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General

  • Target

    d637c39dcc5f4fd65c40e11906d12d61_JaffaCakes118

  • Size

    221KB

  • Sample

    240909-nk6ywsxfpd

  • MD5

    d637c39dcc5f4fd65c40e11906d12d61

  • SHA1

    a1b7eb71522bb9d17c6ae3ed6bdd0f24619a1bbc

  • SHA256

    272830c30a076b42c7db3ce31f22daaeac7dedeeacaa27ac54ae74e9f19b12e7

  • SHA512

    e81c377d13ea37e42c78e09d27d321856709931f36f658eecd7f9d2b99c8f98f7769abfa07a45e122a497cf1128d2a4dfde2754999e20ee7fea8e70203e5833f

  • SSDEEP

    3072:F7wuODVbE2EPaZ9JwteJiO9RLk2/3IUT52PjkIx0ohC8lZ1NbJ612bkka:5bGVvasNfQP7M8lZlRQ

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      d637c39dcc5f4fd65c40e11906d12d61_JaffaCakes118

    • Size

      221KB

    • MD5

      d637c39dcc5f4fd65c40e11906d12d61

    • SHA1

      a1b7eb71522bb9d17c6ae3ed6bdd0f24619a1bbc

    • SHA256

      272830c30a076b42c7db3ce31f22daaeac7dedeeacaa27ac54ae74e9f19b12e7

    • SHA512

      e81c377d13ea37e42c78e09d27d321856709931f36f658eecd7f9d2b99c8f98f7769abfa07a45e122a497cf1128d2a4dfde2754999e20ee7fea8e70203e5833f

    • SSDEEP

      3072:F7wuODVbE2EPaZ9JwteJiO9RLk2/3IUT52PjkIx0ohC8lZ1NbJ612bkka:5bGVvasNfQP7M8lZlRQ

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • Modifies firewall policy service

    • 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.

    • Adds Run key to start application

    • Maps connected drives based on registry

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks