cryptolocker

General

Target

https://www.google.com/search?q=bonzi+buddy+download&oq=bonzi+buddy+download&gs_lcrp=EgZjaHJvbWUyBggAEEUYOTIGCAEQLhhA0gEIMjY1OWowajSoAgCwAgE&sourceid=chrome&ie=UTF-8
Sample

240812-t5xtlszcmm

Score

10^/10

Malware Config

Targets

- Target
  
  https://www.google.com/search?q=bonzi+buddy+download&oq=bonzi+buddy+download&gs_lcrp=EgZjaHJvbWUyBggAEEUYOTIGCAEQLhhA0gEIMjY1OWowajSoAgCwAgE&sourceid=chrome&ie=UTF-8
Score

10^/10

cryptolocker defense_evasion discovery evasion lateral_movement persistence privilege_escalation ransomware upx
- CryptoLocker
  Ransomware family with multiple variants.
  ransomware cryptolocker
- Modifies security service
  evasion
- Grants admin privileges
  Uses net.exe to modify the user's privileges.
- Remote Service Session Hijacking: RDP Hijacking
  Adversaries may hijack a legitimate user's remote desktop session to move laterally within an environment.
  lateral_movement
- Boot or Logon Autostart Execution: Active Setup
  Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
  persistence
- Downloads MZ/PE file
- Modifies Windows Firewall
  evasion
- Sets file to hidden
  Modifies file attributes to stop it showing in Explorer etc.
  evasion
- Sets service image path in registry
  persistence
- Drops startup file
- Executes dropped EXE
- Impair Defenses: Safe Mode Boot
  defense_evasion
- Loads dropped DLL
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Adds Run key to start application
  persistence
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Drops desktop.ini file(s)
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Legitimate hosting services abused for malware hosting/C2
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Password Policy Discovery
  Attempt to access detailed information about the password policy used within an enterprise network.
  discovery
- Drops file in System32 directory
- Hide Artifacts: Hidden Users
  defense_evasion
behavioral1