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General

  • Target

    https://cdn.discordapp.com/attachments/892424513931837483/1260488403372212234/viros_remover.py?ex=668f80ce&is=668e2f4e&hm=da02b0964f6be6cad5b1511ebcbfaab83be65c170daf9a9b9ed8cf7bfda63499&

  • Sample

    240710-hmrn4aveqd

Malware Config

Targets

    • Target

      https://cdn.discordapp.com/attachments/892424513931837483/1260488403372212234/viros_remover.py?ex=668f80ce&is=668e2f4e&hm=da02b0964f6be6cad5b1511ebcbfaab83be65c170daf9a9b9ed8cf7bfda63499&

    • Creates new service(s)

    • Downloads MZ/PE file

    • Stops running service(s)

    • 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

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Checks for any installed AV software in registry

    • 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.

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks