Managed XDR

wextract.exe (njRAT) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
wextract.exe
Тип файла
PE32 executable (GUI) Intel 80386, for MS Windows
Размер файла
3.2 MB
Первое обнаружение
Последнее обнаружение

Окружение

win7/x86 en

Хеши

SHA1
68f6f29b7e58aaeed9832f58b3d639c59769bbf5
SHA256
9e0589ad16ae0b70f65aa2e3a8ac43aebd4de453704e82b65879ff8d662d35cf
MD5
2ef4f3186cbc26403d64729116639e09

Вредоносное ПО

  • njRAT

Сигнатуры

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
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
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Defense Evasion

T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1562 modify_security_warnings: Attempts to modify or disable security notifications
T1562.004 firewall_add_rule: Modifies Firewall rules
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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
T1574 dropper_dll: Creates DLL, which is then loaded into the process
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

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
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

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Other

yara_rules: Static rules
networkdyndns_checkip: Connects to a Dynamic DNS domain
creates_exe: Creates executable files in the file system
dns_without_resolve: DNS query without a response
executes_dropped_exe: Executes dropped exe files
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
origin_langid: Unconventional language of the executable file
get_policy_info: Retrieves information about a Policy object
open_winlogon_process: Trying to open winlogon process
suricata_alert: Malicious traffic detected

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