General

  • Target
    https://cdn.discordapp.com/attachments/1456313634161561742/1523486194061803550/infected_cb-1.0.0.jar?ex=6a4c4895&is=6a4af715&hm=834dcebfded49b4e07e0403a9ff705fcf7d0fe850508e6637f2a578a187fc0d8&
  • Sample260706-axt8zagx8w

Malware Config

Targets

    • Target
      https://cdn.discordapp.com/attachments/1456313634161561742/1523486194061803550/infected_cb-1.0.0.jar?ex=6a4c4895&is=6a4af715&hm=834dcebfded49b4e07e0403a9ff705fcf7d0fe850508e6637f2a578a187fc0d8&
    • Downloads MZ/PE file

    • 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Checks system information in the registry

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

    • Drops file in System32 directory

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks