Managed XDR

4.20260608.20261225.46....cvspambo003.wmail.eml (FormBookFormgrabber) — malware analysis report

File info

Filename
4.20260608.20261225.465779.3468.140232976496384.1.spamreport.web.cvspambo003.wmail.eml
File type
HTML document, ASCII text, with CRLF line terminators
File size
584.8 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
a425a6873b2c8835533565dcfdd669104fcf74a4
SHA256
a7f47d35c8b3d51d8d7234dd2da47724791a5e6cfc3de8d64f830a241efcd753
MD5
5ff6fcefece1fd5fec1d102580648050

Malwares

  • FormBookFormgrabber

Signatures

Execution

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
T1059.001 suspicious_process: Spawns a suspicious process
T1059.003 suspicious_batch: Suspicious batch

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
T1027 many_env_vars: An extensive number of environment variables has been created (possible sign of obfuscation)
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1562.001 amsi_patching_attempt: Attempts to patch Microsoft AMSI protection (amsi.dll)
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 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

yara_rules: Static rules
network_bind: Starts servers listening at None
no_graphical_activity: No graphic activity
creates_suspended_process: Creates suspended process
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services

Related reports

Managed XDR