Managed XDR

vtdl_r_vxr8fl — malware analysis report

File info

Filename
vtdl_r_vxr8fl
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 936, Author: Peter Cheng, Last Saved By: Xiaoyi Qian, 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: Sat Jan 20 01:11:15 2024, Security: 0
File size
569 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
bdfc4436f2da7da1bce48c0a72582388a39126ea
SHA256
6504b6e8216fad6198bc070c3e7bebe0f8cc5d5a0327e87af05300853f559f1c
MD5
ea147bc888852791e2443a8b3f1053c8

Signatures

Execution

T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_autoexec: The document contains an auto-start macro
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

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
T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_autoexec: The document contains an auto-start macro
T1027 office_macros_entropy: The document contains a macro with high entropy (a possible sign of obfuscation)
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 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
creates_doc: Creates (office) documents in the file system
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