Managed XDR

bizonon_portal-wbs-20251027.xlsm — malware analysis report

File info

Filename
bizonon_portal-wbs-20251027.xlsm
File type
Microsoft Excel 2007+
File size
617.8 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
3f865d2068185fceb256f7a47cf0eaa41d7d9a81
SHA256
7d42dd2cbb2c1487cfd0edc2eb933d3a9633e8e31d8690cff0de59d647083aa3
MD5
255e645d246790c663b3c177366d4689

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_strings: Feature lines found in document macro
T1064 office_macros_suspicious: Document contains suspicious macro
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)
T1064 office_macros: The document contains macroses (total: 17)
T1064 office_macros_autoexec: The document contains an auto-start macro

Defense Evasion

T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_suspicious: Document contains suspicious macro
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1064 office_macros: The document contains macroses (total: 17)
T1064 office_macros_autoexec: The document contains an auto-start macro

Credential Access

T1552 cookie_files: Accesses cookie files
T1555.003 cookie_files: Accesses cookie files
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
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

Other

test_check_service: Starts services
office_links: Office file contains external links
writes_data: Writes big amount of data to disk