Managed XDR

c-users-user-appdata-l...-2dlbfdhu.grn-.pdf.lnk — malware analysis report

File info

Filename
c-users-user-appdata-local-temp-2dlbfdhu.grn-.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 number=0, Archive, ctime=Sat May 8 08:14:00 2021, mtime=Sat May 8 08:14:00 2021, atime=Sat May 8 08:14:00 2021, length=250880, window=hide
File size
352.9 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
b4a873659dae45e3300c4e2494d03cea3f3bbaf4
SHA256
44dc1939dcaea681f5c39ed6f5f81a80ca5f59e72be7f938ac3afe5adb484042
MD5
ea346f9f4baa4ddc72d08a1d65d1a6bf

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

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
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

T1105 cmdline_curl: Uses curl utility for network data transferring
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

network_bind: Starts servers listening at None
dead_host: Connects to IP addresses that do not respond to requests
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