Managed XDR

si-7294-nmcs.docx (XWorm) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
si-7294-nmcs.docx
Тип файла
Microsoft Word 2007+
Размер файла
35.3 KB
Первое обнаружение
Последнее обнаружение

Окружение

win7/x86 en

Хеши

SHA1
70cdf8b2bad2b4e1c4c0312a0140ab901d056245
SHA256
22cab4d2954e34039a6ffdca84ed1ede197d12f95bb7580db3d11cde12b7974b
MD5
0037ee3d6613d13ad239a8915c333107

Вредоносное ПО

  • XWorm

Сигнатуры

Execution

T1059 network_wscript_downloader: Wscript.exe initiated network communication
T1203 exploit_CVE_2017_11882: Exploits CVE-2017-11882 vulnerability
T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1059.007 bad_js: Suspicious Javascript file
T1059 autoit: AutoIt script execution detected
T1059 suspicious_process: Spawns a suspicious process
T1059.003 suspicious_process: Spawns a suspicious process
T1064 office_macros_suspicious: Document contains suspicious macro
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1064 office_macros: The document contains macroses (total: 2)
T1064 office_macros_strings: Feature lines found in document macro

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
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

T1218 bypass_dev_utils: Executing .NET utility in a suspended state, potentially for injection
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1221 office_attached_template: Office file downloads a suspicious template from the Internet
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1564.001 stealth_file: Creates hidden or system files
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1064 office_macros_suspicious: Document contains suspicious macro
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1064 office_macros: The document contains macroses (total: 2)
T1064 office_macros_strings: Feature lines found in document macro
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Credential Access

T1552 cookie_files: Accesses cookie files
T1555.003 cookie_files: Accesses cookie files

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1057 process_interest: Enumerates processes
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1083 checks_recent_files: Attempt to check recently opened files through registry
T1135 server_share_info: Retrieves information about each shared resource on a server
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining

Command and Control

T1071 network_wscript_downloader: Wscript.exe initiated network communication
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
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Exfiltration

T1022 encrypts_pc_info: Collects and encrypts information about the computer (possibly for exfiltration)

Other

yara_rules: Static rules
executes_dropped_exe: Executes dropped exe files
creates_exe: Creates executable files in the file system
drops_interpreter: Creates intrepreter binary file
multiple_useragents: Uses more than one unique User-Agent
suspicious_process_network: Unusual process network activity detected
creates_doc: Creates (office) documents in the file system
dead_host: Connects to IP addresses that do not respond to requests
unexpected_exception: Unexpected exception
office_summary: The document contains suspicious metadata
office_suspicious_data: Office file contains suspicious data
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call
suricata_alert: Malicious traffic detected

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