Managed XDR

certutil_test.lnk — malware analysis report

File info

Filename
certutil_test.lnk
File type
MS Windows shortcut, Item id list present, Has Relative path, Has command line arguments, Icon, 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
864 Bytes
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
fbd562c7ed5be6bcc66a6e1ff7afb5d879440265
SHA256
e797162ec1fe6b3b39b0fd1be0ed1c8715549c954121cd53c6eee0712ea8c4af
MD5
0ae887558b0b76a7dcc7f7ca428aa7c4

Signatures

Execution

T1204 suspicious_lnk: LNK file with suspicious content
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 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey

Credential Access

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

Discovery

T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey

Command and Control

T1071 network_irc: Connects to the IRC server, probably a botnet part
T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_openurl: Performs HTTP/HTTPS-requests using InternetOpenUrl

Other

certutil_download: Download file using certutil
creates_in_windows: Creates files in the Windows directory
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
Managed XDR