Managed XDR

nulltextwrit.exe (Agent Tesla) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
nulltextwrit.exe
Тип файла
PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
Размер файла
667.5 KB
Первое обнаружение
Последнее обнаружение

Окружение

win7/x86 en

Хеши

SHA1
b4753049fb60a65d3329151d7e59a823b5b4b16c
SHA256
180d5e15c6aa013697a0249ff92c3bbc3ee3fb13c7c76dcefdf1d3487fe7eebf
MD5
6217ac107771ac0167373c3181bb7a5f

Вредоносное ПО

  • Agent Tesla

Сигнатуры

Privilege Escalation

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another 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

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
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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

Discovery

T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Exfiltration

T1022 encrypts_pc_info: Collects and encrypts information about the computer (possibly for exfiltration)

Other

yara_rules: Static rules
steganographic_png: Possible malicious steganographic PNG
creates_exe: Creates executable files in the file system
copies_self: Creates a copy of itself
process_crashed: One of the processes has failed
no_graphical_activity: No graphic activity
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
checktokenmembership: Checks user token with CheckTokenMembership call

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