Managed XDR

vtdl_ywebc_af — malware analysis report

File info

Filename
vtdl_ywebc_af
File type
Microsoft Excel 2007+
File size
830.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
63a279e62913386afb7912b4230ab4654535db27
SHA256
895c2cf17c7e74f91468efce98c69eed7df3b48ab654f208f046b6e0f9505eab
MD5
e16a23c3a62434356515638d759132a0

Signatures

Execution

T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros: The document contains macroses (total: 24)
T1064 office_macros_autoexec: The document contains an auto-start macro
T1204 office_mshtml_load: Microsoft Office loads MSHTML DLL files (indicator of ActiveX usage)
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_suspicious: Document contains suspicious macro
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1064 office_macros: The document contains macroses (total: 24)
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

T1518 locates_browser: Attempts to identify where browsers are installed
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
T1083 checks_recent_files: Attempt to check recently opened files through registry

Other

yara_rules: Static rules
create_rpc_bindings: Creates RPC connection
break_limit_exceeded: Warning: function calls limit has been exceeded
error_drawtext: An error occured while executing the file
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