General

  • Target

    6a97f99224f349c28c6c4c8a3f2ecfb6.exe

  • Size

    1.2MB

  • Sample

    241103-erbxnaxncn

  • MD5

    6a97f99224f349c28c6c4c8a3f2ecfb6

  • SHA1

    64c0eac737f4f294e50d64d7ded5896e4d36b2e7

  • SHA256

    c61196d6b3ae9b0c88afb656c58adee79288de13927f288c767bacf2825e8480

  • SHA512

    370836b122778b34ac8804012781f1b1d274864977a537993b8efba9cc8d7f8b526d7ed9774d65a8311b556133f1c914a4f5d89421c4a4ee181278ddfd4639a0

  • SSDEEP

    24576:0rORE29TTVx8aBRd1h1orq+GWE0Jc5bDTj1Vyv9Tvaj1h9XCrd:02EYTb8atv1orq+pEiSDTj1VyvBaJSR

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

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

Extracted

Family

vidar

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

      6a97f99224f349c28c6c4c8a3f2ecfb6.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

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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