Managed XDR

test.pdf.lnk — malware analysis report

File info

Filename
test.pdf.lnk
File type
MS Windows shortcut, Item id list present, Points to a file or directory, Has Relative path, Has command line arguments, Icon, Archive, ctime=Sat May 8 08:14:50 2021, mtime=Sat May 8 08:14:50 2021, atime=Sat May 8 08:14:50 2021, length=45056, window=hidenormalshowminimized
File size
1.4 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
1a62447e69e16e75afc07ed79e7e423108e81526
SHA256
99f326f6725d5479efc6c5b7ce527a61bb4b2afa52d57d3b4c2006403b59b6c6
MD5
9f353dd1107427a79d8a348349e5f79b

Signatures

Execution

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 url_cmdline: Cmdline of process contains URL
T1059.003 url_cmdline: Cmdline of process contains URL

Defense Evasion

T1218 suspicious_cmdline: Executes a suspicious command
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
T1218 suspicious_cmdline_keywords: Cmdline with suspicious keywords

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

Other

suricata_alert: Malicious traffic detected
network_bind: Starts servers listening at None
suspicious_process_network: Unusual process network activity detected
no_graphical_activity: No graphic activity
creates_suspended_process: Creates suspended process
malware_cmdline: Suspicious words in the command line
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
regsvr_scriptlet_ex: Uses regsvr32 for scriptlet execution, perhaps for AWL bypass
yara_rules: Static rules