Managed XDR

lsass.exe — malware analysis report

File info

Filename
lsass.exe
File type
MS-DOS executable
File size
320.2 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
bd647f4b0f6b136ecd01829716011a50f7c341f8
SHA256
cd10dd19b69899866bd7941266cae01f8de6cbcbea5e47322b57d45621de3809
MD5
32d20ac3726a88b9b8278821c355aca0

Signatures

Persistence

T1183 persistence_autorun: Makes itself run automatically on Windows startup
T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1547.004 persistence_autorun: Makes itself run automatically on Windows startup
T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key

Privilege Escalation

T1183 persistence_autorun: Makes itself run automatically on Windows startup
T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1547.004 persistence_autorun: Makes itself run automatically on Windows startup
T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key
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

T1183 persistence_autorun: Makes itself run automatically on Windows startup
T1497 antidbg_windows: Checks for open windows typical for debuggers and forensic tools
T1112 stealth_hidden_extension: Attempts to change system settings so that file extensions won't be displayed
T1112 stealth_hiddenreg: Attempts to change Explorer settings so that hidden files won't be displayed
T1027.002 packer_polymorphic: Creates a modified copy of itself
T1564.001 stealth_file: Creates hidden or system files
T1036 system_filename: Created a file named as a common system file
T1574.011 persistence_services: Modifies Services registry key
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_queries_computername: Retrieves the computer name
T1027.002 packer_vb: The executable file is packed using VB
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1480 system_default_lang_id_present: Checks the system language

Discovery

T1497 antidbg_windows: Checks for open windows typical for debuggers and forensic tools
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_queries_computername: Retrieves the computer name

Impact

T1490 disables_system_restore: Disables System Restore

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
static_pe_anomaly: The PE file structure contains anomalies
creates_in_windows: Creates files in the Windows directory
copies_self: Creates a copy of itself
caon_rat_behavior: Exhibits behavior characteristics of BoxCaon RAT
http_file_not_found: Attempts to download EXE or DLL file but receives HTML with an error
suspicious_process: Spawns a suspicious process
unexpected_exception: Unexpected exception
static_pe_duplicate_sections: The PE file structure contains anomalies: duplicate section names
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
pe_overlay: PE file contains overlay