Managed XDR

vtdl_lzamnafo — malware analysis report

File info

Filename
vtdl_lzamnafo
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: -535, Author: Do Hiep, Last Saved By: L Th Dung, Name of Creating Application: Microsoft Excel, Last Printed: Mon Jan 22 01:37:39 2024, Create Time/Date: Fri Aug 26 21:52:26 2022, Last Saved Time/Date: Mon Jan 22 01:53:29 2024, Security: 0
File size
119 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
07b0fec6fc90ad0e6fab3c4db476e37df795b849
SHA256
3a1188833aaeb991f18777e7a3ac64db985a9d60f4f696924a037516ea2e7e15
MD5
d32c1354711c49e2838b326b32c15de1

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

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: 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
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
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