Managed XDR

vtdl_stc3s69h — malware analysis report

File info

Filename
vtdl_stc3s69h
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: user, Template: Normal, Last Saved By: george, Revision Number: 7, Name of Creating Application: Microsoft Office Word, Total Editing Time: 01:00, Create Time/Date: Thu Nov 17 06:58:00 2016, Last Saved Time/Date: Tue Mar 5 15:50:00 2024, Number of Pages: 1, Number of Words: 0, Number of Characters: 2, Security: 0
File size
664 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
18019244e6a1acaab0b9c1ed5103c7a6c8033a41
SHA256
d54d0d4ef784ed2949a1b9f553576a8ae5373e8202de26fb5b3f0f759999bdb6
MD5
d94b381de3139f36a77dc3b4637010e0

Signatures

Execution

T1203 office_write_exe: Office document dropped an executable file
T1059 suspicious_process: Spawns a suspicious process
T1064 office_macros: The document contains macro
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_autoexec: The document contains an auto-start macro
T1059 wscript_info_discovery: Collects info about system with Wscript.Shell
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)

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

T1064 office_macros: The document contains macro
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_autoexec: The document contains an auto-start macro
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Discovery

T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1135 server_share_info: Retrieves information about each shared resource on a server
T1033 wscript_info_discovery: Collects info about system with Wscript.Shell

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
office_summary: The document contains suspicious metadata
create_rpc_bindings: Creates RPC connection
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
checktokenmembership: Checks user token with CheckTokenMembership call