Managed XDR

vtdl_nt_1feht (XWorm) — malware analysis report

File info

Filename
vtdl_nt_1feht
File type
RAR archive data, v5
File size
5 MB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
fe9a74ca96ec4c9bb02e8f86551596c3cb62e0f3
SHA256
2a5c54ac85ad0f4e27daa03408be39b06ca525d33fef8555b8e6262628ff5496
MD5
da29db1f209cfcfac961cd653904dfa4

Malwares

  • XWorm

Signatures

Execution

T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests

Privilege Escalation

T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
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

T1497.001 antivm_sandboxie: Attempts to detect Sandboxie
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.001 antivm_network_adapters: Checks NIC addresses
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
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

T1497.001 antivm_sandboxie: Attempts to detect Sandboxie
T1082 has_wmi: Executes one or several WMI requests
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.001 antivm_network_adapters: Checks NIC addresses
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name

Command and Control

T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.001 network_http: Performs HTTP requests

Exfiltration

T1022 encrypts_pc_info: Collects and encrypts information about the computer (possibly for exfiltration)

Other

yara_rules: Static rules
ip_domains: Identifies an IP address using external resources
process_crashed: One of the processes has failed
unexpected_exception: Unexpected exception
create_rpc_bindings: Creates RPC connection
dotnet_import_unmanaged_code: Dotnet program statically imports unmanaged functions/modules
message_box: Displays a message
error_drawtext: An error occured while executing the file
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
dotnet_suspicious_entrypoint: Dotnet program has suspicious entrypoint
suricata_alert: Malicious traffic detected
many_files_in_archive: The archive contains more than 5 files

Related reports