Managed XDR

vtdl_1778605113_umwirl61 — malware analysis report

File info

Filename
vtdl_1778605113_umwirl61
File type
news or mail, ASCII text, with CRLF line terminators
File size
1.1 MB
First seen
Last seen

Environment

win7/x64 en

Hashes

SHA1
f32a483fae9e8f2ac389ee7f2cd7b16390602f85
SHA256
90b88b73389d4bc8a35ee9d7dc7f2dc5463dda56ffdc96c5ea299c70f47b470e
MD5
c06159cb8b3e71f270d3b4c7494c195a

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

Execution

T1203 office_write_exe: Office document dropped an executable file
T1203 office_exploit_crash: Microsoft Office process crashes (failed exploitation of a vulnerability is possible)
T1559.001 com_exec: Execution of Win32_Process.Create COM Method

Persistence

T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key

Privilege Escalation

T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key
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

T1218.011 rundll_shell32: Uses ShellExec_RunDLL to run an executable file
T1574.011 persistence_services: Modifies Services registry key
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
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
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

Discovery

T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
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

T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

yara_rules: Static rules
office_embedded: Office document contains embedded executable file(s)
copies_self: Creates a copy of itself
creates_exe: Creates executable files in the file system
process_crashed: One of the processes has failed
no_graphical_activity: No graphic activity
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
Managed XDR