Managed XDR

4.20240528.20241214.25....cvspambo002.wmail.eml (Agent Tesla) — malware analysis report

File info

Filename
4.20240528.20241214.257229.18978.139685766612736.1.spamreport.web.cvspambo002.wmail.eml
File type
HTML document, ASCII text, with CRLF line terminators
File size
469.1 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
4e3335d9b56c61c5b662c7f8bc0c7123145f46c5
SHA256
fbcf76e9920a7768216be83dbf7e99770c7210d3d745815d006978aaab7faa7c
MD5
b780c952e0e95f6bb8ac0acaaaaec13f

Malwares

  • Agent Tesla

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

Execution

T1204.002 mimics_extension: Attempts to mimic the file extension
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
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

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1036 mimics_extension: Attempts to mimic the file extension
T1564.001 stealth_file: Creates hidden or system files
T1564.004 removes_zoneid_ads: Attempts to hide the indications that the file was downloaded from the Internet
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.001 antivm_network_adapters: Checks NIC addresses
T1497.001 antivm_queries_computername: Retrieves the computer name
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
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

T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1503 infostealer_browser: Retrieves personal information from local Internet browsers
T1552 infostealer_mail: Collects personal data from local email clients
T1552 infostealer_ftp: Collects data from local FTP clients
T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)
T1552.001 infostealer_winscp: Collects information from configuration file of WinSCP
T1552.001 infostealer_vpn: Collects information about installed VPN software
T1555.003 cookie_files: Accesses cookie files
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager
T1552 cookie_files: Accesses cookie files

Discovery

T1033 recon_beacon: The process has sent information about the computer over the network
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
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
T1497.001 antivm_network_adapters: Checks NIC addresses
T1497.001 antivm_queries_computername: Retrieves the computer name

Collection

T1114 infostealer_mail: Collects personal data from local email clients
T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)
T1115 checks_clipboard: Monitors clipboard data

Command and Control

T1071.001 recon_beacon: The process has sent information about the computer over the network

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
modifies_certs: Attempts to generate or modify system certificates
network_suspicious_ftp: Performs suspicious FTP requests
copies_self: Creates a copy of itself
ip_domains: Identifies an IP address using external resources
creates_exe: Creates executable files in the file system
network_ftp: Performs FTP requests
no_graphical_activity: No graphic activity
creates_suspended_process: Creates suspended process
dotnet_import_unmanaged_code: Dotnet program statically imports unmanaged functions/modules
dotnet_obfuscated: Dotnet program is potentially obfuscated
get_policy_info: Retrieves information about a Policy object
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
dotnet_use_suspicious_functions: Dotnet program potentially uses suspicious functions/modules
dotnet_suspicious_entrypoint: Dotnet program has suspicious entrypoint
dotnet_suspicious_module_name: Dotnet program has suspicious module name
ce_info: FTP credentials Configuration Data found

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