Managed XDR

vtdl_7ckl8zki — malware analysis report

File info

Filename
vtdl_7ckl8zki
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.2, Code page: 1252, Author: Vu Quang Thang, Last Saved By: DELL, Name of Creating Application: Microsoft Excel, Last Printed: Fri Mar 6 09:22:28 2015, Create Time/Date: Wed Jan 13 02:31:00 2010, Last Saved Time/Date: Thu Apr 20 07:44:57 2023, Security: 0
File size
69.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
08068a02edccedc6ff866c031b026b5f64da2243
SHA256
b697778632d19bad6566127ff0f709afc41461b46486fd15898bf52095b84938
MD5
bd15d0b130e67f5fc85d2bd58660f9c0

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: 4)
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

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
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
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: 4)
T1064 office_macros_autoexec: The document contains an auto-start macro

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
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
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
checktokenmembership: Checks user token with CheckTokenMembership call