Managed XDR

vtdl_kut84lom — malware analysis report

File info

Filename
vtdl_kut84lom
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: -535, Author: Thnh An Trng, Last Saved By: Admin, Name of Creating Application: Microsoft Excel, Create Time/Date: Tue Jan 23 02:38:33 2024, Last Saved Time/Date: Mon Jan 29 02:14:48 2024, Security: 0
File size
45 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
86f9f66123d3102bff4d6306e98551c4ad702ee1
SHA256
4d6d4d9ea5ae4051f4fe27e3e73691b0840cc9cb161c5d8f2f22fb03e7861421
MD5
558ce8d4cd0477933d9ecd21808a30c0

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

T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_autoexec: The document contains an auto-start 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
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

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