Managed XDR

vtdl_jq1w7js9 — malware analysis report

File info

Filename
vtdl_jq1w7js9
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 936, Author: ial1, Last Saved By: Grace Guo Xiao Qian (CN-SZP ECU Worldwide), Name of Creating Application: Microsoft Excel, Last Printed: Thu Feb 22 09:52:56 2024, Create Time/Date: Mon Mar 13 05:36:49 2006, Last Saved Time/Date: Thu Feb 22 09:54:23 2024, Security: 0
File size
115 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
bc0ad3a091723bb7fd8e8560b8d44b002799ee53
SHA256
042b653e54445eb0a45181d8996ac4d5154d546c7e54b34c0fbd92870b60f9ed
MD5
67e09dcc620a812663bd4b3b082bd705

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

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
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining

Other

yara_rules: Static rules
creates_doc: Creates (office) documents in the file system
office_summary: The document contains suspicious metadata
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