Managed XDR

vtdl_1748723775_gn0xt3u7 — malware analysis report

File info

Filename
vtdl_1748723775_gn0xt3u7
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.2, Code page: 936, Author: Kingsley Zhang, Last Saved By: xb21cn, Name of Creating Application: Microsoft Excel, Create Time/Date: Mon Jan 4 06:03:36 2021, Last Saved Time/Date: Tue Jan 12 02:21:25 2021, Security: 0
File size
479 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
836e8798f1fa1b811e0a2b943d745a98f4b5035d
SHA256
e96aeada292db21036a18ab620fe9af5a8f7aa0682d34e25ea9fd2bf92fe9f26
MD5
140891df6caf4a34ab594f29301e2771

Signatures

Execution

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

T1564 office_vba_stomping: VBA Stomping was detected in the document (the VBA source code and P-code are different)
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

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
break_limit_exceeded: Warning: function calls limit has been exceeded
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