cryptolocker | hxxps://github[.]com/Da2dalus/The-MALWARE-Repo

General

Target
https://github.com/Da2dalus/The-MALWARE-Repo
Sample260709-bl2pcacs6w

Score

10^/10

Malware Config

Targets

- Target
  https://github.com/Da2dalus/The-MALWARE-Repo
Score

10^/10

adware credential_access defense_evasion discovery execution cryptolocker dharma impact persistence privilege_escalation ransomware spyware stealer trojan
- Family: CryptoLocker
  Ransomware family with multiple variants.
  ransomware cryptolocker
- Family: Dharma
  Dharma is a ransomware that uses security software installation to hide malicious activities.
  ransomware dharma
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware defense_evasion impact execution
- Renames multiple (846) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- Downloads MZ/PE file
- Drops file in Drivers directory
- Modifies RDP port number used by Windows
- Modifies Windows Firewall
  defense_evasion
- Patched UPX-packed file
  Sample is packed with UPX but required header fields are zeroed out to prevent unpacking with the default UPX tool.
- Sets service image path in registry
  This determines the executable launched when a service starts. It can be used to establish persistence.
  persistence
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Credentials from Password Stores: Windows Credential Manager
  Suspicious access to Credentials History.
  credential_access stealer
- Drops startup file
- 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.
  persistence privilege_escalation
- Executes dropped EXE
- Impair Defenses: Safe Mode Boot
  defense_evasion
- Loads dropped DLL
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- 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
- Checks whether UAC is enabled
  defense_evasion trojan
- Contacts third-party web service commonly abused for C2
  Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Drops desktop.ini file(s)
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- ConfuserEx .NET packer
  Detects ConfuserEx .NET packer.
- Drops file in System32 directory
behavioral1