Managed XDR

vtdl_eotordo9 — malware analysis report

File info

Filename
vtdl_eotordo9
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.2, Code page: 936, Author: Zhilong, SHEN(GFMC ISIT ITS-SZ-TCT), Name of Creating Application: Microsoft Excel, Create Time/Date: Thu Aug 2 09:17:01 2018, Last Saved Time/Date: Wed Aug 8 03:44:58 2018, Security: 0
File size
1.2 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
db59c828de43a334673ebf0d0ef19bd4180d5293
SHA256
87ce7ad91ae0146af7a48223bca4ce1ddf1e5519b7e39fca21476b5dade36180
MD5
9507cbf8dc20aea58a21c39d326a2bea

Signatures

Execution

T1064 office_macros: The document contains macroses (total: 4)
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

T1027 office_macros_hex_strings: Lines in hex found in document macro
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: 4)
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
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