General

  • Target

    b472f030c9bf4acc1825f4579345d91d081d57f28c896b4b3b6dfa8531812a87

  • Size

    1.4MB

  • Sample

    240526-cepa4sbe59

  • MD5

    2dadc15d27c5e042fc2c6259905ef541

  • SHA1

    22b8b03795322082655ad94bc2723448dda1105d

  • SHA256

    b472f030c9bf4acc1825f4579345d91d081d57f28c896b4b3b6dfa8531812a87

  • SHA512

    e157ebadabb36852214d85749fa732cabcc8c7fdc2c32569fbbceb249cce79177d64e0c3214919df42460df5652e90b5fac1bcbc3241dc48c1ac291e6e31212b

  • SSDEEP

    24576:43VrNRRXiOMCH1bVALweNfipAom/TiMIyEz3hC+EGTDTn0OZMD43OlTBrcy3q0qy:grdyOjb6weRi6b9zxA37mRcOFq

Malware Config

Targets

    • Target

      b472f030c9bf4acc1825f4579345d91d081d57f28c896b4b3b6dfa8531812a87

    • Size

      1.4MB

    • MD5

      2dadc15d27c5e042fc2c6259905ef541

    • SHA1

      22b8b03795322082655ad94bc2723448dda1105d

    • SHA256

      b472f030c9bf4acc1825f4579345d91d081d57f28c896b4b3b6dfa8531812a87

    • SHA512

      e157ebadabb36852214d85749fa732cabcc8c7fdc2c32569fbbceb249cce79177d64e0c3214919df42460df5652e90b5fac1bcbc3241dc48c1ac291e6e31212b

    • SSDEEP

      24576:43VrNRRXiOMCH1bVALweNfipAom/TiMIyEz3hC+EGTDTn0OZMD43OlTBrcy3q0qy:grdyOjb6weRi6b9zxA37mRcOFq

    • 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