Managed XDR

microsoft-update-health-service — malware analysis report

File info

Filename
microsoft-update-health-service
File type
PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
File size
604.1 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
93007ff3acf3a4b06ea98da2d1bf21bc6c42049f
SHA256
a44cbcfd9e1694aa37526048c0e5b338f15c5596b20155e86aa73e0714d52ea0
MD5
47c4edf8c60255cf5631568d60415ae7

Signatures

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

Defense Evasion

T1036.001 invalid_authenticode: Digital signature of the executable file has failed the verification
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
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
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Credential Access

T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Other

yara_rules: Static rules
modifies_certs: Attempts to generate or modify system certificates
network_bind: Starts servers listening at None
process_crashed: One of the processes has failed
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
dotnet_import_unmanaged_code: Dotnet program statically imports unmanaged functions/modules
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
writes_data: Writes big amount of data to disk
pe_overlay: PE file contains overlay
Managed XDR