Managed XDR

firefox.lnk — malware analysis report

File info

Filename
firefox.lnk
File type
MS Windows shortcut, Item id list present, Points to a file or directory, Has Description string, Has Relative path, Has Working directory, Has command line arguments, Icon number=0, Archive, ctime=Thu Feb 15 23:31:25 2024, mtime=Wed Jan 22 20:06:09 2025, atime=Fri Mar 8 17:26:20 2024, length=671648, window=hide
File size
1.8 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
fd0ae269a00ab04a4bbbea24cedcb0fcfbb5cc27
SHA256
a75757206e1ff302f0707f5854d8720d0ec2f9ce3fcbb59110d527b9f9cd9b84
MD5
51984576e83057dd74c3ee9f602dfa0d

Signatures

Execution

T1059.001 url_cmdline: Cmdline of process contains URL
T1059.003 url_cmdline: Cmdline of process contains URL

Persistence

T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key
T1574 dropper_dll: Creates DLL, which is then loaded into the process
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

T1574.011 persistence_services: Modifies Services registry key
T1497.001 antivm_queries_computername: Retrieves the computer name
T1480 system_default_lang_id_present: Checks the system language
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Discovery

T1518.001 antiav_detectservice: Attempts to detect installed antiviruses by a certain service
T1518 recon_programs: Collects information about installed programs
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antivm_queries_computername: Retrieves the computer name
T1016 get_hostname: Attempts to get hostname

Command and Control

T1071.001 network_http: Performs HTTP requests

Impact

T1485 deletes_files: Removes 100 or more files from C: drive
T1489 service_control_stop: Stops services via ControlService

Other

dns_without_resolve: DNS query without a response
dead_host: Connects to IP addresses that do not respond to requests
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
creates_exe: Creates executable files in the file system
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
writes_data: Writes big amount of data to disk
suricata_alert: Malicious traffic detected
yara_rules: Static rules