General

  • Target

    5d8ca27d8f0d5d972aca847175e2f82a_JaffaCakes118

  • Size

    300KB

  • Sample

    240719-y9td7sybjn

  • MD5

    5d8ca27d8f0d5d972aca847175e2f82a

  • SHA1

    2535295ecb8f5476388816eb196266e68febd24b

  • SHA256

    6df3c3bd961b7e09f0b49ad8c576d346bb7001ee17872e6fc04a791508b9f332

  • SHA512

    f2ab1546e8e0d32f1582b2bcfebbf7a481cc43c6162065eeb352a46ceb2f60c055428c7d2757c8cf8726547e867fba7e1af9eeb5f69e3eaab826b4a9c75113e1

  • SSDEEP

    3072:e3fF6u+o/jzkE0/VjmexAy2VFrf4wVxKFxs+HtT5fl9MoEP1guoutc:AfF6uD/jzkE+VjmexAy28Y13oS

Malware Config

Targets

    • Target

      5d8ca27d8f0d5d972aca847175e2f82a_JaffaCakes118

    • Size

      300KB

    • MD5

      5d8ca27d8f0d5d972aca847175e2f82a

    • SHA1

      2535295ecb8f5476388816eb196266e68febd24b

    • SHA256

      6df3c3bd961b7e09f0b49ad8c576d346bb7001ee17872e6fc04a791508b9f332

    • SHA512

      f2ab1546e8e0d32f1582b2bcfebbf7a481cc43c6162065eeb352a46ceb2f60c055428c7d2757c8cf8726547e867fba7e1af9eeb5f69e3eaab826b4a9c75113e1

    • SSDEEP

      3072:e3fF6u+o/jzkE0/VjmexAy2VFrf4wVxKFxs+HtT5fl9MoEP1guoutc:AfF6uD/jzkE+VjmexAy28Y13oS

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks