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 Description string, Has command line arguments, Icon, Archive, ctime=Wed Feb 14 11:34:19 2024, mtime=Wed Sep 30 00:00:12 2026, atime=Wed Feb 14 11:34:19 2024, length=455680, window=
File size
3.9 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
5836413200b2aaf9d7e7f4de2cf88fb665190c7b
SHA256
c550a85b580410c8d7ca8a7e728b128e03da58b1e95398d54bd41da32bfc43e5
MD5
65ca6b23092ae8d419c2f3e3f1b24802

Signatures

Execution

T1059.001 suspicious_powershell: Creates suspicious PowerShell process
T1059.001 suspicious_process: Spawns a suspicious process
T1059.003 suspicious_process: Spawns a suspicious process
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests

Privilege Escalation

T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1564.001 stealth_file: Creates hidden or system files
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
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Credential Access

T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager
T1003 lolbin_cmdkey: Uses Cmdkey to list cached credentials

Discovery

T1033 recon_beacon: The process has sent information about the computer over the network
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1082 has_wmi: Executes one or several WMI requests
T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
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 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey

Command and Control

T1071.001 recon_beacon: The process has sent information about the computer over the network
T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

suricata_alert: Malicious traffic detected
network_bind: Starts servers listening at None
creates_exe: Creates executable files in the file system
network_powershell: PowerShell process network connection detected
creates_suspended_process: Creates suspended process
creates_in_programdata: Creates files in the ProgramData directory
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
yara_rules: Static rules