General

  • Target

    8bce013095fe0fe93974c052f704b43d_JaffaCakes118

  • Size

    483KB

  • Sample

    240811-yz6a1szfpg

  • MD5

    8bce013095fe0fe93974c052f704b43d

  • SHA1

    a44d355845f9ba54e62bbb924811dc94cb2d281e

  • SHA256

    1831f44e7d659dc424ee7ec7ffcbc2052a807765cacfcb70b6b0f47af7c2b9b3

  • SHA512

    c631101b2a2b5bce1617aa67379527d41311f9b3a6a179da457fe027aaa1a1d577d79b5c71dd67719f5740d2637933e03959a9007f50fc164d0723bb177caee4

  • SSDEEP

    3072:5HMvP1nQG+hTOvhlvaaX5A/gdfag8nout:5Mnv8noS

Malware Config

Targets

    • Target

      8bce013095fe0fe93974c052f704b43d_JaffaCakes118

    • Size

      483KB

    • MD5

      8bce013095fe0fe93974c052f704b43d

    • SHA1

      a44d355845f9ba54e62bbb924811dc94cb2d281e

    • SHA256

      1831f44e7d659dc424ee7ec7ffcbc2052a807765cacfcb70b6b0f47af7c2b9b3

    • SHA512

      c631101b2a2b5bce1617aa67379527d41311f9b3a6a179da457fe027aaa1a1d577d79b5c71dd67719f5740d2637933e03959a9007f50fc164d0723bb177caee4

    • SSDEEP

      3072:5HMvP1nQG+hTOvhlvaaX5A/gdfag8nout:5Mnv8noS

    • Modifies firewall policy service

    • Modifies security service

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • UAC bypass

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Drops file in Drivers directory

    • Event Triggered Execution: Image File Execution Options Injection

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • UPX packed file

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

    • Windows security modification

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Indicator Removal: Clear Persistence

      remove IFEO.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks