Managed XDR

c-windows-lsass.exe — malware analysis report

File info

Filename
c-windows-lsass.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
484.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
5bb7d97a44b7ebf97af785a3a716f9cfca75a15a
SHA256
173a65c23a1649efbf1782741d85068b5fd76e08f85724415624bf79276c0c2f
MD5
3907bb2746ce7f551354a747aa4424b4

Signatures

Initial Access

T1091 spreading_autoruninf: Creates an autorun.inf file

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
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

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
T1036 system_procname: Created a process named as a common system process
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1070 stealth_window: A process created a hidden window

Discovery

T1057 process_interest: Enumerates processes
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1135 server_share_info: Retrieves information about each shared resource on a server

Lateral Movement

T1091 spreading_autoruninf: Creates an autorun.inf file

Collection

T1074.001 access_recyclebin: Manipulation with recyclebin detected

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
suspicious_process: Spawns a suspicious process
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
get_policy_info: Retrieves information about a Policy object