Managed XDR

vtdl_1788183195_ik_n8yrs — malware analysis report

File info

Filename
vtdl_1788183195_ik_n8yrs
File type
news or mail, UTF-8 Unicode text, with very long lines, with CRLF, LF line terminators
File size
3 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
bd7707854a9f39e78f22e49e87c9c548eb6329b9
SHA256
09abda29682545c5591f148b13b0b56f93d903d2543fd5ea096e50fb08866ec2
MD5
2bc80caae04d1a376a300f9e3b98776d

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

Execution

T1059.001 suspicious_powershell: Creates suspicious PowerShell process
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler

Privilege Escalation

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
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 antisandbox_productid: Obtains Windows ProductID, probably to fingerprint a sandbox
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
T1497.001 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

Credential Access

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

Discovery

T1497.001 antisandbox_productid: Obtains Windows ProductID, probably to fingerprint a sandbox
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
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
T1497.001 antivm_queries_computername: Retrieves the computer name

Command and Control

T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1102.003 references_github: Contains links to cloud services of Github (potentially for malicious payload delivery)

Other

creates_in_windows: Creates files in the Windows directory
network_bind: Starts servers listening at None
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
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