General

  • Target

    sample

  • Size

    602KB

  • Sample

    250108-tjj1mavnhy

  • MD5

    a8a8938f336cbd9484facdd7473ec473

  • SHA1

    8876f986e030a9b438d3b20978ae0d6dcf9e0c6e

  • SHA256

    4989abb0fba62269c13b70a1c0bf8a68bbb6d60b34c33fd47898c592e5d5fce4

  • SHA512

    669489c53c2db7fe51a5b74fc19ffcddad26963798fbab147b8d08981c66514da26b1f6fbc863956e073611db0f93f17e56adc9b1bbfc1676571345b0ba3c178

  • SSDEEP

    6144:d9jzz0zzyzzhzzAzz3zzTzzbzzYzz4zzZZtP6vAVI:dJzQzmzFzUzLzfzXzsz8zVZQh

Malware Config

Targets

    • Target

      sample

    • Size

      602KB

    • MD5

      a8a8938f336cbd9484facdd7473ec473

    • SHA1

      8876f986e030a9b438d3b20978ae0d6dcf9e0c6e

    • SHA256

      4989abb0fba62269c13b70a1c0bf8a68bbb6d60b34c33fd47898c592e5d5fce4

    • SHA512

      669489c53c2db7fe51a5b74fc19ffcddad26963798fbab147b8d08981c66514da26b1f6fbc863956e073611db0f93f17e56adc9b1bbfc1676571345b0ba3c178

    • SSDEEP

      6144:d9jzz0zzyzzhzzAzz3zzTzzbzzYzz4zzZZtP6vAVI:dJzQzmzFzUzLzfzXzsz8zVZQh

    • Downloads MZ/PE file

    • A potential corporate email address has been identified in the URL: [email protected]

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Checks system information in the registry

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

    • Detected potential entity reuse from brand STEAM.

    • Drops file in System32 directory

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks