General

  • Target

    5fbc631ea30c63abaae79f792b28d9ba9e2ae864802cbf0f1a3ef8e552bf993f

  • Size

    14.7MB

  • Sample

    240524-ee4f5sca7z

  • MD5

    91f74a6083c29751deea67224b7e3cf1

  • SHA1

    0ec83f574d9b70baee097a9e551e8cb1aa390753

  • SHA256

    5fbc631ea30c63abaae79f792b28d9ba9e2ae864802cbf0f1a3ef8e552bf993f

  • SHA512

    6471ae889ba1ea3e0d8e88f2eef761d16676801f24cf52c124c9ac327b1b498793750cc245b93207f5fe70951db218d083473b80bb2fd5f025dd1d255b02c663

  • SSDEEP

    393216:rJs0I43rH4iUAo13D7VquFeRq5solYLjfz5vnJ:9s0IMMwotDzei3Ajr5vJ

Malware Config

Targets

    • Target

      5fbc631ea30c63abaae79f792b28d9ba9e2ae864802cbf0f1a3ef8e552bf993f

    • Size

      14.7MB

    • MD5

      91f74a6083c29751deea67224b7e3cf1

    • SHA1

      0ec83f574d9b70baee097a9e551e8cb1aa390753

    • SHA256

      5fbc631ea30c63abaae79f792b28d9ba9e2ae864802cbf0f1a3ef8e552bf993f

    • SHA512

      6471ae889ba1ea3e0d8e88f2eef761d16676801f24cf52c124c9ac327b1b498793750cc245b93207f5fe70951db218d083473b80bb2fd5f025dd1d255b02c663

    • SSDEEP

      393216:rJs0I43rH4iUAo13D7VquFeRq5solYLjfz5vnJ:9s0IMMwotDzei3Ajr5vJ

    • 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