Managed XDR

c-users-user-appdata-l....f3b-doc595846.pdf.lnk — malware analysis report

File info

Filename
c-users-user-appdata-local-temp-elx5gt2b.f3b-doc595846.pdf.lnk
File type
MS Windows shortcut, Item id list present, Has Working directory, Has command line arguments, Icon, Archive, ctime=Mon Jan 1 00:00:00 1601, mtime=Mon Jan 1 00:00:00 1601, atime=Mon Jan 1 00:00:00 1601, length=0, window=hidenormalshowminimized
File size
1.4 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
05239b170333c0946275dbdb13396e5b5ba2e568
SHA256
e64f75f3b673c1d42c2e25db2b405fb37840fcceda8aca52ffd55da7362c14ba
MD5
4ab1ef77de85e2fe2d030f54b02c4368

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
T1059.005 bad_vbs: Suspicious VBScript file

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 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1070.004 self_removal_command: Executes command to delete itself

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
T1082 has_wmi: Executes one or several WMI requests
T1057 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 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
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

creates_in_windows: Creates files in the Windows directory
network_bind: Starts servers listening at 127.0.0.1:0, None
creates_exe: Creates executable files in the file system
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