General

  • Target
    file.exe
  • Size 4.9MB
  • Sample221005-vx5d6afab8
  • SHA256 c6af08db8d058efc88312d44e1906f4e7cec8d27bd99af3ccd9b09c045551ee3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vidar

Version
  • 54.9

Botnet
  • 1679

C2
  • https://t.me/larsenup

  • https://ioc.exchange/@zebra54

Attributes
  • profile_id

    1679

Targets

    • Target
      file.exe
    • Size 4.9MB
    • SHA256 c6af08db8d058efc88312d44e1906f4e7cec8d27bd99af3ccd9b09c045551ee3
    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks