Managed XDR

bay-island-honduras-22...105226-testing-sp-.msg (Agent Tesla) — malware analysis report

File info

Filename
bay-island-honduras-2220105226-testing-sp-bay-island-honduras-2220105226-testing-sp-.msg
File type
CDFV2 Microsoft Outlook Message
File size
1.2 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
dbbfffeb8bffca1fe3aa5c1df5b2e4dd1493afb4
SHA256
63eaf44478c771081c14ea7bf90d0977713de66f92957e12685667340eee6a11
MD5
79903679ca9a1cef5930a4e293daea8a

Malwares

  • Agent Tesla

Signatures

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

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
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
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_network_adapters: Checks NIC addresses
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1562.001 windows_defender_add_exclusion: Adds a path to Microsoft Defender exclusion list
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
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

T1082 has_wmi: Executes one or several WMI requests
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1057 has_wmi: Executes one or several WMI requests
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antivm_network_adapters: Checks NIC addresses

Collection

T1114 infostealer_mail: Collects personal data from local email clients

Other

yara_rules: Static rules
pe_in_bcryptdecrypt: PE found in BCryptDecrypt function
ip_domains: Identifies an IP address using external resources
static_pe_anomaly: The PE file structure contains anomalies
suspicious_process_network: Unusual process network activity detected
dead_host: Connects to IP addresses that do not respond to requests
has_suspicious_pdb: This executable file has a suspicious PDB path
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
suricata_alert: Malicious traffic detected

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