General

  • Target
    1d526d81d29d6ade00489f6a2d6b79b0.exe
  • Size 7.8MB
  • Sample221202-ag8reshf8x
  • SHA256 5e609fdb0a898c8fc4510e8f4508618fafb345d71528586b5c0f8eb6df547abe
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vidar

Version
  • 56

Botnet
  • 1760

C2
  • https://t.me/vmt001

Attributes
  • profile_id

    1760

Targets

    • Target
      1d526d81d29d6ade00489f6a2d6b79b0.exe
    • Size 7.8MB
    • SHA256 5e609fdb0a898c8fc4510e8f4508618fafb345d71528586b5c0f8eb6df547abe
    • MD5 SHA1 SHA512 SSDEEP
    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

    • 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.

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses 2FA software files, possible credential harvesting

    • 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.

    • Checks whether UAC is enabled

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks