General

  • Target

    1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698

  • Size

    6.3MB

  • Sample

    240525-xyf43afa4v

  • MD5

    095277b5562bdf73b39b2bac6229c2bf

  • SHA1

    e6c7e95a5d2916b288f51e120dc57bbfc81ba468

  • SHA256

    1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698

  • SHA512

    762279a7310164833eacd2101a6a879c13a9926c56987059531458e5d621f508687a477a4ebec316deea3b048a9a0c9f24c27b098f2381c620e1fdfa73d2909e

  • SSDEEP

    98304:VIq4inOVzLlGPghuUq1OLXTYGmAl8u7au6DZ9QBFqXPaC/diq0HrUpFL6z8tV:VX4iOVnyghMiVmi8u7au6D0KPaC/sqjl

Malware Config

Targets

    • Target

      1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698

    • Size

      6.3MB

    • MD5

      095277b5562bdf73b39b2bac6229c2bf

    • SHA1

      e6c7e95a5d2916b288f51e120dc57bbfc81ba468

    • SHA256

      1c87c8b0a38ea8a30b3a191582c727e92cbd34618e67328d63bff3e68172f698

    • SHA512

      762279a7310164833eacd2101a6a879c13a9926c56987059531458e5d621f508687a477a4ebec316deea3b048a9a0c9f24c27b098f2381c620e1fdfa73d2909e

    • SSDEEP

      98304:VIq4inOVzLlGPghuUq1OLXTYGmAl8u7au6DZ9QBFqXPaC/diq0HrUpFL6z8tV:VX4iOVnyghMiVmi8u7au6D0KPaC/sqjl

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

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Identifies Wine through registry keys

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

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
T1082

Tasks