Managed XDR

vtdl_1744300570_xo00i2bg (Agent Tesla) — malware analysis report

File info

Filename
vtdl_1744300570_xo00i2bg
File type
SMTP mail, UTF-8 Unicode text, with CRLF line terminators
File size
66.8 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
681df00a4a3e1ea058a8e1dea83895ee0b3bfdad
SHA256
703e6a491c5bd0769f7ffe4eecd18a43c5480992dcb12477f7c15dc4febc768f
MD5
9c1860a644dae6888bc5b58d0901a4da

Malwares

  • Agent Tesla

Signatures

Execution

T1059 network_wscript_downloader: Wscript.exe initiated network communication
T1203 office_exploit_creates_cmd: The document exhibits suspicious behaviour (creates a cmd.exe process)
T1059.001 suspicious_powershell: Creates suspicious powershell process
T1203 chm_run_process: Windows HtmlHelp file runs an application
T1059.001 suspicious_process: Spawns a suspicious process
T1059.003 executes_dropped_cmd: Executes dropped batch files
T1059.005 obfuscated_vbs: Detected obfuscated VBS
T1059.003 suspicious_batch: Suspicious batch

Privilege Escalation

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

T1218.001 chm_run_process: Windows HtmlHelp file runs an application
T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1027 obfuscated_vbs: Detected obfuscated VBS
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Command and Control

T1071 network_wscript_downloader: Wscript.exe initiated network communication
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
suricata_alert: Malicious traffic detected
code_share_services: Connects to text storage services (potentially for malicious payload delivery)
modifies_certs: Attempts to generate or modify system certificates
creates_exe: Creates executable files in the file system
get_policy_info: Retrieves information about a Policy object
checktokenmembership: Checks user token with CheckTokenMembership call

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