Managed XDR

vtdl_nmakqz8a — malware analysis report

File info

Filename
vtdl_nmakqz8a
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: -535, Author: Administrator, Last Saved By: Phm Th Hong, Name of Creating Application: Microsoft Excel, Create Time/Date: Sat Jan 7 22:58:55 2023, Last Saved Time/Date: Thu Oct 26 10:02:55 2023, Security: 0
File size
474.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
04919e8841d40d70d1c89c134553a06dc659a2c2
SHA256
647d3e21d3f5d3818ea5fb2851e6da576738e792937b3c3179c8ea087b1dad4b
MD5
17eb21b4aff74a5a2c724a3b285f0042

Signatures

Execution

T1064 office_macros: The document contains macroses (total: 6)
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

T1096 persistence_ads: Creates Alternate Data Stream (ADS)
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1064 office_macros: The document contains macroses (total: 6)
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
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
office_summary: The document contains suspicious metadata
creates_suspended_process: Creates suspended process
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