General

  • Target

    64e4050888a60a81125a39c3f7f97734702cc10e3ee2c7b4c1936b47a5f49859.exe

  • Size

    394KB

  • Sample

    240924-bttzgawamc

  • MD5

    62cab8f2668425bc0e1e595528c7b93e

  • SHA1

    46f6ba786149b3e6029e4660470e28f0c9c1c96b

  • SHA256

    64e4050888a60a81125a39c3f7f97734702cc10e3ee2c7b4c1936b47a5f49859

  • SHA512

    eb5649d17f1a54af48b60e259d03ba6fc45ffd6dc37e3972453eabec52ecfe039a42faa4c3c058c0fb53198eadc6dec880533901b051b7de6f6b12ac35d934d0

  • SSDEEP

    6144:Zs7jMI5riiD58kQd+8NUvLIktE4W1qmsDETic6xrGbV:Z9Ih3D5w48q0kt50sDETicwC

Malware Config

Extracted

Family

vidar

Version

11

Botnet

9bf5e431869643a2ac397d2dc0d687fb

C2

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Targets

    • Target

      64e4050888a60a81125a39c3f7f97734702cc10e3ee2c7b4c1936b47a5f49859.exe

    • Size

      394KB

    • MD5

      62cab8f2668425bc0e1e595528c7b93e

    • SHA1

      46f6ba786149b3e6029e4660470e28f0c9c1c96b

    • SHA256

      64e4050888a60a81125a39c3f7f97734702cc10e3ee2c7b4c1936b47a5f49859

    • SHA512

      eb5649d17f1a54af48b60e259d03ba6fc45ffd6dc37e3972453eabec52ecfe039a42faa4c3c058c0fb53198eadc6dec880533901b051b7de6f6b12ac35d934d0

    • SSDEEP

      6144:Zs7jMI5riiD58kQd+8NUvLIktE4W1qmsDETic6xrGbV:Z9Ih3D5w48q0kt50sDETicwC

    • Detect Vidar Stealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • 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.

    • 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

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks