Managed XDR

vtdl_iac53_nw — malware analysis report

File info

Filename
vtdl_iac53_nw
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1258, Author: andongnhi, Last Saved By: 21AK22.COM, Name of Creating Application: Microsoft Excel, Last Printed: Fri Feb 24 01:59:42 2023, Create Time/Date: Tue May 26 07:29:52 2020, Last Saved Time/Date: Thu Feb 22 08:53:14 2024, Security: 0
File size
48.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
f358bcf6d13c4cda36d7e71dfb536c4250121879
SHA256
940ab86bf81b480fa036dc15fafd151365494e2d6f61d249eba985b4d604c3fa
MD5
e9aec9ec9a4943edc422eecf0235ddfa

Signatures

Execution

T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1064 office_macros: The document contains macroses (total: 5)
T1064 office_macros_autoexec: The document contains an auto-start macro

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
T1027 office_macros_entropy: The document contains a macro with high entropy (a possible sign of obfuscation)
T1064 office_macros: The document contains macroses (total: 5)
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

Credential Access

T1552 cookie_files: Accesses cookie files
T1555.003 cookie_files: Accesses cookie files

Discovery

T1497 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
T1135 server_share_info: Retrieves information about each shared resource on a server
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
office_summary: The document contains suspicious metadata
create_rpc_bindings: Creates RPC connection
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