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Overview

overview

8

Static

static

3

JaffaCakes...8f.exe

windows7-x64

8

JaffaCakes...8f.exe

windows10-2004-x64

8

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General

  • Target

    JaffaCakes118_8a5f051b4f28f1c1e11625ef65416e8f

  • Size

    889KB

  • Sample

    250328-ge4g9atrv6

  • MD5

    8a5f051b4f28f1c1e11625ef65416e8f

  • SHA1

    4ba7a2254ae00713d6f68c93c6018401b0341df7

  • SHA256

    0674a9370b11490624738f77781ed6acec5485f5d5e4d5e76209ca99d369b325

  • SHA512

    1e1c19a551be9c8702b232ed21c1999e025240407ab0eefef6cb94498f699557d9d78958a54619e1c6122513614633a5c7690ce9cea1f8f439120af13413b0ee

  • SSDEEP

    12288:KDMZ2UOv2HCCVIiG6bmp6wyNBUJmHDrRfk9qKv6a+cN8Lf1VMNc:zZm+LG6bmp6hNBUJmHD1gvBNKNVMW

Score
8/10
bootkitdiscoverypersistenceupx

Malware Config

Targets

    • Target

      JaffaCakes118_8a5f051b4f28f1c1e11625ef65416e8f

    • Size

      889KB

    • MD5

      8a5f051b4f28f1c1e11625ef65416e8f

    • SHA1

      4ba7a2254ae00713d6f68c93c6018401b0341df7

    • SHA256

      0674a9370b11490624738f77781ed6acec5485f5d5e4d5e76209ca99d369b325

    • SHA512

      1e1c19a551be9c8702b232ed21c1999e025240407ab0eefef6cb94498f699557d9d78958a54619e1c6122513614633a5c7690ce9cea1f8f439120af13413b0ee

    • SSDEEP

      12288:KDMZ2UOv2HCCVIiG6bmp6wyNBUJmHDrRfk9qKv6a+cN8Lf1VMNc:zZm+LG6bmp6hNBUJmHD1gvBNKNVMW

    Score
    8/10
    bootkitdiscoverypersistenceupx

    • Drops file in Drivers directory

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • 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

    • Drops file in System32 directory

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks