Managed XDR

vtdl_1753699762_du2lx007 — malware analysis report

File info

Filename
vtdl_1753699762_du2lx007
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 5.1, Code page: 936, Name of Creating Application: Microsoft Excel, Last Printed: Sat Mar 1 05:52:22 2014, Create Time/Date: Mon Jul 13 02:46:12 2009, Last Saved Time/Date: Sat Mar 1 06:45:05 2014, Number of Pages: 0, Number of Words: 0, Number of Characters: 0, Security: 0
File size
784.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
c17efbfe2508bf443953cde750482888b29e7881
SHA256
6c88bbce3ffd59cccba413ec9bf0c6dbd2a7334cf0ecb764b97f96717904a733
MD5
2a1ea73d83dcee17d346fe5f16c0dc6f

Signatures

Execution

T1203 office_exploit_creates_cmd: The document exhibits suspicious behaviour (creates a cmd.exe process)
T1059 suspicious_process: Spawns a suspicious process
T1064 office_macros_hidden: Document contains suspicious Excel 4.0 macro
T1064 office_macros_suspicious: Document contains suspicious macro
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1106 susp_callbacks: Suspicious usage of some WinAPI with callbacks
T1064 office_macros: The document contains macroses (total: 5)
T1064 office_macros_strings: Feature lines found in document macro
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

T1064 office_macros_hidden: Document contains suspicious Excel 4.0 macro
T1562.001 office_security: Attempts to modify Microsoft Office security settings
T1064 office_macros_suspicious: Document contains suspicious 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
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1064 office_macros: The document contains macroses (total: 5)
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_autoexec: The document contains an auto-start macro
T1070 stealth_window: A process created a hidden window

Discovery

T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
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
break_limit_exceeded: Warning: function calls limit has been exceeded
message_box: Displays a message
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
Managed XDR