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General

  • Target

    f660b7279e4613eaa2f18e55a0954bcc_JaffaCakes118

  • Size

    2.0MB

  • Sample

    240417-wvcrsshg59

  • MD5

    f660b7279e4613eaa2f18e55a0954bcc

  • SHA1

    eda18cc4e4774885bfaae2c6ea4ae2f5e49c0690

  • SHA256

    b24e1c522e4cde05978e17faa213ba34b0547b5aab4e9c3f318fc935516f01e1

  • SHA512

    23a05ae4915cd807520bcb4ccdafc0e0fb0a5339e946ed628d25d6e6c650628bd38f886392f828c2f70628713c3fe703eee5551676c054173218aa5b4e874670

  • SSDEEP

    3072:Cqu7aslM9lhLElGtSIs48417nFdcQ4FdHLDC62ftOS2N:CqrK

Malware Config

Targets

    • Target

      f660b7279e4613eaa2f18e55a0954bcc_JaffaCakes118

    • Size

      2.0MB

    • MD5

      f660b7279e4613eaa2f18e55a0954bcc

    • SHA1

      eda18cc4e4774885bfaae2c6ea4ae2f5e49c0690

    • SHA256

      b24e1c522e4cde05978e17faa213ba34b0547b5aab4e9c3f318fc935516f01e1

    • SHA512

      23a05ae4915cd807520bcb4ccdafc0e0fb0a5339e946ed628d25d6e6c650628bd38f886392f828c2f70628713c3fe703eee5551676c054173218aa5b4e874670

    • SSDEEP

      3072:Cqu7aslM9lhLElGtSIs48417nFdcQ4FdHLDC62ftOS2N:CqrK

    • 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

    • Sets file execution options in registry

    • Checks computer location settings

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

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks