General

  • Target
    test.ps1.ps1
  • Size 174B
  • Sample260423-fd7mvaa16y
  • SHA256 1bb7b314205b20d1dd7f616ab7d688a88901d055d85232ba12c475b41ef04efd
  • MD5 SHA1 SHA512 TLSH

Malware Config

Extracted

Family
  • vidar

Version
  • 1.0

Botnet
  • 0c14910b9da47efb683982ba180cb5d2

C2
  • https://telegram.me/p74kol

  • https://steamcommunity.com/profiles/76561198721902688

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:140.0) Gecko/20100101 Firefox/140.0

Targets

    • Target
      test.ps1.ps1
    • Size 174B
    • SHA256 1bb7b314205b20d1dd7f616ab7d688a88901d055d85232ba12c475b41ef04efd
    • MD5 SHA1 SHA512 TLSH
    • Detects Vidar Stealer

    • Family: Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft NirCmd

      NirCmd is a lightweight Windows command-line tool for automating system tasks

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Disables service(s)

    • Executes dropped EXE

    • Loads dropped DLL

    • Stops running service(s)

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates processes with tasklist

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks