Managed XDR

munseo.eml — malware analysis report

File info

Filename
munseo.eml
File type
HTML document, ASCII text, with CRLF line terminators
File size
156.2 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
b42eab8e8587f49abe55f0d18e99f973dac4b89d
SHA256
a3d8c40080fd323458141c4b1ad17375b6919813701fac2d5fb0dfdf7a9563e7
MD5
9f333b4345a61022c96b4567e3049156

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

Execution

T1203 office_exploit_creates_process: The document exhibits suspicious behavior (spawns a process)
T1203 office_exploit_http: The document exhibits suspicious behavior (performs HTTP requests)
T1059.003 suspicious_process: Spawns a suspicious process
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests
T1204.002 office_com_load: Microsoft Office loads COM DLL files (indicator of COM usage in macros)

Privilege Escalation

T1055 injection_failed: The attempt to inject into a process has failed

Defense Evasion

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1055 injection_failed: The attempt to inject into a process has failed

Credential Access

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

Discovery

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1057 has_wmi: Executes one or several WMI requests
T1082 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 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1083 checks_recent_files: Attempt to check recently opened files through registry

Command and Control

T1071.001 office_exploit_http: The document exhibits suspicious behavior (performs HTTP requests)
T1071.004 office_exploit_dns: The document exhibits suspicious behavior (performs DNS requests)
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
T1102.003 references_discord: Contains links to cloud services of Discord (potentially for malicious payload delivery)

Other

suricata_alert: Malicious traffic detected
network_bind: Starts servers listening at None
suspicious_process_network: Unusual process network activity detected
office_summary: The document contains suspicious metadata
creates_suspended_process: Creates suspended process
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
office_links: Office file contains external links
js_suspicious: Suspicious javascript
yara_rules: Static rules