General

  • Target

    1VB7gm8.exe

  • Size

    1.7MB

  • Sample

    250207-sl24jswkcv

  • MD5

    0f2e0a4daa819b94536f513d8bb3bfe2

  • SHA1

    4f73cec6761d425000a5586a7325378148d67861

  • SHA256

    8afc16be658f69754cc0654864ffed46c97a7558db0c39e0f2d5b870c1ff6e39

  • SHA512

    80a35414c2be58deec0f3382a8e949a979f67d4f02c2700cf0da4b857cdcc8daa6b00ce2bcc3864edb87446086fe3f547a60580449935dbad5fb5f08dda69f1b

  • SSDEEP

    49152:kvigLTTxYy9dxaAc73z4PQqLiy1jhDMBhKwnq2:kvi6hYy7YAI3ziLZA6wq

Malware Config

Targets

    • Target

      1VB7gm8.exe

    • Size

      1.7MB

    • MD5

      0f2e0a4daa819b94536f513d8bb3bfe2

    • SHA1

      4f73cec6761d425000a5586a7325378148d67861

    • SHA256

      8afc16be658f69754cc0654864ffed46c97a7558db0c39e0f2d5b870c1ff6e39

    • SHA512

      80a35414c2be58deec0f3382a8e949a979f67d4f02c2700cf0da4b857cdcc8daa6b00ce2bcc3864edb87446086fe3f547a60580449935dbad5fb5f08dda69f1b

    • SSDEEP

      49152:kvigLTTxYy9dxaAc73z4PQqLiy1jhDMBhKwnq2:kvi6hYy7YAI3ziLZA6wq

    • Detect Vidar Stealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Uses browser remote debugging

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

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks