Managed XDR

vtdl_1789889959_1mk4ykcs — malware analysis report

File info

Filename
vtdl_1789889959_1mk4ykcs
File type
Microsoft Excel 2007+
File size
40.8 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
cac434c60f4011fc34ead50450dc87bbbd0d3724
SHA256
7d3b7fea114752d240bb02995036330036b23d107b95ed1d487f8ad04bac1ba4
MD5
275f78b134be33de38775e7d01192d60

Signatures

Execution

T1203 office_runs_dll: Suspicious document behavior (tries to execute DLL file in hidden window)
T1203 office_exploit_http: The document exhibits suspicious behavior (performs HTTP requests)
T1559 suspicious_process: Spawns a suspicious process
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

creates_exe: Creates executable files in the file system
network_bind: Starts servers listening at None
creates_suspended_process: Creates suspended process
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services