General

  • Target

    b3e6f4834937ca31247921585024238d_JaffaCakes118

  • Size

    254KB

  • Sample

    240821-r8efbsxhkp

  • MD5

    b3e6f4834937ca31247921585024238d

  • SHA1

    215b0c52c958583519da4499bac9b8826db78b3b

  • SHA256

    4cbc247ffbfb8a00d73f40e6c47ad32b434f6d2f958baae82bec0420ef9cd219

  • SHA512

    db633bce52af99bae8398fd6c8dcdb47c6353aaf2004589ddb21e5a7c37c47d15272f032b48eec8e0e525533f5ab13c52ee1e8a05c1ff8786f5be79ae986d9f2

  • SSDEEP

    3072:KyqgStX49L8zdnbbBFfHBbDu1oNBP33EC8j26A3SdeBWz5soutLNs0:DYo9L8zdnbbBFfxQ+oSJs0

Malware Config

Targets

    • Target

      b3e6f4834937ca31247921585024238d_JaffaCakes118

    • Size

      254KB

    • MD5

      b3e6f4834937ca31247921585024238d

    • SHA1

      215b0c52c958583519da4499bac9b8826db78b3b

    • SHA256

      4cbc247ffbfb8a00d73f40e6c47ad32b434f6d2f958baae82bec0420ef9cd219

    • SHA512

      db633bce52af99bae8398fd6c8dcdb47c6353aaf2004589ddb21e5a7c37c47d15272f032b48eec8e0e525533f5ab13c52ee1e8a05c1ff8786f5be79ae986d9f2

    • SSDEEP

      3072:KyqgStX49L8zdnbbBFfHBbDu1oNBP33EC8j26A3SdeBWz5soutLNs0:DYo9L8zdnbbBFfxQ+oSJs0

    • 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.

    • 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