Managed XDR

screenupdatesync.exe (Stealc) — malware analysis report

File info

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

Environment

win7/x86 en

Hashes

SHA1
f1651efe9233e80b601e2ae06d18f420ad1fd1ef
SHA256
43596f640f9dd46ca955a0d83137198275f5ed609a7a24b80c2297528b359fd6
MD5
45ec40364cde1fe56e606fe86b350ced

Malwares

  • Stealc

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

T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.001 antivm_queries_computername: Retrieves the computer name
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

Credential Access

T1552 cookie_files: Accesses cookie files
T1555.003 cookie_files: Accesses cookie files

Discovery

T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.001 antivm_queries_computername: Retrieves the computer name

Command and Control

T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.001 network_http: Performs HTTP requests
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

suricata_alert: Malicious traffic detected
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
get_policy_info: Retrieves information about a Policy object

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