Persistence
T1574 dropper_dll: Creates DLL, which is then loaded into the process
Privilege Escalation
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1574 dropper_dll: Creates DLL, which is then loaded into the process
Defense Evasion
T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1222 icacls: May obtain or change Discretionary access control lists (DACLs)
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
Discovery
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
Collection
T1074.001 access_recyclebin: Manipulation with recyclebin detected
Impact
T1486 ransomware_files: Ransomware indicators detected Ryuk (creates keys and the instruction on how to unlock the 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
no_graphical_activity: No graphic activity