Managed XDR

vtdl_f08kboab — malware analysis report

File info

Filename
vtdl_f08kboab
File type
Microsoft Excel 2007+
File size
3.9 MB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
492370b06eb89debb42719030fefd30879bf017e
SHA256
cb83adcafdb66e6b28191b7119b0d9efcb69035d72db3a6747d083aff14424e3
MD5
08ac486177a915e862c265c7e1de2063

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

Execution

T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros: The document contains macroses (total: 59)
T1064 office_macros_strings: Feature lines found in document macro
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)
T1204.002 office_com_load: Microsoft Office loads COM DLL files (indicator of COM usage in macros)

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
T1064 office_macros: The document contains macroses (total: 59)
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

Discovery

T1083 checks_recent_files: Attempt to check recently opened files through registry

Command and Control

T1071.001 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1071.004 office_exploit_dns: The document exhibits suspicious behaviour (performs DNS requests)
T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

unexpected_exception: Unexpected exception
create_rpc_bindings: Creates RPC connection
break_limit_exceeded: Warning: function calls limit has been exceeded
test_check_service: Starts services
office_links: Office file contains external links