Managed XDR

c-users-user-appdata-l...pswithfrenchlov-1-.doc (Agent Tesla) — malware analysis report

File info

Filename
c-users-user-appdata-local-microsoft-windows-temporary-internet-files-content.ie5-4o50k461-mexicoi...ntireheartbeartbecauseits-20verysweethearttandloveyoutruly___iwannakissyoulipswithfrenchlov-1-.doc
File type
Rich Text Format data, version 1, unknown character set
File size
68.3 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
35774a1c9c5490d0abd7f60d736d445001a91024
SHA256
6b8f341b1a23664a28bb338949d79b28a736239a3e1b2caafd8c42c8a8c5de95
MD5
a3bb1fc3f40cb5cd59a2a99cbfcf7c54

Malwares

  • Agent Tesla

Signatures

Execution

T1059.001 suspicious_powershell: Suspicious document behaviour (creates powershell process)
T1059 network_wscript_downloader: Wscript.exe initiated network communication
T1203 exploit_CVE_2017_11882: Exploits CVE-2017-11882 vulnerability
T1059 powershell_cmd_longcommandline: Suspiciously long commandline
T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1203 office_exploit_ftp: The document exhibits suspicious behaviour (performs FTP requests)
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests
T1059 suspicious_process: Spawns a suspicious process
T1059.001 suspicious_process: Spawns a suspicious process
T1059.005 obfuscated_vbs: Detected obfuscated VBS
T1059.001 url_cmdline: Cmdline of process contains URL
T1059.003 url_cmdline: Cmdline of process contains URL

Privilege Escalation

T1055.002 inject_write_pe: Writes PE file to another process's memory
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

T1218 bypass_dev_utils: Executing .NET utility in a suspended state, potentially for injection
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1027 obfuscated_vbs: Detected obfuscated VBS
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)

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
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

T1057 has_wmi: Executes one or several WMI requests
T1082 has_wmi: Executes one or several WMI requests
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1083 checks_recent_files: Attempt to check recently opened files through registry
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)

Collection

T1114 infostealer_mail: Collects personal data from local email clients

Command and Control

T1071 network_wscript_downloader: Wscript.exe initiated network communication
T1071.001 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1071.002 office_exploit_ftp: The document exhibits suspicious behaviour (performs FTP requests)
T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.004 office_exploit_dns: The document exhibits suspicious behaviour (performs DNS requests)
T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
code_share_services: Connects to text storage services (potentially for malicious payload delivery)
creates_exe: Creates executable files in the file system
creates_in_windows: Creates files in the Windows directory
network_suspicious_ftp: Performs suspicious FTP requests
ip_domains: Identifies an IP address using external resources
suspicious_process_network: Unusual process network activity detected
unexpected_exception: Unexpected exception
network_ftp: Performs FTP requests
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
suricata_alert: Malicious traffic detected
ce_info: FTP credentials Configuration Data found

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