Analysis

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

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/08/2024, 07:03

General

  • Target
    PR_Form_20240809_145815.exe
  • Size 633KB
  • Sample240811-hvb9dateja
  • SHA256 33779a75da1af9c5f45112370d3dbd803e86fc7b88bc5a1f43a7b76fc9d887ab
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • sy52

Decoy
  • wxxj.asia

  • emu-oil.online

  • theprogressiontalks.com

  • saigonvape.com

  • cb257.pro

  • inucana.com

  • xn--pdr89n.vip

  • vtc.bzh

  • connexionsink.com

  • mastersofthevibes.com

  • mallsetuae.shop

  • bellaandbling.com

  • wagi88.one

  • 273618.bid

  • japanvietnam-mall.com

  • lkd1t.rest

  • oflgjgiq.xyz

  • calliblography.com

  • idz8u.vip

  • marrybears.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).

  • 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 61 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 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:3468
    • C:\Users\Admin\AppData\Local\Temp\PR_Form_20240809_145815.exe
      "C:\Users\Admin\AppData\Local\Temp\PR_Form_20240809_145815.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:664
      • 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\PR_Form_20240809_145815.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2392
      • C:\Users\Admin\AppData\Local\Temp\PR_Form_20240809_145815.exe
        "C:\Users\Admin\AppData\Local\Temp\PR_Form_20240809_145815.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:4832
    • C:\Windows\SysWOW64\help.exe
      "C:\Windows\SysWOW64\help.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:3780
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\PR_Form_20240809_145815.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4156

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        __PSScriptPolicyTest_teiklhvc.d0q.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_teiklhvc.d0q.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        memory/664-6-0x0000000006E90000-0x0000000006EAA000-memory.dmp

        memory/664-2-0x0000000005E50000-0x00000000063F4000-memory.dmp

        memory/664-3-0x00000000058A0000-0x0000000005932000-memory.dmp

        memory/664-4-0x0000000005850000-0x000000000585A000-memory.dmp

        memory/664-5-0x0000000074C30000-0x00000000753E0000-memory.dmp

        memory/664-0-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

        memory/664-7-0x0000000006B10000-0x0000000006B1E000-memory.dmp

        memory/664-8-0x0000000006B20000-0x0000000006B36000-memory.dmp

        memory/664-9-0x00000000093E0000-0x0000000009456000-memory.dmp

        memory/664-10-0x0000000007EB0000-0x0000000007F4C000-memory.dmp

        memory/664-1-0x0000000000E00000-0x0000000000EA0000-memory.dmp

        memory/664-13-0x0000000074C30000-0x00000000753E0000-memory.dmp

        memory/2392-26-0x00000000061D0000-0x0000000006236000-memory.dmp

        memory/2392-40-0x0000000006DB0000-0x0000000006DE2000-memory.dmp

        memory/2392-17-0x00000000030C0000-0x00000000030D0000-memory.dmp

        memory/2392-18-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

        memory/2392-20-0x0000000005AC0000-0x00000000060E8000-memory.dmp

        memory/2392-62-0x0000000007E30000-0x0000000007E38000-memory.dmp

        memory/2392-61-0x0000000007E50000-0x0000000007E6A000-memory.dmp

        memory/2392-60-0x0000000007D50000-0x0000000007D64000-memory.dmp

        memory/2392-16-0x00000000030C0000-0x00000000030D0000-memory.dmp

        memory/2392-24-0x0000000005730000-0x0000000005752000-memory.dmp

        memory/2392-25-0x0000000006160000-0x00000000061C6000-memory.dmp

        memory/2392-59-0x0000000007D40000-0x0000000007D4E000-memory.dmp

        memory/2392-58-0x0000000007D10000-0x0000000007D21000-memory.dmp

        memory/2392-36-0x0000000006240000-0x0000000006594000-memory.dmp

        memory/2392-37-0x00000000067F0000-0x000000000680E000-memory.dmp

        memory/2392-38-0x0000000006820000-0x000000000686C000-memory.dmp

        memory/2392-39-0x000000007F790000-0x000000007F7A0000-memory.dmp

        memory/2392-14-0x0000000002EB0000-0x0000000002EE6000-memory.dmp

        memory/2392-41-0x0000000070AD0000-0x0000000070B1C000-memory.dmp

        memory/2392-51-0x00000000030C0000-0x00000000030D0000-memory.dmp

        memory/2392-52-0x0000000006D90000-0x0000000006DAE000-memory.dmp

        memory/2392-53-0x00000000077D0000-0x0000000007873000-memory.dmp

        memory/2392-54-0x0000000008160000-0x00000000087DA000-memory.dmp

        memory/2392-55-0x0000000007B10000-0x0000000007B2A000-memory.dmp

        memory/2392-56-0x0000000007B80000-0x0000000007B8A000-memory.dmp

        memory/2392-57-0x0000000007D90000-0x0000000007E26000-memory.dmp

        memory/3468-23-0x0000000008810000-0x000000000899B000-memory.dmp

        memory/3468-69-0x0000000008810000-0x000000000899B000-memory.dmp

        memory/3468-71-0x00000000089A0000-0x0000000008A58000-memory.dmp

        memory/3780-66-0x00000000004A0000-0x00000000004A7000-memory.dmp

        memory/3780-65-0x00000000004A0000-0x00000000004A7000-memory.dmp

        memory/3780-67-0x00000000008F0000-0x000000000091F000-memory.dmp

        memory/4832-11-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/4832-15-0x0000000001410000-0x000000000175A000-memory.dmp

        memory/4832-21-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/4832-22-0x0000000001930000-0x0000000001945000-memory.dmp