Managed XDR

wannacry_package.zip — malware analysis report

File info

Filename
wannacry_package.zip
File type
Zip archive data, at least v2.0 to extract
File size
14.6 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
4cf1a2c8b02946941cf3c375bdeaf3aa9bcef51b
SHA256
d05107ed1855283ab28dcbc39df554b361edac34ef2d5dd6e861b8aa0e977c85
MD5
d2281a56dbe2183da0bfdd61f2e2c3ea

Signatures

Execution

T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests

Persistence

T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key

Privilege Escalation

T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
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

T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1562.001 disables_security: Disables Windows Security options
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1574.011 persistence_services: Modifies Services registry key
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1562 firewall_disable: Disables Firewall
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey

Credential Access

T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets
T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Discovery

T1518.001 antiav_detectservice: Attempts to detect installed antiviruses by a certain service
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1082 has_wmi: Executes one or several WMI requests
T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey
T1016 get_hostname: Attempts to get hostname

Collection

T1074.001 access_recyclebin: Manipulation with recyclebin detected
T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)
T1560.001 archive_via_utility: Detected archiving data via utility

Impact

T1486 modifies_files: Cryptolocker indicators detected (renamed 500 or more files)
T1490 vssadmin_delete_shadows: Attempt to delete volume shadow copies
T1489 stops_service: Stops Windows services
T1486 mass_data_encryption: Encrypts data using the same key (possible ransomware behavior)
T1485 deletes_files: Removes 500 or more files from C: drive
T1529 shutdown_system: Shuts the system down
T1489 net_stop: Stops services through the use of net stop

Other

yara_rules: Static rules
cryptolocker_wallpaper: Ransomware indicators detected (changes the desktop wallpaper file)
only_exec_in_archive: The archive contains only an executable file
dotnet_suspicious_module_name: Dotnet program has suspicious module name
creates_suspended_process: Creates suspended process
dotnet_import_unmanaged_code: Dotnet program statically imports unmanaged functions/modules
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
writes_data: Writes big amount of data to disk