Managed XDR

vtdl_1778665396_5tdsh8ik — malware analysis report

File info

Filename
vtdl_1778665396_5tdsh8ik
File type
SMTP mail, UTF-8 Unicode text, with CRLF line terminators
File size
11.8 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
a698b9e64f89ff8ea4f08b977b0bfc6f7c8b2c0f
SHA256
8b0d40666c4ff7025af5d4546627e7d25134fd0cdf726fd3bd80c64eaa61795f
MD5
21c843e1553eb4dbac3972a6b15854e0

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

Execution

T1059 network_wscript_downloader: Wscript.exe initiated network communication
T1059.005 bad_vbs: Suspicious VBScript file
T1059.005 obfuscated_vbs: Detected obfuscated VBS
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests
T1059.003 suspicious_process: Spawns a suspicious process
T1059.003 executes_dropped_cmd: Executes dropped batch files
T1059.001 url_cmdline: Cmdline of process contains URL
T1059.003 url_cmdline: Cmdline of process contains URL

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
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 obfuscated_vbs: Detected obfuscated VBS
T1070 stealth_window: A process created a hidden window
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
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
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)
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Credential Access

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

Discovery

T1057 has_wmi: Executes one or several WMI requests
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1082 has_wmi: Executes one or several WMI requests
T1518 locates_browser: Attempts to identify where browsers are installed
T1135 server_share_info: Retrieves information about each shared resource on a server
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)
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Command and Control

T1071 network_wscript_downloader: Wscript.exe initiated network communication
T1102.003 cloud_google: Connects to cloud services of Google (potentially for malicious payload delivery)
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1102.003 cloud_gofile: Connects to cloud services of Gofile (potentially for malicious payload delivery)

Other

suricata_alert: Malicious traffic detected
suspicious_pdf_link: PDF file with suspicious hyperlink or content
network_bind: Starts servers listening at None
creates_exe: Creates executable files in the file system
suspicious_pdf: PDF file with suspicious content
pdf_page: Contains only one page
executes_dropped_exe: Executes dropped exe files
create_rpc_bindings: Creates RPC connection
pdf_compressed_stream: Contains an object with compressed stream
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
test_check_service: Starts services
office_links: Office file contains external links
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk
Managed XDR