cryptolocker | hxxps://github[.]com/Da2dalus/The-MALWARE-Repo/archive/refs/heads/master[.]zip | Triage

Resubmissions

17/03/2025, 08:46

250317-kpcdasvyhs 10

17/03/2025, 08:43

250317-kmnzbaymv3 10

17/03/2025, 08:41

250317-klen9avycv 4

17/03/2025, 08:37

250317-kjddeavxfw 4

Sharing

General

Target

https://github.com/Da2dalus/The-MALWARE-Repo/archive/refs/heads/master.zip
Sample

250317-kpcdasvyhs

Score

10^/10

cryptolocker defense_evasion discovery persistence ransomware trojan

Malware Config

Targets

- Target
  
  https://github.com/Da2dalus/The-MALWARE-Repo/archive/refs/heads/master.zip
Score

10^/10

cryptolocker defense_evasion discovery persistence ransomware trojan
- CryptoLocker
  Ransomware family with multiple variants.
  ransomware cryptolocker
- Cryptolocker family
  cryptolocker
- Modifies WinLogon for persistence
  persistence
- UAC bypass
  defense_evasion trojan
- Disables Task Manager via registry modification
  defense_evasion
- Executes dropped EXE
- Adds Run key to start application
  persistence
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Sets desktop wallpaper using registry
  ransomware
behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Scheduled Task

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Scheduled Task/Job

Scheduled Task

Privilege Escalation

Abuse Elevation Control Mechanism

Bypass User Account Control

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Scheduled Task/Job

Scheduled Task

Defense Evasion

Abuse Elevation Control Mechanism

Bypass User Account Control

Impair Defenses

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

Tasks

static1

urlscan1

behavioral1

cryptolockerdefense_evasiondiscoverypersistenceransomwaretrojan