General

  • Target

    51bf33a62aa0ea28abaf917f1f82da3823b2ea31e04c6d122a96f7dbde4a2182

  • Size

    3.3MB

  • Sample

    220524-r1nc9sacfl

  • MD5

    095408d1abc0817739b86c3e7e4d0dfd

  • SHA1

    161d670c99c1ede6f26f97f90532236a0f4a6415

  • SHA256

    51bf33a62aa0ea28abaf917f1f82da3823b2ea31e04c6d122a96f7dbde4a2182

  • SHA512

    c6ecb1dd97007e4a8ad3793a7ea040433bfd26b049540aa989542e9f4ff83417d1f60767441ff59f1236e6208e3eca4c739961c124329fda82da84b7f0d6afdd

Malware Config

Targets

    • Target

      51bf33a62aa0ea28abaf917f1f82da3823b2ea31e04c6d122a96f7dbde4a2182

    • Size

      3.3MB

    • MD5

      095408d1abc0817739b86c3e7e4d0dfd

    • SHA1

      161d670c99c1ede6f26f97f90532236a0f4a6415

    • SHA256

      51bf33a62aa0ea28abaf917f1f82da3823b2ea31e04c6d122a96f7dbde4a2182

    • SHA512

      c6ecb1dd97007e4a8ad3793a7ea040433bfd26b049540aa989542e9f4ff83417d1f60767441ff59f1236e6208e3eca4c739961c124329fda82da84b7f0d6afdd

    • 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

    • Modifies file permissions

    • Checks whether UAC is enabled

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Bootkit

1
T1067

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

1
T1112

Discovery

Query Registry

3
T1012

System Information Discovery

5
T1082

Tasks