General

  • Target

    a720b683e574022229ed358c56754b127c615f2791f927d0ff9cfaeff192753d

  • Size

    269KB

  • Sample

    221123-m41qjsfg78

  • MD5

    fefb31e5d6d7c0b0c460ed385e020245

  • SHA1

    8db7ae7670f95f5fc9e2b0f8e839c9ef2e6558e7

  • SHA256

    a720b683e574022229ed358c56754b127c615f2791f927d0ff9cfaeff192753d

  • SHA512

    9c6bf742114c61230c8f45a9a63432721e7ecf4d7200aa554d605dd3bad37b008e628e2ef395cd42579b85ae8662a5ed91f2355589fa8599850bdbeaaabf10ca

  • SSDEEP

    6144:PsDeACw7WJhcw39BRaprqpXRstHV75aqti9:0eAj7WbBUprqpiHVlH4

Malware Config

Targets

    • Target

      a720b683e574022229ed358c56754b127c615f2791f927d0ff9cfaeff192753d

    • Size

      269KB

    • MD5

      fefb31e5d6d7c0b0c460ed385e020245

    • SHA1

      8db7ae7670f95f5fc9e2b0f8e839c9ef2e6558e7

    • SHA256

      a720b683e574022229ed358c56754b127c615f2791f927d0ff9cfaeff192753d

    • SHA512

      9c6bf742114c61230c8f45a9a63432721e7ecf4d7200aa554d605dd3bad37b008e628e2ef395cd42579b85ae8662a5ed91f2355589fa8599850bdbeaaabf10ca

    • SSDEEP

      6144:PsDeACw7WJhcw39BRaprqpXRstHV75aqti9:0eAj7WbBUprqpiHVlH4

    • 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.

    • Identifies Wine through registry keys

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

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks