General

  • Target

    27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b

  • Size

    10.8MB

  • Sample

    240526-ptgwssdb4z

  • MD5

    fade1acf66113785b25d01d256958aea

  • SHA1

    a339cfab5ff5fd7824042f7b7e09738381cdb90c

  • SHA256

    27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b

  • SHA512

    cd89e4aa4c9f205cd7b1797870ec64e172921d1ff247a63d443c53ffcb0a451d926bdff60ab70d7fbf14e69de5dbf7f21c39e8848f5b250d28850fd804127626

  • SSDEEP

    196608:lEZ0EOlaJ19i0GR+iQae7s+cqL+yzQYNOzNioxnWgtV7kgXCsMR:lC0EcC9i0RxF//keY5tJku4R

Malware Config

Targets

    • Target

      27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b

    • Size

      10.8MB

    • MD5

      fade1acf66113785b25d01d256958aea

    • SHA1

      a339cfab5ff5fd7824042f7b7e09738381cdb90c

    • SHA256

      27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b

    • SHA512

      cd89e4aa4c9f205cd7b1797870ec64e172921d1ff247a63d443c53ffcb0a451d926bdff60ab70d7fbf14e69de5dbf7f21c39e8848f5b250d28850fd804127626

    • SSDEEP

      196608:lEZ0EOlaJ19i0GR+iQae7s+cqL+yzQYNOzNioxnWgtV7kgXCsMR:lC0EcC9i0RxF//keY5tJku4R

    • 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