Managed XDR

vtdl_3vvrj8ru — malware analysis report

File info

Filename
vtdl_3vvrj8ru
File type
MS Windows shortcut, Item id list present, Has Description string, Has Relative path, Has command line arguments, Icon number=70, ctime=Mon Jan 1 00:00:00 1601, mtime=Mon Jan 1 00:00:00 1601, atime=Mon Jan 1 00:00:00 1601, length=0, window=hidenormalshowminimized
File size
2 MB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
a5f93eeb9d9de5694b193263b5ef2c98bcdfff95
SHA256
16c5de25abf832d88ac0b1e1cea56d1c63c1bff73a02d72ba8e494383f04dc90
MD5
3971540a21881d615645ed19c59089dc

Signatures

Execution

T1059.001 suspicious_powershell: Creates suspicious powershell process
T1072 detect_putty: Traces typical for Putty are detected in the system
T1059.001 suspicious_process: Spawns a suspicious process
T1059.001 url_cmdline: Cmdline of process contains URL
T1059.003 url_cmdline: Cmdline of process contains URL

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

T1218 suspicious_cmdline: Executes a suspicious command
T1564.001 stealth_file: Creates hidden or system files
T1562 modify_uac_prompt: Attempts to modify UAC pop-up window behavior
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1216 suspicious_syncappvpublishingserver: Creates suspicious SyncAppvPublishingServer process
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name
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

T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name

Lateral Movement

T1072 detect_putty: Traces typical for Putty are detected in the system

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

yara_rules: Static rules
create_process_failed: Could not start the process
suspicious_process_network: Unusual process network activity detected
network_powershell: Powershell process network connection detected
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call