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 Relative path, Has Working directory, Has command line arguments, Archive, ctime=Mon Nov 25 16:20:24 2024, mtime=Thu Jun 25 18:15:31 2026, atime=Mon Nov 25 16:20:24 2024, length=289792, window=hidenormalshowminimized
File size
1.7 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
9a73f02de3b3ab0db2242de4f8ec61a39bdc6e7e
SHA256
7bb65f7c0cd4b37a78133cc93fb44f7ababc6d85d23518dfff0b629540a04094
MD5
3fc27c72ea0ffb9cf426a3ccfea42161

Signatures

Execution

T1059.001 suspicious_powershell: Creates suspicious PowerShell process
T1204 suspicious_lnk: LNK file with suspicious content
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests
T1059.001 suspicious_process: Spawns a suspicious process

Defense Evasion

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
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

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
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1057 has_wmi: Executes one or several WMI requests
T1082 has_wmi: Executes one or several WMI requests
T1518 locates_browser: Attempts to identify where browsers are installed
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

Other

network_bind: Starts servers listening at None
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