Analysis

  • max time kernel
    148s
  • max time network
    140s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    23/11/2021, 06:51

General

  • Target
    ScanPIX.exe
  • Size 451KB
  • Sample211123-hmhfeshdel
  • SHA256 4cc5a0fb10d6235a197da2d08df9af6afae59ceaffb0c7054cfb087eb5c039b6
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • b3n1

C2
  • http://www.teslabotnews.com/b3n1/

Decoy
  • alexandragrows.com

  • shellload.com

  • stanleyrorke.com

  • glasurit.us

  • facebookismetaverse.com

  • astoundingaffairs.com

  • facom.us

  • dysonsaleoutlet.us

  • obtengaunitedhealthcare.com

  • sebastianroofrepairs.com

  • saltvent.com

  • littleonesclub.com

  • webamazoncardshopmail.xyz

  • lutam.xyz

  • myfirstpsgame.com

  • comline.cloud

  • valueinsightfororacle.com

  • congregacionansestral.com.co

  • paypal-uk.xyz

  • facebookversuzmeta.com

Signatures

  • Formbook

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

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

  • Formbook Payload 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Users\Admin\AppData\Local\Temp\ScanPIX.exe
      "C:\Users\Admin\AppData\Local\Temp\ScanPIX.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3144
      • C:\Users\Admin\AppData\Local\Temp\ScanPIX.exe
        "C:\Users\Admin\AppData\Local\Temp\ScanPIX.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:368
    • C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      2⤵
        PID:312
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2136
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Users\Admin\AppData\Local\Temp\ScanPIX.exe"
          3⤵
            PID:424

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/368-116-0x0000000000400000-0x000000000042F000-memory.dmp

            memory/368-119-0x00000000009C0000-0x0000000000CE0000-memory.dmp

            memory/368-120-0x0000000000D00000-0x0000000000D15000-memory.dmp

            memory/2136-124-0x0000000002C30000-0x0000000002C5F000-memory.dmp

            memory/2136-123-0x00000000001A0000-0x00000000005DF000-memory.dmp

            memory/2136-126-0x0000000004A10000-0x0000000004D30000-memory.dmp

            memory/2136-127-0x00000000047D0000-0x0000000004864000-memory.dmp

            memory/2988-121-0x00000000025B0000-0x00000000026A5000-memory.dmp

            memory/2988-128-0x0000000005F10000-0x0000000006012000-memory.dmp