Managed XDR

vtdl_1789871549_f2k31gp2 — malware analysis report

File info

Filename
vtdl_1789871549_f2k31gp2
File type
Microsoft Excel 2007+
File size
30.6 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
beafca81eb8df84f83d11a4a140ca781b06122a7
SHA256
3471cf7659841f5f761aa633c3ac3b8cafc67bdc9c1f1edee6950c8265f18cb7
MD5
f2a18fc83054590943253788cb77bec2

Signatures

Execution

T1203 office_runs_dll: Suspicious document behavior (tries to execute DLL file in hidden window)
T1203 office_write_exe: Office document dropped an executable file
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
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: 2)

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
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1055 injection_failed: The attempt to inject into a process has failed
T1064 office_macros: The document contains macroses (total: 2)

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
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
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 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
http_file_not_found: Attempts to download EXE or DLL file but receives HTML with an error
creates_suspended_process: Creates suspended process
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services