Analysis

  • max time kernel
    148s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/03/2025, 12:25

General

  • Target
    dekont.pdf.exe
  • Size 628KB
  • Sample250324-pltwdstkt4
  • SHA256 3fbcec3b7e1d2b8efef9e2ab1be54a55e2252166cd357fc2ee9cb42581851365
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • m13o

Decoy
  • un20250227-23.fun

  • mallelectricarsgb.bond

  • emvmaasbn.pro

  • ewaraja.xyz

  • olar-systems-panels-18238.bond

  • anjau2.cfd

  • ental-implants-58831.bond

  • riferrari.shop

  • ypham-japan.shop

  • imilarityapi.xyz

  • ealthywayzone.online

  • r33bz.online

  • ureformula.shop

  • arlsjrmenu.net

  • ziugsyw.xyz

  • osmetic-packaging-jobs.click

  • uaizhan.xyz

  • 99game.xyz

  • otdrones.shop

  • rettvollmar.shop

Signatures

  • Formbook

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

  • Formbook family
  • Formbook payload 4 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 4 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 58 IoCs
  • Suspicious behavior: MapViewOfSection 6 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:3336
    • C:\Users\Admin\AppData\Local\Temp\dekont.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\dekont.pdf.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:632
      • 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\dekont.pdf.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4728
      • C:\Users\Admin\AppData\Local\Temp\dekont.pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\dekont.pdf.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:4560
    • C:\Windows\SysWOW64\cscript.exe
      "C:\Windows\SysWOW64\cscript.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:1228
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\dekont.pdf.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1256

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        __PSScriptPolicyTest_hgrfnxhh.oku.ps1

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

        memory/632-13-0x00000000745A0000-0x0000000074D50000-memory.dmp

        memory/632-1-0x0000000000690000-0x0000000000734000-memory.dmp

        memory/632-2-0x0000000005690000-0x0000000005C34000-memory.dmp

        memory/632-3-0x0000000005180000-0x0000000005212000-memory.dmp

        memory/632-4-0x0000000005130000-0x000000000513A000-memory.dmp

        memory/632-5-0x00000000745A0000-0x0000000074D50000-memory.dmp

        memory/632-6-0x0000000005640000-0x0000000005658000-memory.dmp

        memory/632-7-0x00000000745AE000-0x00000000745AF000-memory.dmp

        memory/632-8-0x00000000745A0000-0x0000000074D50000-memory.dmp

        memory/632-9-0x0000000006D70000-0x0000000006DE8000-memory.dmp

        memory/632-10-0x0000000009260000-0x00000000092FC000-memory.dmp

        memory/632-0-0x00000000745AE000-0x00000000745AF000-memory.dmp

        memory/1228-72-0x0000000000780000-0x00000000007A7000-memory.dmp

        memory/1228-73-0x0000000000B70000-0x0000000000B9F000-memory.dmp

        memory/1228-71-0x0000000000780000-0x00000000007A7000-memory.dmp

        memory/3336-69-0x0000000008650000-0x0000000008786000-memory.dmp

        memory/3336-78-0x0000000008D20000-0x0000000008EB0000-memory.dmp

        memory/3336-74-0x0000000008BC0000-0x0000000008D17000-memory.dmp

        memory/3336-19-0x0000000008650000-0x0000000008786000-memory.dmp

        memory/3336-70-0x0000000008BC0000-0x0000000008D17000-memory.dmp

        memory/4560-17-0x0000000000E20000-0x0000000000E34000-memory.dmp

        memory/4560-16-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/4560-11-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/4560-14-0x0000000001390000-0x00000000016DA000-memory.dmp

        memory/4560-67-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/4560-68-0x0000000003120000-0x0000000003134000-memory.dmp

        memory/4728-26-0x0000000005F00000-0x0000000005F66000-memory.dmp

        memory/4728-36-0x0000000005F70000-0x00000000062C4000-memory.dmp

        memory/4728-37-0x0000000006520000-0x000000000653E000-memory.dmp

        memory/4728-38-0x00000000065D0000-0x000000000661C000-memory.dmp

        memory/4728-40-0x0000000070440000-0x000000007048C000-memory.dmp

        memory/4728-39-0x0000000006AE0000-0x0000000006B12000-memory.dmp

        memory/4728-52-0x0000000007570000-0x0000000007613000-memory.dmp

        memory/4728-51-0x0000000074620000-0x0000000074DD0000-memory.dmp

        memory/4728-50-0x0000000006B20000-0x0000000006B3E000-memory.dmp

        memory/4728-53-0x0000000074620000-0x0000000074DD0000-memory.dmp

        memory/4728-54-0x0000000007EA0000-0x000000000851A000-memory.dmp

        memory/4728-55-0x0000000007850000-0x000000000786A000-memory.dmp

        memory/4728-56-0x00000000078C0000-0x00000000078CA000-memory.dmp

        memory/4728-57-0x0000000007AD0000-0x0000000007B66000-memory.dmp

        memory/4728-58-0x0000000007A50000-0x0000000007A61000-memory.dmp

        memory/4728-59-0x0000000007A80000-0x0000000007A8E000-memory.dmp

        memory/4728-60-0x0000000007A90000-0x0000000007AA4000-memory.dmp

        memory/4728-61-0x0000000007B90000-0x0000000007BAA000-memory.dmp

        memory/4728-24-0x0000000005460000-0x0000000005482000-memory.dmp

        memory/4728-25-0x0000000005CE0000-0x0000000005D46000-memory.dmp

        memory/4728-18-0x0000000002C30000-0x0000000002C66000-memory.dmp

        memory/4728-20-0x000000007462E000-0x000000007462F000-memory.dmp

        memory/4728-21-0x0000000005640000-0x0000000005C68000-memory.dmp

        memory/4728-23-0x0000000074620000-0x0000000074DD0000-memory.dmp

        memory/4728-22-0x0000000074620000-0x0000000074DD0000-memory.dmp

        memory/4728-62-0x0000000007B70000-0x0000000007B78000-memory.dmp

        memory/4728-65-0x0000000074620000-0x0000000074DD0000-memory.dmp