Managed XDR

c1r4755t104661231.eml — malware analysis report

File info

Filename
c1r4755t104661231.eml
File type
SMTP mail, UTF-8 Unicode text
File size
59.5 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
341f589da05b78e53ae3347daa8229a4cac64a75
SHA256
f4f4855ec8af0cdcb90bd6c3bae3433d1ba460ae00302e2ecdd5b8fbf742ba75
MD5
8238352949091db856373d15daa7417b

Signatures

Execution

T1059.007 bad_js: Suspicious Javascript file
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

Persistence

T1176 browser_addon: Installs browser extension

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
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
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
T1070 stealth_window: A process created a hidden window
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

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
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
T1497.001 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 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

network_bind: Starts servers listening at None
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
creates_suspended_process: Creates suspended process
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services