Execution
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1047 has_wmi: Executes one or several WMI requests
Persistence
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
Privilege Escalation
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
Defense Evasion
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1222 icacls: May obtain or change Discretionary access control lists (DACLs)
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
Credential Access
T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files
Discovery
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1518 locates_browser: Attempts to identify where browsers are installed
Collection
T1074.001 access_recyclebin: Manipulation with recyclebin detected
Impact
T1486 modifies_files2: Cryptolocker indicators detected (500 or more files are modified)
T1486 modifies_files: Cryptolocker indicators detected (renamed 500 or more files)
T1490 vssadmin_delete_shadows: Attempt to delete volume shadow copies
T1486 ransomware_files: Ransomware indicators detected Ryuk (creates keys and the instruction on how to unlock the files)
T1486 ransomware_extensions: Ransomware(s) Ryuk indicators detected (specific extension is added to files)
T1486 ransomware_files_2: Ransomware(s) Ryuk indicators detected (creates keys and the instruction on how to unlock the files)
Other
yara_rules: Static rules
ryuk: Detected Ryuk ransomware
ransomware_shadowcopy: Removes volume shadow copies
creates_exe: Creates executable files in the file system
ransomware_bcdedit: Runs bcdedit commands specific to ransomware
no_graphical_activity: No graphic activity
message_box: Displays a message
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
writes_data: Writes big amount of data to disk