Managed XDR

vtdl_9a1809en — malware analysis report

File info

Filename
vtdl_9a1809en
File type
SMTP mail, ASCII text, with very long lines, with CRLF line terminators
File size
1.6 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
8de063e6566e0a725f834332e057cd009862e869
SHA256
0a7834f89090e367cc06f3b685343b21409180843bb10aa0005a464cb0d552e6
MD5
dbd73cd70bab8cc35291eec11421dd6c

Signatures

Execution

T1059 autoit: AutoIt script execution detected
T1204.002 mimics_extension: Attempts to mimic the file extension
T1047 has_wmi: Executes one or several WMI requests

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

T1036 mimics_extension: Attempts to mimic the file extension
T1036.001 invalid_authenticode: Digital signature of one or several attached files has failed to be verified
T1140 unpacking_utilities: Uses Windows utilities to unpack data
T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1070 stealth_window: A process created a hidden window

Discovery

T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1057 process_interest: Enumerates processes
T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1016.001 system_network_configuration_discovery: System network configuration discovery detected
T1082 reads_csrss: Attempts to read csrss.exe memory

Command and Control

T1568.002 dga_domains: Connects to DGA domains

Other

yara_rules: Static rules
drops_interpreter: Creates intrepreter binary file
creates_exe: Creates executable files in the file system
pdf_page: Contains only one page
dns_without_resolve: DNS query without a response
process_crashed: One of the processes has failed
pdf_compressed_stream: Contains an object with compressed stream
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
office_links: Office file contains external links
pe_overlay: PE file contains overlay
executes_dropped_exe: Executes dropped exe files