Managed XDR

vtdl_vsg__ysn — malware analysis report

File info

Filename
vtdl_vsg__ysn
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: Vu Thi Khanh Ly, Last Saved By: Vu Thi Khanh Ly, Name of Creating Application: Microsoft Excel, Create Time/Date: Wed Mar 13 10:53:21 2024, Last Saved Time/Date: Wed Mar 13 10:53:24 2024, Security: 0
File size
40.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
71bb875b350db9f41b6da648d5b3e8296bc07a55
SHA256
895124f3f8ffcf32bcccf27fb1922f31376a3d1ab08ab710e9fca03570a0560e
MD5
43c134767ed5aa5bfc89ba315d7644f8

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
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
checktokenmembership: Checks user token with CheckTokenMembership call