General

  • Target

    fa1196aa3971c2f8df6d4d229b938e85944c6a62df193034003e6d03f01092be

  • Size

    272KB

  • Sample

    221123-m5wg8afh46

  • MD5

    ec7b3c41c1167a89835f604eeeb67171

  • SHA1

    b6488a044aaf1b77d41f054d676735e70c07a38f

  • SHA256

    fa1196aa3971c2f8df6d4d229b938e85944c6a62df193034003e6d03f01092be

  • SHA512

    00fceda18d4b4f3fcfd0891b5d68fd69086e8de2af0d20b8b444f9b0f61c1611f6a78a9cb068c3c4f998a5b5f48ee1b6581165c56e57b65634589e501afd5d29

  • SSDEEP

    6144:Ue34zYqHkguRuu0Ay4MubunpunBkguRuu0Ay4Mu7:cDkuupusBkuup7

Malware Config

Targets

    • Target

      fa1196aa3971c2f8df6d4d229b938e85944c6a62df193034003e6d03f01092be

    • Size

      272KB

    • MD5

      ec7b3c41c1167a89835f604eeeb67171

    • SHA1

      b6488a044aaf1b77d41f054d676735e70c07a38f

    • SHA256

      fa1196aa3971c2f8df6d4d229b938e85944c6a62df193034003e6d03f01092be

    • SHA512

      00fceda18d4b4f3fcfd0891b5d68fd69086e8de2af0d20b8b444f9b0f61c1611f6a78a9cb068c3c4f998a5b5f48ee1b6581165c56e57b65634589e501afd5d29

    • SSDEEP

      6144:Ue34zYqHkguRuu0Ay4MubunpunBkguRuu0Ay4Mu7:cDkuupusBkuup7

    • 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 Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

2
T1112

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

5
T1082

Tasks