Managed XDR

vtdl_1784035040_tznhc30f — malware analysis report

File info

Filename
vtdl_1784035040_tznhc30f
File type
Zip archive data, at least v2.0 to extract
File size
15.8 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
0ffa18838e7176a59c6c89c5e5b6814fa5082109
SHA256
e39d86e5d67add89d3077c8ecc1058910ccff1ff2b2489181566df359aa3f531
MD5
79427ddc1f79536a875c2065df91b6b2

Signatures

Execution

T1059.003 suspicious_process: Spawns a suspicious process
T1072 sniffer_winpcap: Installs WinPCAP
T1047 has_wmi: Executes one or several WMI requests

Persistence

T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

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

T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1497.001 antivm_network_adapters: Checks NIC addresses
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1480 system_default_lang_id_present: Checks the system language
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1027.002 packer_entropy: Probably contains compressed or encrypted data
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)

Credential Access

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

Discovery

T1057 process_interest: Enumerates processes
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1497.001 antivm_network_adapters: Checks NIC addresses
T1518 locates_browser: Attempts to identify where browsers are installed
T1057 has_wmi: Executes one or several WMI requests
T1016 get_hostname: Attempts to get hostname
T1016.001 system_network_configuration_discovery: System network configuration discovery detected
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)

Lateral Movement

T1072 sniffer_winpcap: Installs WinPCAP

Command and Control

T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

suricata_alert: Malicious traffic detected
network_bind: Starts servers listening at None
creates_exe: Creates executable files in the file system
only_exec_in_archive: The archive contains only an executable file
no_graphical_activity: No graphic activity
cve_2020_1599: PE file contains scripts in overlay
create_rpc_bindings: Creates RPC connection
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
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay
yara_rules: Static rules