Managed XDR

20250520_fp_100_33.eml (Agent Tesla) — malware analysis report

File info

Filename
20250520_fp_100_33.eml
File type
UTF-8 Unicode text
File size
941.9 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
471e08fef465450f9511ca6215e8235cc6e2a4f0
SHA256
5d48bc061db498ffcd5c131c63803aad360f4366b20be0918eeb3dd397a39aff
MD5
ff7eca4380c05e02deeeab689196ad24

Malwares

  • Agent Tesla

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

Execution

T1059.001 suspicious_powershell: Creates suspicious powershell process
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

Privilege Escalation

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
T1055 injection_failed: The attempt to inject into a process has failed

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
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1562 registry_hide_tracing: Modifies File/Console tracing settings (often used to hide iocs from the system)
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
T1070 stealth_window: A process created a hidden window
T1055 injection_failed: The attempt to inject into a process has failed
T1562.001 windows_defender_add_exclusion: Adds a path to Microsoft Defender exclusion list

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

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
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
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antivm_queries_computername: Retrieves the computer name

Collection

T1114 infostealer_mail: Collects personal data from local email clients

Command and Control

T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.001 network_http: Performs HTTP requests

Other

yara_rules: Static rules
steganographic_png: Possible malicious steganographic PNG
unpacker_wrong_base: Possibly, an error occured in the file unpacker
ip_domains: Identifies an IP address using external resources
dead_host: Connects to IP addresses that do not respond to requests
no_graphical_activity: No graphic activity
dotnet_suspicious_resources_names: Dotnet program has suspicious resources names
create_rpc_bindings: Creates RPC connection
pdf_compressed_stream: Contains an object with compressed stream
creates_suspended_process: Creates suspended process
dotnet_obfuscated: Dotnet program is potentially obfuscated
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
office_links: Office file contains external links
checktokenmembership: Checks user token with CheckTokenMembership call
dotnet_suspicious_entrypoint: Dotnet program has suspicious entrypoint
suricata_alert: Malicious traffic detected
dotnet_suspicious_module_name: Dotnet program has suspicious module name

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