Managed XDR

5775103d-83a9-4c4d-a207-00936b928495.eml (Remcos) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
5775103d-83a9-4c4d-a207-00936b928495.eml
Тип файла
HTML document, ASCII text, with CRLF line terminators
Размер файла
835.6 KB
Первое обнаружение
Последнее обнаружение

Окружение

w10/x64 en

Хеши

SHA1
3b2f799a76b331d66ac0f160c6f94f717b810aa3
SHA256
3d6975d7cc70dddda62b9ed51c7c2fef00db59aaf1649acb54b59af1aaba748f
MD5
33a000bba161c293eeba40afe1903961

Вредоносное ПО

  • Remcos

Сигнатуры

Execution

T1059.001 suspicious_powershell: Creates suspicious powershell process
T1059 powershell_cmd_longcommandline: Suspiciously long commandline
T1059.001 suspicious_process: Spawns a suspicious process
T1059.003 suspicious_process: Spawns a suspicious process
T1059.003 executes_dropped_cmd: Executes dropped batch files
T1059.003 suspicious_batch: Suspicious batch

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
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

T1562 dep_disable: Disables DEP
T1497 debugs_self: Creates a process and debugs it
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1027 many_env_vars: An extensive number of environment variables has been created (possible sign of obfuscation)
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name
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 infostealer_browser: Retrieves personal information from local Internet browsers
T1503 infostealer_browser: Retrieves personal information from local Internet browsers
T1552 infostealer_mail: Collects personal data from local email clients
T1552 infostealer_im: Collects information about installed messengers
T1555.003 cookie_files: Accesses cookie files
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager
T1552 cookie_files: Accesses cookie files
T1003.001 dumps_lsass: Dumps lsass.exe process (probably, to extract credentials)

Discovery

T1497 debugs_self: Creates a process and debugs it
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1057 process_interest: Enumerates processes
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name

Collection

T1114 infostealer_mail: Collects personal data from local email clients

Other

creates_exe: Creates executable files in the file system
ps_ep_changed: Changes Powershell execution policy
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
test_check_service: Starts services
open_winlogon_process: Trying to open winlogon process
yara_rules: Static rules

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