General

  • Target

    Vidar.zip

  • Size

    613KB

  • Sample

    241118-vtthgswmgn

  • MD5

    2461258b67c3c287ccd0d249d62fbbc3

  • SHA1

    131e2dd98199079056cdf6b74535834b8c85bb47

  • SHA256

    796ddee334f4259cc206eff345474d1185015c649a9492f6fe85da2edab4ab52

  • SHA512

    b900a55e65d7bf0400dfa548408951dc032c3a13a285eb7c63b9ea150d5a06ecffe490a01fe51e910909aa52ac3ae2d02f09062a4d3d7cbe8eda73eceab3e4f3

  • SSDEEP

    12288:VtML+Puo20sDF14IyWkc72L1zIXctJG1bmS/TsW/iz3YCMdKWK+E9dQyAE9Nqo:QLoOjrsWkcaIXgG1iS/B/2Yh82Yco

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://my.cloudme.com/v1/ws2/:excellent2024/:stars/stars.txt

Extracted

Family

vidar

Version

11.3

Botnet

b0e0b58448bbda137aec170d966f8564

C2

https://t.me/asg7rd

https://steamcommunity.com/profiles/76561199794498376

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15 Ddg/17.6

Targets

    • Target

      c61196d6b3ae9b0c88afb656c58adee79288de13927f288c767bacf2825e8480.exe

    • Size

      1.2MB

    • MD5

      6a97f99224f349c28c6c4c8a3f2ecfb6

    • SHA1

      64c0eac737f4f294e50d64d7ded5896e4d36b2e7

    • SHA256

      c61196d6b3ae9b0c88afb656c58adee79288de13927f288c767bacf2825e8480

    • SHA512

      370836b122778b34ac8804012781f1b1d274864977a537993b8efba9cc8d7f8b526d7ed9774d65a8311b556133f1c914a4f5d89421c4a4ee181278ddfd4639a0

    • SSDEEP

      24576:0rORE29TTVx8aBRd1h1orq+GWE0Jc5bDTj1Vyv9Tvaj1h9XCrd:02EYTb8atv1orq+pEiSDTj1VyvBaJSR

    • Detect Vidar Stealer

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Checks installed software on the system

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks