General

  • Target
    7f22451fdb349cf64713c504551fa5d8
  • Size 2.1MB
  • Sample231222-kvarnaeaar
  • SHA256 4eeeb09b82ac8340354fcb7b58f1845adff3d47e4f370e612cb1de7951362aef
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      7f22451fdb349cf64713c504551fa5d8
    • Size 2.1MB
    • SHA256 4eeeb09b82ac8340354fcb7b58f1845adff3d47e4f370e612cb1de7951362aef
    • MD5 SHA1 SHA512 SSDEEP
    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Modifies WinLogon for persistence

    • UAC bypass

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks