General

  • Target

    89f52470b51d16a86864d2ccb8331a63_JaffaCakes118

  • Size

    508KB

  • Sample

    240811-l4zyksvdrq

  • MD5

    89f52470b51d16a86864d2ccb8331a63

  • SHA1

    1caabfebe90c841bb563f8694581e0d48d8e9b6c

  • SHA256

    82a5a3ed98bba98e3926ab469623112e68a9d9290ee503c6c26bb2d13222a2e9

  • SHA512

    13f5d0b051235ba5463b1d1267bbd42835da93771a9b1eea57758d83d934f21706653de95d8a9ef778cfff721003e09fa9d1f9e3edff7d463ff5b9e96ae134f7

  • SSDEEP

    6144:C3xV7htOfFiktSdWyKYAWFCbW7LYxLk+4MGT+N50cIXv+1coDdkozx3pypmlNH9J:C3xxPuFVtSdWJsuWXLGMvxsltRok/Gy

Malware Config

Targets

    • Target

      89f52470b51d16a86864d2ccb8331a63_JaffaCakes118

    • Size

      508KB

    • MD5

      89f52470b51d16a86864d2ccb8331a63

    • SHA1

      1caabfebe90c841bb563f8694581e0d48d8e9b6c

    • SHA256

      82a5a3ed98bba98e3926ab469623112e68a9d9290ee503c6c26bb2d13222a2e9

    • SHA512

      13f5d0b051235ba5463b1d1267bbd42835da93771a9b1eea57758d83d934f21706653de95d8a9ef778cfff721003e09fa9d1f9e3edff7d463ff5b9e96ae134f7

    • SSDEEP

      6144:C3xV7htOfFiktSdWyKYAWFCbW7LYxLk+4MGT+N50cIXv+1coDdkozx3pypmlNH9J:C3xxPuFVtSdWJsuWXLGMvxsltRok/Gy

    • Modifies WinLogon for persistence

    • Modifies visiblity of hidden/system files in Explorer

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Enumerates processes with tasklist

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks