Managed XDR

vtdl_e8dynchg — malware analysis report

File info

Filename
vtdl_e8dynchg
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1252, Author: Win 8.1 Version 2, Last Saved By: Admin, Name of Creating Application: Microsoft Excel, Last Printed: Wed Jun 19 03:03:23 2024, Create Time/Date: Tue Mar 1 03:43:53 2016, Last Saved Time/Date: Sun Jun 23 04:09:19 2024, Security: 0
File size
1.9 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
8fbe10a6a28accb4e3fe540d32ee654331d71469
SHA256
cf98bd5f89edc1873c6f710ce22a4a4d4098befea425a68cb3b817a83c09516c
MD5
6bc3b0bfd3972c02f5d2a3529348fa4d

Signatures

Execution

T1064 office_macros: The document contains macroses (total: 190)
T1064 office_macros_autoexec: The document contains an auto-start macro
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)

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
T1064 office_macros: The document contains macroses (total: 190)
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

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
T1082 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

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
test_check_service: Starts services
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call