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Overview

overview

9

Static

static

3

test.rar

windows10-1703-x64

9

test.rar

windows11-21h2-x64

3

Sharing

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General

  • Target

    test.rar

  • Size

    7.8MB

  • Sample

    241001-b5y3kayfme

  • MD5

    2d359f1041ae0f2ddbfac978ddbeac00

  • SHA1

    cbb3d1bf341bbf977d43019cee0f27a92c2bcf7c

  • SHA256

    393516358cfefbb72e9e7a895c0343c3cda519a3a8b64226e3eb3ee04735db97

  • SHA512

    559e7dd9f2c0f11b06ff4f1bd403ab4e44942a9d752f3ddca9e8a3ea93519cb5b4ad3912033155c2e1be4d5400d4fa1388c3c54c01032fd2575b5fabc36bf428

  • SSDEEP

    196608:sM0TbU7RgGCPcx2C65PzRAj6a/GFzo1kJ1rPd/4+1:CTzL0x/w7OD6zo1kJNFx1

Score
9/10
bootkitevasionpersistencetrojan

Malware Config

Targets

    • Target

      test.rar

    • Size

      7.8MB

    • MD5

      2d359f1041ae0f2ddbfac978ddbeac00

    • SHA1

      cbb3d1bf341bbf977d43019cee0f27a92c2bcf7c

    • SHA256

      393516358cfefbb72e9e7a895c0343c3cda519a3a8b64226e3eb3ee04735db97

    • SHA512

      559e7dd9f2c0f11b06ff4f1bd403ab4e44942a9d752f3ddca9e8a3ea93519cb5b4ad3912033155c2e1be4d5400d4fa1388c3c54c01032fd2575b5fabc36bf428

    • SSDEEP

      196608:sM0TbU7RgGCPcx2C65PzRAj6a/GFzo1kJ1rPd/4+1:CTzL0x/w7OD6zo1kJNFx1

    Score
    9/10
    bootkitevasionpersistencetrojan

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

      evasion

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks whether UAC is enabled

      evasiontrojan

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks