Managed XDR

vtdl_1789877273_mupbayyu — malware analysis report

File info

Filename
vtdl_1789877273_mupbayyu
File type
Microsoft Excel 2007+
File size
190.7 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
0a25e20a7405763981d346d76ed3fcd5ef22d063
SHA256
75471dafcca78f66616a7279c851cf68b063672e35d651e7ceb5576fdcd629c4
MD5
0b5917f6de9d12982440284298293aec

Signatures

Execution

T1203 office_exploit_http: The document exhibits suspicious behavior (performs HTTP requests)
T1064 office_macros_hidden: Document contains suspicious Excel 4.0 macro
T1064 office_macros: The document contains macroses (total: 2)
T1204.002 office_com_load: Microsoft Office loads COM DLL files (indicator of COM usage in macros)

Privilege Escalation

T1055 injection_failed: The attempt to inject into a process has failed

Defense Evasion

T1064 office_macros_hidden: Document contains suspicious Excel 4.0 macro
T1064 office_macros: The document contains macroses (total: 2)
T1055 injection_failed: The attempt to inject into a process has failed
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization

Credential Access

T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1518 locates_browser: Attempts to identify where browsers are installed
T1083 checks_recent_files: Attempt to check recently opened files through registry
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization

Command and Control

T1071.001 office_exploit_http: The document exhibits suspicious behavior (performs HTTP requests)
T1071.004 office_exploit_dns: The document exhibits suspicious behavior (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

network_bind: Starts servers listening at None
dns_without_resolve: DNS query without a response
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services