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Overview

overview

10

Static

static

7

b63bf326cb...18.exe

windows7-x64

10

b63bf326cb...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b63bf326cb8776d28e91539dac2c1265_JaffaCakes118

  • Size

    216KB

  • Sample

    240822-ed73yaxbqb

  • MD5

    b63bf326cb8776d28e91539dac2c1265

  • SHA1

    2c165a747e2af1e0c760aefa15454ab6c8f12da8

  • SHA256

    ad40467c37cef7463a5b7c9d3948170b8ae2324e55d6d73e8e6b859228286b37

  • SHA512

    290c4f068b06cc58755f9cdc87f1e42b72045021db0ae258bbcaad5c14f077248aff6342ec46bb749f8d322dc94f889082baff77d7532c6079053cc022957459

  • SSDEEP

    3072:jSB5qSR3bSUm4R8WSXB0bXjuz31HWHUtesybqm:jSeUm/WSXAseHbq

Score
10/10
bootkitdiscoveryevasionpersistenceupx

Malware Config

Targets

    • Target

      b63bf326cb8776d28e91539dac2c1265_JaffaCakes118

    • Size

      216KB

    • MD5

      b63bf326cb8776d28e91539dac2c1265

    • SHA1

      2c165a747e2af1e0c760aefa15454ab6c8f12da8

    • SHA256

      ad40467c37cef7463a5b7c9d3948170b8ae2324e55d6d73e8e6b859228286b37

    • SHA512

      290c4f068b06cc58755f9cdc87f1e42b72045021db0ae258bbcaad5c14f077248aff6342ec46bb749f8d322dc94f889082baff77d7532c6079053cc022957459

    • SSDEEP

      3072:jSB5qSR3bSUm4R8WSXB0bXjuz31HWHUtesybqm:jSeUm/WSXAseHbq

    Score
    10/10
    bootkitdiscoveryevasionpersistenceupx

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Blocklisted process makes network request

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

      upx

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks