Managed XDR

vtdl_3rv5aaug — malware analysis report

File info

Filename
vtdl_3rv5aaug
File type
CDFV2 Microsoft Outlook Message
File size
30.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
63ea12dfa6f4d02ad77a5983e79de6d026764e27
SHA256
13764653158ec6590a501f5b2fc933cb00f8eb0d580687ecbdcbc60340efa449
MD5
4e89a9be7f15a968006e2a0c51a27f79

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

Execution

T1059 network_wscript_downloader: Wscript.exe initiated network communication
T1059 cmd_vbs: Uses cmd.exe to generate VBS
T1059.003 suspicious_process: Spawns a suspicious process
T1059.003 suspicious_cmd: Executes cmd.exe with a suspicious command line
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests
T1059.005 obfuscated_vbs: Detected obfuscated VBS
T1059 wscript_info_discovery: Collects info about system with Wscript.Shell
T1059.005 obfuscated_vbs_wmi: Suspicious WMI queries from VBScript file

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

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1070 stealth_window: A process created a hidden window
T1027 suspicious_cmd: Executes cmd.exe with a suspicious command line
T1027 obfuscated_vbs: Detected obfuscated VBS
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027 obfuscated_vbs_wmi: Suspicious WMI queries from VBScript file
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

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1082 has_wmi: Executes one or several WMI requests
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1082 wscript_info_discovery: Collects info about system with Wscript.Shell

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

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
modifies_certs: Attempts to generate or modify system certificates
suspicious_process_network: Unusual process network activity detected
unexpected_exception: Unexpected exception
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
message_box: Displays a message
get_policy_info: Retrieves information about a Policy object