cryptolocker

General

Target

http://irm https://massgrave.dev/get | iex
Sample

241222-dc3amazrgw

Score

10^/10

Malware Config

Targets

- Target
  
  http://irm https://massgrave.dev/get | iex
Score

10^/10

cryptolocker dharma bootkit credential_access defense_evasion discovery evasion execution impact lateral_movement motw persistence phishing privilege_escalation ransomware stealer
- CryptoLocker
  Ransomware family with multiple variants.
  ransomware cryptolocker
- Cryptolocker family
  cryptolocker
- Dharma
  Dharma is a ransomware that uses security software installation to hide malicious activities.
  ransomware dharma
- Dharma family
  dharma
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware defense_evasion impact execution
- 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
- Renames multiple (604) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- 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
- Credentials from Password Stores: Windows Credential Manager
  Suspicious access to Credentials History.
  credential_access stealer
- Drops startup file
- Executes dropped EXE
- Impair Defenses: Safe Mode Boot
  defense_evasion
- Loads dropped DLL
- Adds Run key to start application
  persistence
- 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
- Mark of the Web detected: This indicates that the page was originally saved or cloned.
  phishing motw
- Password Policy Discovery
  Attempt to access detailed information about the password policy used within an enterprise network.
  discovery
- Writes to the Master Boot Record (MBR)
  Bootkits write to the MBR to gain persistence at a level below the operating system.
  bootkit persistence
- AutoIT Executable
  AutoIT scripts compiled to PE executables.
- Drops file in System32 directory
- Hide Artifacts: Hidden Users
  defense_evasion
- Suspicious use of SetThreadContext
behavioral1