Managed XDR

vtdl_3bi_0msa — malware analysis report

File info

Filename
vtdl_3bi_0msa
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 936, Author: Peter Cheng, Last Saved By: Xue Li2278237, Name of Creating Application: Microsoft Excel, Last Printed: Fri Jan 5 23:30:51 2024, Create Time/Date: Thu May 12 12:21:40 2022, Last Saved Time/Date: Tue Jan 23 05:04:39 2024, Security: 0
File size
611.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
463b94c0879cca2f4220fb876da59fbdb43e4e25
SHA256
77d0a332fc636d23b83c086f303a5d9c7a0e3c042a641e80e24ba8b4ccf37215
MD5
032bf1e41b58fdcd2d4ae7fe68eaf6fe

Signatures

Execution

T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1064 office_macros: The document contains macroses (total: 13)
T1064 office_macros_autoexec: The document contains an auto-start macro

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

T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
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 office_macros_entropy: The document contains a macro with high entropy (a possible sign of obfuscation)
T1064 office_macros: The document contains macroses (total: 13)
T1064 office_macros_autoexec: The document contains an auto-start macro

Discovery

T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining

Other

yara_rules: Static rules
office_summary: The document contains suspicious metadata
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