General

  • Target

    365e87bcd811ad6e91b2bc02d344704411b576e3a7eb2406ae15d26f02a2efcf

  • Size

    10.8MB

  • Sample

    240526-gfkfrshg42

  • MD5

    ed8c3746afab2fdebfeec407f0e90c64

  • SHA1

    3bd8fb8fbd43a1dbddec28d19d315e93f2f4d7ef

  • SHA256

    365e87bcd811ad6e91b2bc02d344704411b576e3a7eb2406ae15d26f02a2efcf

  • SHA512

    7cd5ea6374b0d78f59a8f2ed3c3c85732a8402e11b7d02031cc08dd69fa2ca5005313635c6c03403a182db19d671e47ded8d31dd7de28afe28303ddb9ac630e1

  • SSDEEP

    196608:vj1xkwPiTd6Dt4xihHkYP7ohyMvvSloVReEg19lZL+DS3at18vIKm:vcwP3t4xihEYPshNvKnEw6C/In

Malware Config

Targets

    • Target

      365e87bcd811ad6e91b2bc02d344704411b576e3a7eb2406ae15d26f02a2efcf

    • Size

      10.8MB

    • MD5

      ed8c3746afab2fdebfeec407f0e90c64

    • SHA1

      3bd8fb8fbd43a1dbddec28d19d315e93f2f4d7ef

    • SHA256

      365e87bcd811ad6e91b2bc02d344704411b576e3a7eb2406ae15d26f02a2efcf

    • SHA512

      7cd5ea6374b0d78f59a8f2ed3c3c85732a8402e11b7d02031cc08dd69fa2ca5005313635c6c03403a182db19d671e47ded8d31dd7de28afe28303ddb9ac630e1

    • SSDEEP

      196608:vj1xkwPiTd6Dt4xihHkYP7ohyMvvSloVReEg19lZL+DS3at18vIKm:vcwP3t4xihEYPshNvKnEw6C/In

    • 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