Managed XDR

vtdl_wibarvyb — malware analysis report

File info

Filename
vtdl_wibarvyb
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1252, Author: KD2, Last Saved By: Nguyen, Name of Creating Application: Microsoft Excel, Create Time/Date: Fri Mar 3 01:17:52 2017, Last Saved Time/Date: Tue Mar 5 03:24:58 2024, Security: 0
File size
81.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
5caffa1c01f6a726354ad7738675997637b5789a
SHA256
5b93d6e88e6cb14093ff85def55c7856ed687c82eabf0df5af7629157a2c33cd
MD5
944e3816dc23de132560f9385fa93fd5

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

T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_autoexec: The document contains an auto-start macro
T1027 office_macros_entropy: The document contains a macro with high entropy (a possible sign of obfuscation)
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

T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1135 server_share_info: Retrieves information about each shared resource on a server
T1083 checks_recent_files: Attempt to check recently opened files through registry

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