Managed XDR

vtdl_9yjvrzh9 — malware analysis report

File info

Filename
vtdl_9yjvrzh9
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1252, Author: GO, Last Saved By: LOTTE_PCT, Name of Creating Application: Microsoft Excel, Last Printed: Fri Apr 15 02:59:58 2022, Create Time/Date: Mon Nov 7 03:04:33 2016, Last Saved Time/Date: Sun Apr 30 14:18:37 2023, Security: 0
File size
589.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
465c74994fef5e91bdafff5855b59b8b191198db
SHA256
7c13e2ea8fbfd1e7d69b275a42767b2960d004bbaeefe0a4d2cee1261f6d1369
MD5
deb0a39231ea9af990625a0be236ca84

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: 71)
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: 71)
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
office_summary: The document contains suspicious metadata
create_rpc_bindings: Creates RPC connection
get_policy_info: Retrieves information about a Policy object
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call