Managed XDR

vtdl_a_l_3bmz (Remcos) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
vtdl_a_l_3bmz
Тип файла
CDFV2 Microsoft Outlook Message
Размер файла
961.5 KB
Первое обнаружение
Последнее обнаружение

Окружение

w10/x86 en

Хеши

SHA1
d92897b1b5ab5555abf1f7fc37a9cbb970ffc5f9
SHA256
00283dda700cfead821767928372463ca970401182618e6ef43640abb87293a9
MD5
f1fe72c23daf36e720ddd77b8cfe1244

Вредоносное ПО

  • Remcos

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
T1059.001 suspicious_process: Spawns a suspicious process
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 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
T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1036.001 invalid_authenticode: Digital signature of one or several attached files has failed to be verified
T1562 dep_disable: Disables DEP
T1497.002 antisandbox_foregroundwindows: Checks whether any human activity is being performed by constantly checking whether the foreground window has changed
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1027.004 compiles_code: Compiles VB.NET code
T1497.001 antivm_queries_computername: Retrieves the computer name
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1480 system_default_lang_id_present: Checks the system language

Credential Access

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Discovery

T1497.002 antisandbox_foregroundwindows: Checks whether any human activity is being performed by constantly checking whether the foreground window has changed
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antivm_queries_computername: Retrieves the computer name

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)
T1115 checks_clipboard: Monitors clipboard data

Other

yara_rules: Static rules
ce_info: Remcos Configuration Data found
creates_exe: Creates executable files in the file system
runs_utility_without_cmdline: Runs system utility without arguments (non-typical usage)
copies_self: Creates a copy of itself
dead_host: Connects to IP addresses that do not respond to requests
executes_dropped_exe: Executes dropped exe files
dotnet_suspicious_resources_names: Dotnet program has suspicious resources names
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
dotnet_import_unmanaged_code: Dotnet program statically imports unmanaged functions/modules
break_limit_exceeded: Warning: function calls limit has been exceeded
static_compression_ratio: Very high compression ratio of a file
creates_in_programdata: Creates files in the ProgramData directory
suspicious_network_port: Performs TCP or UDP request to non-standard port
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay
static_big_overlay: Executable file contains an enormously big overlay
dotnet_suspicious_module_name: Dotnet program has suspicious module name

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