Managed XDR

accounts.xls — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
accounts.xls
Тип файла
Composite Document File V2 Document, Little Endian, Os: Windows, Version 5.2, Code page: 1252, Author: administrator, Last Saved By: administrator, Name of Creating Application: Microsoft Excel, Create Time/Date: Sun Apr 8 16:32:24 2012, Last Saved Time/Date: Sun Apr 8 16:48:31 2012, Security: 0
Размер файла
452 KB
Первое обнаружение
Последнее обнаружение

Окружение

win7/x86 en

Хеши

SHA1
38dc22b88d49b18e6f68d184e9e02ccbaf18e4ab
SHA256
feb673bfe76fa4d3e8116c8abf344e6a719cf436e4e89be42e5fbf9d5ce5b45e
MD5
48cd36af66cd6c2b65dcd272cfeec26e

Сигнатуры

Execution

T1203 office_write_exe: Office document dropped an executable file
T1559 suspicious_process: Spawns a suspicious process
T1064 office_macros: The document contains macroses (total: 4)
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)

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1574 dropper_dll: Creates DLL, which is then loaded into the process
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

T1112 stealth_hiddenreg: Attempts to change Explorer settings so that hidden files won't be displayed
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1564.001 stealth_file: Creates hidden or system files
T1562.004 firewall_add_rule: Modifies Firewall rules
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 antivm_queries_computername: Retrieves the computer name
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1027.002 nsis_archive: One of the packages is NSIS archive
T1027.002 packer_vb: The executable file is packed using VB
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: 4)
T1064 office_macros_autoexec: The document contains an auto-start macro
T1480 system_default_lang_id_present: Checks the system language
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Credential Access

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)
T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
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 antivm_queries_computername: Retrieves the computer name
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
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
T1135 server_share_info: Retrieves information about each shared resource on a server

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)
T1113 screenshot_file: Possibly, makes a screenshot and saves it to a file

Other

yara_rules: Static rules
office_embedded: Office document contains embedded executable file(s)
creates_exe: Creates executable files in the file system
creates_in_windows: Creates files in the Windows directory
copies_self: Creates a copy of itself
network_bind: Starts servers listening at 0.0.0.0:443
dead_host: Connects to IP addresses that do not respond to requests
http_file_not_found: Attempts to download EXE or DLL file but receives HTML with an error
executes_dropped_exe: Executes dropped exe files
unexpected_exception: Unexpected exception
office_summary: The document contains suspicious metadata
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
message_box: Displays a message
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
pe_overlay: PE file contains overlay