Managed XDR

119.252.155.70_1743505...6.21169.pro-155-70.eml (Agent Tesla) — malware analysis report

File info

Filename
119.252.155.70_1743505656.s.4300316.21169.pro-155-70.eml
File type
SMTP mail, ASCII text, with very long lines
File size
4.1 MB
First seen
Last seen

Environment

win7/x64 en

Hashes

SHA1
f99fca2b1b96ac32cffe8dab56ec6047ffd7a6e2
SHA256
a83a48c7ccac5eb2d3f95f2602af09012b452bce317451d61959ed00d4a4e059
MD5
598840d130a4cd34918e739e8d1e0fe2

Malwares

  • Agent Tesla

Signatures

Execution

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
T1574 dropper_dll: Creates DLL, which is then loaded into the process

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
T1574 dropper_dll: Creates DLL, which is then loaded into the 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
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)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1574 dropper_dll: Creates DLL, which is then loaded into the 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

Credential Access

T1503 infostealer_browser: Retrieves personal information from local Internet browsers
T1552 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

T1012 infostealer_dm: Retrieves sensitive data from download managers
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
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
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Collection

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

Other

yara_rules: Static rules
keylogger_sendsdata_telegram: Keylogger logs keystrokes and sends intercepted data via Telegram
unpacker_wrong_base: Possibly, an error occured in the file unpacker
modifies_certs: Attempts to generate or modify system certificates
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
telegram_api: Telegram Messenger API is used
no_graphical_activity: No graphic activity
valid_authenticode: The digital signature has been verified
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
message_box: Displays a message
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
pe_overlay: PE file contains overlay

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