General

  • Target
    Youtube-Viewer Bot.zip
  • Size 34.1MB
  • Sample240824-knhtpatfll
  • SHA256 d83c990e504a8d9cca2befd3ad87d939ca07d8e2d5919cb9b918ae4434d88f4c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • gurcu

C2
  • https://api.telegram.org/bot7308213044:AAFm9yNR1WX2-QnC_ZcUdYHkkJGg7179JYE/sendMessag

Targets

    • Target
      Youtube-Viewer Bot.zip
    • Size 34.1MB
    • SHA256 d83c990e504a8d9cca2befd3ad87d939ca07d8e2d5919cb9b918ae4434d88f4c
    • MD5 SHA1 SHA512 SSDEEP
    • Gurcu, WhiteSnake

      Gurcu is a malware stealer written in C#.

    • 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

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Checks installed software on the system

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

    • Enumerates connected drives

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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks