Overview

overview

8

Static

static

8

af21771c43...d0.exe

windows7-x64

af21771c43...d0.exe

windows10-2004-x64

8

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General

  • Target

    af21771c43e4329e3d3708f7a9584d9eb5a78733b8262e6cc5b5b9cd497b13d0

  • Size

    423KB

  • Sample

    221203-sqsqnsbh52

  • MD5

    fb4885cc483fa50716c9f17f80ae3f18

  • SHA1

    1708e68a0d359902fe836b14f0e13bc69706390b

  • SHA256

    af21771c43e4329e3d3708f7a9584d9eb5a78733b8262e6cc5b5b9cd497b13d0

  • SHA512

    8e47abb1cccf247646d3523ba5a0a19c8d878a3aed3b71917468d01de6fef4d32474279c60b89ae8b5e7f4d81632b6f0bfcdc89e00931bbbd008454100364848

  • SSDEEP

    6144:kl+pS3P7rb8WmOeOOQQqq8//3SiZTC4uVAr1wu8DtKYaTJ4PzgkjUllLN:O+pS3P7rwmJq8//hw4uvVt5aTJkep

Score
8/10
bootkitpersistenceupx

Malware Config

Targets

    • Target

      af21771c43e4329e3d3708f7a9584d9eb5a78733b8262e6cc5b5b9cd497b13d0

    • Size

      423KB

    • MD5

      fb4885cc483fa50716c9f17f80ae3f18

    • SHA1

      1708e68a0d359902fe836b14f0e13bc69706390b

    • SHA256

      af21771c43e4329e3d3708f7a9584d9eb5a78733b8262e6cc5b5b9cd497b13d0

    • SHA512

      8e47abb1cccf247646d3523ba5a0a19c8d878a3aed3b71917468d01de6fef4d32474279c60b89ae8b5e7f4d81632b6f0bfcdc89e00931bbbd008454100364848

    • SSDEEP

      6144:kl+pS3P7rb8WmOeOOQQqq8//3SiZTC4uVAr1wu8DtKYaTJ4PzgkjUllLN:O+pS3P7rwmJq8//hw4uvVt5aTJkep

    Score
    8/10
    bootkitpersistenceupx

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Deletes itself

    • Loads dropped DLL

    • 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 SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks