

  • emoreez.art

  • ift-chairs-94905.bond

  • okerdom-e.best

  • stagr.fun

  • irtyf-ingrancher.info

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 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:3492
    • C:\Users\Admin\AppData\Local\Temp\nmGdVmAxebb5aEP.exe
      "C:\Users\Admin\AppData\Local\Temp\nmGdVmAxebb5aEP.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3724
      • 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\nmGdVmAxebb5aEP.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1924
      • C:\Users\Admin\AppData\Local\Temp\nmGdVmAxebb5aEP.exe
        "C:\Users\Admin\AppData\Local\Temp\nmGdVmAxebb5aEP.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2928
    • C:\Windows\SysWOW64\cmstp.exe
      "C:\Windows\SysWOW64\cmstp.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:3136
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\nmGdVmAxebb5aEP.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1976

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        __PSScriptPolicyTest_yh0cspnm.tiy.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yh0cspnm.tiy.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        memory/1924-55-0x0000000007430000-0x0000000007AAA000-memory.dmp

        memory/1924-53-0x0000000006050000-0x000000000606E000-memory.dmp

        memory/1924-65-0x00000000070B0000-0x00000000070B8000-memory.dmp

        memory/1924-64-0x00000000070D0000-0x00000000070EA000-memory.dmp

        memory/1924-63-0x0000000006FD0000-0x0000000006FE4000-memory.dmp

        memory/1924-62-0x0000000006FC0000-0x0000000006FCE000-memory.dmp

        memory/1924-59-0x0000000006F90000-0x0000000006FA1000-memory.dmp

        memory/1924-58-0x0000000007010000-0x00000000070A6000-memory.dmp

        memory/1924-57-0x0000000006E00000-0x0000000006E0A000-memory.dmp

        memory/1924-26-0x0000000005450000-0x00000000054B6000-memory.dmp

        memory/1924-56-0x0000000006130000-0x000000000614A000-memory.dmp

        memory/1924-54-0x0000000006D00000-0x0000000006DA3000-memory.dmp

        memory/1924-25-0x0000000004D70000-0x0000000004DD6000-memory.dmp

        memory/1924-38-0x0000000005B00000-0x0000000005B4C000-memory.dmp

        memory/1924-18-0x0000000000CD0000-0x0000000000D06000-memory.dmp

        memory/1924-22-0x0000000000D80000-0x0000000000D90000-memory.dmp

        memory/1924-21-0x0000000000D80000-0x0000000000D90000-memory.dmp

        memory/1924-42-0x0000000000D80000-0x0000000000D90000-memory.dmp

        memory/1924-19-0x0000000074EDE000-0x0000000074EDF000-memory.dmp

        memory/1924-48-0x0000000000D80000-0x0000000000D90000-memory.dmp

        memory/1924-23-0x0000000004E20000-0x0000000005448000-memory.dmp

        memory/1924-24-0x0000000004BD0000-0x0000000004BF2000-memory.dmp

        memory/1924-41-0x0000000070CF0000-0x0000000070D3C000-memory.dmp

        memory/1924-40-0x0000000006070000-0x00000000060A2000-memory.dmp

        memory/1924-39-0x000000007F330000-0x000000007F340000-memory.dmp

        memory/1924-36-0x00000000054C0000-0x0000000005814000-memory.dmp

        memory/1924-37-0x0000000005A70000-0x0000000005A8E000-memory.dmp

        memory/2928-14-0x0000000001270000-0x00000000015BA000-memory.dmp

        memory/2928-11-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/2928-16-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/2928-17-0x0000000001000000-0x0000000001015000-memory.dmp

        memory/3136-60-0x0000000000B10000-0x0000000000B26000-memory.dmp

        memory/3136-68-0x0000000000D50000-0x0000000000D7F000-memory.dmp

        memory/3136-61-0x0000000000B10000-0x0000000000B26000-memory.dmp

        memory/3492-72-0x00000000084A0000-0x00000000085BC000-memory.dmp

        memory/3492-20-0x0000000007FE0000-0x000000000812E000-memory.dmp

        memory/3724-8-0x0000000074E50000-0x0000000075600000-memory.dmp

        memory/3724-9-0x0000000006390000-0x0000000006406000-memory.dmp

        memory/3724-10-0x0000000008E10000-0x0000000008EAC000-memory.dmp

        memory/3724-7-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

        memory/3724-1-0x00000000003F0000-0x00000000004AC000-memory.dmp

        memory/3724-0-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

        memory/3724-6-0x0000000005400000-0x0000000005410000-memory.dmp

        memory/3724-4-0x0000000074E50000-0x0000000075600000-memory.dmp

        memory/3724-5-0x0000000004EE0000-0x0000000004EEA000-memory.dmp

        memory/3724-3-0x0000000004F10000-0x0000000004FA2000-memory.dmp

        memory/3724-13-0x0000000074E50000-0x0000000075600000-memory.dmp

        memory/3724-2-0x0000000005420000-0x00000000059C4000-memory.dmp