Managed XDR

vtdl_1781076980_53czc108 (Remcos) — malware analysis report

File info

Filename
vtdl_1781076980_53czc108
File type
SMTP mail, ASCII text, with CRLF line terminators
File size
3.4 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
c87f1cbed0b4a66c806d557efa43b7057a36a00e
SHA256
fb613908cb6db56c03028fd523ab8ffd3abc9fdde12d77b917042f8a707d3377
MD5
09c5c54936315e6f6545707d18cce670

Malwares

  • Remcos

Signatures

Execution

T1059.007 bad_js: Suspicious Javascript file
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

T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.002 antisandbox_foregroundwindows: Checks whether any human activity is being performed by constantly checking whether the foreground window has changed
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1070 stealth_window: A process created a hidden window
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

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.002 antisandbox_foregroundwindows: Checks whether any human activity is being performed by constantly checking whether the foreground window has changed
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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

Collection

T1115 checks_clipboard: Monitors clipboard data

Command and Control

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

Other

executes_dropped_exe: Executes dropped exe files
creates_exe: Creates executable files in the file system
network_bind: Starts servers listening at None
dead_host: Connects to IP addresses that do not respond to requests
unexpected_exception: Unexpected exception
no_graphical_activity: No graphic activity
creates_suspended_process: Creates suspended process
creates_in_programdata: Creates files in the ProgramData directory
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
yara_rules: Static rules

Related reports

Managed XDR