Managed XDR

vtdl_nyy_i2xo — malware analysis report

File info

Filename
vtdl_nyy_i2xo
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.2, Code page: 1258, Author: TTHTXH, Last Saved By: admin, Name of Creating Application: Microsoft Excel, Last Printed: Tue Jan 23 04:20:02 2024, Create Time/Date: Tue Aug 5 07:18:41 2008, Last Saved Time/Date: Thu Jan 25 07:52:45 2024, Security: 0
File size
37.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
581d7270ac2d64d4466b882d082668139f552eba
SHA256
0af383139d1a3ac8fe0bd0bb5f14238612e8ef7eac4a6bf00daddd686f94d8de
MD5
b19811448d18698b6eb3103488feda8c

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
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
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1083 checks_recent_files: Attempt to check recently opened files through registry

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