Managed XDR

c-users-user-appdata-l...444015725_09072020.doc — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
c-users-user-appdata-local-temp-pamwlbfo.0dc-complaint_letter_444015725_09072020.doc
Тип файла
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.2, Code page: 1251, Author: Windows, Template: Normal.dotm, Last Saved By: Windows, Revision Number: 9, Name of Creating Application: Microsoft Office Word, Total Editing Time: 03:00, Create Time/Date: Tue Sep 8 12:33:00 2020, Last Saved Time/Date: Tue Sep 8 12:37:00 2020, Number of Pages: 1, Number of Words: 0, Number of Characters: 1, Security: 0
Размер файла
429.5 KB
Первое обнаружение
Последнее обнаружение

Окружение

win7/x86 en

Хеши

SHA1
73a12fe410df4d6455b6d58cb3942d7ef592bfbd
SHA256
93b3b39a801bb4ba0754da97f8a9eec36bc0a52d302eede9103c2fd2ff22ba7b
MD5
8c6b39d9cee8b7b59e295558719d1982

Сигнатуры

Execution

T1059.001 suspicious_powershell: Suspicious document behaviour (creates powershell process)
T1203 office_write_exe: Office document dropped an executable file
T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1059.001 suspicious_process: Spawns a suspicious process
T1059.003 suspicious_process: Spawns a suspicious process
T1559 suspicious_process: Spawns a suspicious process
T1059 explorer_run_script: Runs a script through explorer.exe
T1059.003 executes_dropped_cmd: Executes dropped batch files
T1059.005 obfuscated_vbs: Detected obfuscated VBS
T1059.001 url_cmdline: Cmdline of process contains URL
T1059.003 url_cmdline: Cmdline of process contains URL
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1064 office_macros: The document contains macro
T1064 office_macros_autoexec: The document contains an auto-start macro

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

T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1027 obfuscated_vbs: Detected obfuscated VBS
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1064 office_macros: The document contains macro
T1064 office_macros_autoexec: The document contains an auto-start macro
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

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

Discovery

T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1083 checks_recent_files: Attempt to check recently opened files through registry
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1135 server_share_info: Retrieves information about each shared resource on a server

Command and Control

T1071.001 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.004 office_exploit_dns: The document exhibits suspicious behaviour (performs DNS requests)
T1071.001 network_http: Performs HTTP requests

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
creates_exe: Creates executable files in the file system
create_process_failed: Could not start the process
dead_link: Attempts to run a file from a dead or blocked URL
suspicious_explorer_cmdline: Starts explorer.exe process with suspicious command line
http_file_not_found: Attempts to download EXE or DLL file but receives HTML with an error
office_summary: The document contains suspicious metadata
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call