Managed XDR

c-windows-utqf9u.exe — malware analysis report

File info

Filename
c-windows-utqf9u.exe
File type
SMTP mail, UTF-8 Unicode text, with CRLF line terminators
File size
1.7 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
f38b0d9a07c7393d54a42eda2d88d0eb8e0f9cb1
SHA256
d1bb53a3cd6eb92f4fbcea55cb9f8ff9eee7c90687f72a50ffda2090695c4beb
MD5
5e346a5312df30f08118ac19fed44a63

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

Execution

T1059.007 bad_js: Suspicious Javascript file
T1059.001 suspicious_process: Spawns a suspicious process
T1059.001 suspicious_powershell: Creates suspicious PowerShell process
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests

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
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
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

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

Discovery

T1082 has_wmi: Executes one or several WMI requests
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1057 has_wmi: Executes one or several WMI requests
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

Command and Control

T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

suricata_alert: Malicious traffic detected
network_bind: Starts servers listening at None
creates_exe: Creates executable files in the file system
suspicious_explorer_cmdline: Starts explorer.exe process with suspicious command line
network_powershell: PowerShell process network connection detected
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
pdf_compressed_stream: Contains an object with compressed stream
creates_suspended_process: Creates suspended process
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
encoded_c2_in_pe: Possibly an encoded URL or IP address in PE file
yara_rules: Static rules