Managed XDR

vtdl_d72vv4tv — malware analysis report

File info

Filename
vtdl_d72vv4tv
File type
Microsoft Excel 2007+
File size
686 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
774dcdcbbe55f31de4ca1606801507cf81cac085
SHA256
c577718c955b2811209cc804346214059f4132b6c0eb676040e09652620fe8bd
MD5
6e01299ffeecc25385e4542215d9ae30

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

Execution

T1203 office_exploit_creates_cmd: The document exhibits suspicious behaviour (creates a cmd.exe process)
T1064 office_macros_suspicious: Document contains suspicious macro
T1059.003 executes_dropped_cmd: Executes dropped batch files
T1204.002 office_strings: Office file contains suspicious strings
T1064 office_macros: The document contains macroses (total: 36)
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_autoexec: The document contains an auto-start macro
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)

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

T1027 office_macros_hex_strings: Lines in hex found in document macro
T1064 office_macros_suspicious: Document contains suspicious macro
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1064 office_macros: The document contains macroses (total: 36)
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_autoexec: The document contains an auto-start macro

Discovery

T1083 checks_recent_files: Attempt to check recently opened files through registry
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1082 fingerprint_to_file: Collects data about system and user and writes it to a text file
T1082 recon_systeminfo: Collects system information (ipconfig, netstat, systeminfo, net)
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1016 system_network_configuration_discovery: System network configuration discovery detected

Other

creates_exe: Creates executable files in the file system
break_limit_exceeded: Warning: function calls limit has been exceeded
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card