Managed XDR

vtdl_4qypj5w7 — malware analysis report

File info

Filename
vtdl_4qypj5w7
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1258, Author: Minh Khoi, Last Saved By: Windows User, Name of Creating Application: Microsoft Excel, Last Printed: Mon Jan 22 07:59:59 2024, Create Time/Date: Fri Oct 15 10:33:36 2010, Last Saved Time/Date: Mon Jan 22 08:00:54 2024, Security: 0
File size
1.3 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
df91d3ab60978404ebb8f6c18253b69dcda48bf2
SHA256
e56dfb22b3554d8ace909562118ddfcf4c16f05c1d6e35564fc3825ad1c9ede2
MD5
5c07a352acc5b8944326728f7eef120c

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
office_suspicious_data: Office file contains suspicious data
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