Managed XDR

vtdl__91i80ct — malware analysis report

File info

Filename
vtdl__91i80ct
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 949, Name of Creating Application: Microsoft Excel, Create Time/Date: Thu Dec 23 23:29:28 2021, Last Saved Time/Date: Wed Mar 6 08:04:17 2024, Security: 0
File size
964 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
f5a9c6244a9bdcb979b5377bcb20e1255aa997c5
SHA256
35689af17a24106e0c50d44095b28b54610ee737bf65048a1c1fbbde3c94a4c8
MD5
9415c0d2f72470066f2c77661a4d3087

Signatures

Execution

T1064 office_macros: The document contains macroses (total: 2)
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: 2)
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
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