Managed XDR

vtdl_by5r5a9p (XWorm) — malware analysis report

File info

Filename
vtdl_by5r5a9p
File type
MS Windows shortcut, Item id list present, Points to a file or directory, Has Relative path, Has Working directory, Has command line arguments, Icon number=0, Archive, ctime=Mon Oct 30 09:59:20 2023, mtime=Mon Oct 30 09:59:20 2023, atime=Mon Oct 30 09:59:20 2023, length=278528, window=hidenormalshowminimized
File size
1.9 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
001bd074ae8920fa37a7d715f9cc0d0cf0be480b
SHA256
acd7f55413bbe52b6b983c39f2b500549e42c2a9004b787e34aa51c4fb5df85a
MD5
7090a00b0ffe8874e1d5ad1162e3ec76

Malwares

  • XWorm

Signatures

Execution

T1059.001 suspicious_powershell: Creates suspicious powershell process
T1059 network_wscript_downloader: Wscript.exe initiated network communication
T1204 suspicious_lnk: LNK file with suspicious content
T1059 powershell_cmd_longcommandline: Suspiciously long commandline
T1059.001 suspicious_process: Spawns a suspicious process
T1059.003 executes_dropped_cmd: Executes dropped batch files
T1047 has_wmi: Executes one or several WMI requests
T1059.005 obfuscated_vbs: Detected obfuscated VBS
T1059.001 url_cmdline: Cmdline of process contains URL
T1059.003 url_cmdline: Cmdline of process contains URL
T1059.005 bad_vbs: Suspicious VBScript file

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
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

T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1218 suspicious_cmdline: Executes a suspicious command
T1027 obfuscated_vbs: Detected obfuscated VBS
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
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
T1518.001 wmi_check_av: Uses WMI to check for installed antivirus software
T1057 has_wmi: Executes one or several WMI requests
T1082 has_wmi: Executes one or several WMI requests
T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)

Collection

T1560.001 archive_via_utility: Detected archiving data via utility

Command and Control

T1071 network_wscript_downloader: Wscript.exe initiated network communication
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

Exfiltration

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

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
networkdyndns_checkip: Connects to a Dynamic DNS domain
code_share_services: Connects to text storage services (potentially for malicious payload delivery)
creates_exe: Creates executable files in the file system
runs_utility_without_cmdline: Runs system utility without arguments (non-typical usage)
network_powershell: Powershell process network connection detected
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
test_check_service: Starts services

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