Managed XDR

cv_edward_teach1.doc (njRAT) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
cv_edward_teach1.doc
Тип файла
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Template: Normal.dotm, Revision Number: 1, Create Time/Date: Tue Jan 21 15:26:00 2020, Last Saved Time/Date: Tue Jan 21 18:04:00 2020, Number of Pages: 1, Number of Words: 277, Number of Characters: 1582, Security: 0
Размер файла
64 KB
Первое обнаружение
Последнее обнаружение

Окружение

win7/x86 en

Хеши

SHA1
3f46a2afc6879479089e247bb451e9db23efda0c
SHA256
2a64b4fee0b4630e4a89b59d5109ce8ea9d432ca7a5a8f6cd417d2b62432260c
MD5
b2619b4b7d2d8ea1bbee085070b54873

Вредоносное ПО

  • njRAT

Сигнатуры

Execution

T1059.001 suspicious_powershell: Suspicious document behaviour (creates powershell process)
T1059 powershell_cmd_longcommandline: Suspiciously long commandline
T1059.001 suspicious_process: Spawns a suspicious process
T1064 office_macros_suspicious: Document contains suspicious macro
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_strings: Feature lines found in document 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

T1064 office_macros_suspicious: Document contains suspicious macro
T1027.004 compiles_code: Compiles C# code
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1064 office_macros: The document contains macro
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_autoexec: The document contains an auto-start macro

Discovery

T1518 locates_browser: Attempts to identify where browsers are installed

Impact

T1486 ransomware_message: Ransomware indicators detected (possible ransom message creation)

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call

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