Managed XDR

update.lnk — malware analysis report

File info

Filename
update.lnk
File type
MS Windows shortcut, Item id list present, Points to a file or directory, Has Description string, Has Relative path, Has Working directory, Has command line arguments, Icon, Archive, ctime=Fri Apr 18 07:34:35 2025, mtime=Fri Apr 18 07:34:35 2025, atime=Fri Apr 18 07:34:35 2025, length=335872, window=hidenormalshowminimized
File size
2.8 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
defa73eb65068fd6d4ea4cffcb43a918188e27d9
SHA256
4f644fb204f45fd9d15091297e10f8ba8ece8e3bbb13c32488bce5812a20a846
MD5
c7e9b22e1d371a0b35938ce0f1430eac

Signatures

Execution

T1204 suspicious_lnk: LNK file with suspicious content
T1059.007 mshta_javascript: Runs JavaScript using mshta
T1059.003 suspicious_process: Spawns a suspicious process
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests

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
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Credential Access

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

Discovery

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1057 has_wmi: Executes one or several WMI requests
T1082 has_wmi: Executes one or several WMI requests
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization

Command and Control

T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

network_bind: Starts servers listening at None
suspicious_process_network: Unusual process network activity detected
dns_without_resolve: DNS query without a response
no_graphical_activity: No graphic activity
creates_suspended_process: Creates suspended process
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
yara_rules: Static rules