Managed XDR

fwd_-new-purchase-order-for-august.eml (Thanos, AsyncRAT) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
fwd_-new-purchase-order-for-august.eml
Тип файла
ASCII text, with very long lines, with CRLF line terminators
Размер файла
712 KB
Первое обнаружение
Последнее обнаружение

Окружение

win7/x86 en

Хеши

SHA1
68d116ed14f344d355740b0abb84f920c6c33a32
SHA256
f2605e2b9277586483ac9a89f5238b876a701904b2ed12ee452d648bee780b3f
MD5
dd5b8ef9d72c4153d7acf32f9c3d4bea

Вредоносное ПО

  • Thanos
  • AsyncRAT

Сигнатуры

Execution

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1059.001 suspicious_powershell: Creates suspicious powershell process
T1047 has_wmi: Executes one or several WMI requests
T1059.003 executes_dropped_cmd: Executes dropped batch files

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
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

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1564.001 stealth_file: Creates hidden or system files
T1036.001 invalid_authenticode: Digital signature of one or several attached files has failed to be verified
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1562.001 windows_defender_add_exclusion: Adds a path to Microsoft Defender exclusion list
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
T1070 stealth_window: A process created a hidden window

Credential Access

T1003.001 dumps_lsass: Dumps lsass.exe process (probably, to extract credentials)

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1518.001 wmi_check_av: Uses WMI to check for installed antivirus software
T1082 has_wmi: Executes one or several WMI requests
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1082 reads_csrss: Attempts to read csrss.exe memory

Command and Control

T1102.003 references_discord: Contains links to cloud services of Discord (potentially for malicious payload delivery)

Other

yara_rules: Static rules
steganographic_png: Possible malicious steganographic PNG
suricata_alert: Malicious traffic detected
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
copies_self: Creates a copy of itself
pdf_page: Contains only one page
create_rpc_bindings: Creates RPC connection
pdf_compressed_stream: Contains an object with compressed stream
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
get_policy_info: Retrieves information about a Policy object
asyncrat_mutexes: Creates mutexes typical for AsyncRAT
office_links: Office file contains external links
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay
dotnet_suspicious_module_name: Dotnet program has suspicious module name

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