General

  • Target
    6E47A310F6E5D8032F5A6BEB227009BE5BFA3C878B264.exe
  • Size 348KB
  • Sample230127-gxk4mage82
  • SHA256 6e47a310f6e5d8032f5a6beb227009be5bfa3c878b2642b6f6bf975c6adfda8a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vidar

Version
  • 1.5

Botnet
  • 14

C2
  • https://t.me/dahuasecurit

  • https://steamcommunity.com/profiles/76561199441999914

Attributes
  • profile_id

    14

Targets

    • Target
      6E47A310F6E5D8032F5A6BEB227009BE5BFA3C878B264.exe
    • Size 348KB
    • SHA256 6e47a310f6e5d8032f5a6beb227009be5bfa3c878b2642b6f6bf975c6adfda8a
    • MD5 SHA1 SHA512 SSDEEP
    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses 2FA software files, possible credential harvesting

    • 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.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks