Managed XDR

sskinst.exe — malware analysis report

File info

Filename
sskinst.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
716 KB
First seen
Last seen

Environment

win7/x64 en

Hashes

SHA1
3497ca0373512ced05e682d11b0634f9c8e0b4bf
SHA256
58143035d1d1d0a817c231676940fb489535804326f9e8e2122440b0d457102b
MD5
a28f780bab3455357f34330f1531cf99

Signatures

Persistence

T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key

Privilege Escalation

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

T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1574.011 persistence_services: Modifies Services registry key
T1027.002 packer_entropy: Probably contains compressed or encrypted data
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
T1480 system_default_lang_id_present: Checks the system language

Impact

T1489 change_service_config: Stops services via ChangeServiceConfig

Other

yara_rules: Static rules
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection