Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/09/2024, 09:00

General

  • Target
    Scan 00089877676.pdf.scr
  • Size 691KB
  • Sample240905-kyej1swhml
  • SHA256 4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • m49z

Decoy
  • ormswarm.xyz

  • awn-care-63587.bond

  • uymetanail5.online

  • mergencyloan007.xyz

  • 545.top

  • eiliao596.pro

  • ackersandmoverschennai.net

  • ehdiahmadvandmusicbest.click

  • tlgxmb2024.cloud

  • ulfcoastharborhopper.pro

  • rohns-disease-early-signs.today

  • oldenhorizonsbgcl.click

  • weetindulgencepro.xyz

  • yexoiup.xyz

  • yself-solar.net

  • kfirsatimla.online

  • bropub3.online

  • ouljourney.online

  • usvf76f.shop

  • onnaberich.online

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.

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3476
    • C:\Users\Admin\AppData\Local\Temp\Scan 00089877676.pdf.scr
      "C:\Users\Admin\AppData\Local\Temp\Scan 00089877676.pdf.scr" /S
      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:1920
      • 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\Scan 00089877676.pdf.scr"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2368
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
          PID:412
        • 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:2700
      • C:\Windows\SysWOW64\NETSTAT.EXE
        "C:\Windows\SysWOW64\NETSTAT.EXE"
        2⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Gathers network information
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:396
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          PID:4956

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          __PSScriptPolicyTest_234dcix3.fwu.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_234dcix3.fwu.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          memory/396-66-0x0000000000810000-0x000000000081B000-memory.dmp

          memory/396-67-0x0000000000810000-0x000000000081B000-memory.dmp

          memory/396-68-0x0000000001290000-0x00000000012BF000-memory.dmp

          memory/1920-8-0x0000000074FDE000-0x0000000074FDF000-memory.dmp

          memory/1920-6-0x0000000005470000-0x000000000550C000-memory.dmp

          memory/1920-5-0x0000000074FD0000-0x0000000075780000-memory.dmp

          memory/1920-7-0x0000000005530000-0x0000000005548000-memory.dmp

          memory/1920-4-0x0000000005370000-0x000000000537A000-memory.dmp

          memory/1920-9-0x0000000074FD0000-0x0000000075780000-memory.dmp

          memory/1920-10-0x0000000006750000-0x00000000067C6000-memory.dmp

          memory/1920-3-0x00000000051E0000-0x0000000005272000-memory.dmp

          memory/1920-13-0x0000000074FD0000-0x0000000075780000-memory.dmp

          memory/1920-2-0x00000000056F0000-0x0000000005C94000-memory.dmp

          memory/1920-1-0x00000000008B0000-0x0000000000960000-memory.dmp

          memory/1920-0-0x0000000074FDE000-0x0000000074FDF000-memory.dmp

          memory/2368-20-0x0000000005AE0000-0x0000000005B46000-memory.dmp

          memory/2368-52-0x0000000007310000-0x000000000732E000-memory.dmp

          memory/2368-15-0x000000007505E000-0x000000007505F000-memory.dmp

          memory/2368-65-0x0000000075050000-0x0000000075800000-memory.dmp

          memory/2368-26-0x0000000004E70000-0x0000000004E80000-memory.dmp

          memory/2368-62-0x00000000079A0000-0x00000000079A8000-memory.dmp

          memory/2368-18-0x00000000054B0000-0x0000000005AD8000-memory.dmp

          memory/2368-21-0x0000000005C00000-0x0000000005C66000-memory.dmp

          memory/2368-17-0x0000000004DB0000-0x0000000004DE6000-memory.dmp

          memory/2368-22-0x0000000075050000-0x0000000075800000-memory.dmp

          memory/2368-36-0x0000000005E70000-0x00000000061C4000-memory.dmp

          memory/2368-37-0x0000000006350000-0x000000000636E000-memory.dmp

          memory/2368-38-0x00000000063A0000-0x00000000063EC000-memory.dmp

          memory/2368-39-0x000000007F440000-0x000000007F450000-memory.dmp

          memory/2368-40-0x0000000006920000-0x0000000006952000-memory.dmp

          memory/2368-41-0x0000000070E70000-0x0000000070EBC000-memory.dmp

          memory/2368-53-0x0000000007340000-0x00000000073E3000-memory.dmp

          memory/2368-19-0x0000000005290000-0x00000000052B2000-memory.dmp

          memory/2368-47-0x0000000004E70000-0x0000000004E80000-memory.dmp

          memory/2368-55-0x0000000007680000-0x000000000769A000-memory.dmp

          memory/2368-54-0x0000000007CC0000-0x000000000833A000-memory.dmp

          memory/2368-56-0x00000000076F0000-0x00000000076FA000-memory.dmp

          memory/2368-57-0x0000000007900000-0x0000000007996000-memory.dmp

          memory/2368-58-0x0000000007880000-0x0000000007891000-memory.dmp

          memory/2368-59-0x00000000078B0000-0x00000000078BE000-memory.dmp

          memory/2368-60-0x00000000078C0000-0x00000000078D4000-memory.dmp

          memory/2368-61-0x00000000079C0000-0x00000000079DA000-memory.dmp

          memory/2700-23-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/2700-24-0x0000000001AD0000-0x0000000001AE4000-memory.dmp

          memory/2700-14-0x00000000015F0000-0x000000000193A000-memory.dmp

          memory/2700-11-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/3476-25-0x00000000085E0000-0x000000000876E000-memory.dmp

          memory/3476-72-0x0000000002570000-0x0000000002636000-memory.dmp