General

  • Target

    2025-03-31_c9602bb44dd9d4327efc6b10cd3f68e6_black-basta_cobalt-strike_satacom

  • Size

    356KB

  • Sample

    250331-xecbrswsct

  • MD5

    c9602bb44dd9d4327efc6b10cd3f68e6

  • SHA1

    60cf69f0e0d045d40a37013b6b9561bb28460436

  • SHA256

    08d5fc7f58cb2583c0beb9ae2d153abf6fa875ae0586a27d19e233886b799846

  • SHA512

    3a79a7214774b36a385550e1d2aee2bc5583e17b1375550062b3e22622c37e480ea785cff836f5cd130ff50b2c73c076e17116ec32a2f0d331803353f7a18923

  • SSDEEP

    6144:irgjoi8Suh6lw+JA+ZsP3Z8sJuZWLFUoEnAs++:ii8bh6Ch+ZsPpzuZWeoEn

Malware Config

Extracted

Family

vidar

Version

13.3

Botnet

23b8a0e48f77dc82cb41b2936121fd07

C2

https://t.me/lw25chm

https://steamcommunity.com/profiles/76561199839170361

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/132.0.0.0 Safari/537.36 OPR/117.0.0.0

Targets

    • Target

      2025-03-31_c9602bb44dd9d4327efc6b10cd3f68e6_black-basta_cobalt-strike_satacom

    • Size

      356KB

    • MD5

      c9602bb44dd9d4327efc6b10cd3f68e6

    • SHA1

      60cf69f0e0d045d40a37013b6b9561bb28460436

    • SHA256

      08d5fc7f58cb2583c0beb9ae2d153abf6fa875ae0586a27d19e233886b799846

    • SHA512

      3a79a7214774b36a385550e1d2aee2bc5583e17b1375550062b3e22622c37e480ea785cff836f5cd130ff50b2c73c076e17116ec32a2f0d331803353f7a18923

    • SSDEEP

      6144:irgjoi8Suh6lw+JA+ZsP3Z8sJuZWLFUoEnAs++:ii8bh6Ch+ZsPpzuZWeoEn

    • Detect Vidar Stealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Blocklisted process makes network request

    • 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

    • 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.

    • Executes dropped EXE

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks