Managed XDR

vtdl_41yblxlg — malware analysis report

File info

Filename
vtdl_41yblxlg
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1200, Locale ID: 2052, Author: , Create Time/Date: Thu Jul 8 05:30:24 2010, Last Saved Time/Date: Thu Oct 27 03:26:08 2022, Last Printed: Wed Mar 6 01:22:23 2019, Name of Creating Application: Microsof, Security: 0
File size
87.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
ee9bc735e925f11c04c28a98e0dde4c26f9a3fe5
SHA256
c9504f6f1f8d53d25fbf8fb8ced5d2a0b43bf3f4c9dc6e4b8525c0ffbdf32a03
MD5
705514028961eb767184790447020d35

Signatures

Execution

T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_strings: Feature lines found in document macro
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_entropy: The document contains a macro with high entropy (a possible sign of obfuscation)
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_strings: Feature lines found in document macro
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

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1083 checks_recent_files: Attempt to check recently opened files through registry
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
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

Impact

T1565 modifies_hostfile: Writes data to system hosts file

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
office_summary: The document contains suspicious metadata
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