Managed XDR

byzantium.exe — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
byzantium.exe
Тип файла
PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
Размер файла
241.4 KB
Первое обнаружение
Последнее обнаружение

Окружение

win7/x86 en

Хеши

SHA1
9ffcb5e52af2cc29ef580d177bb28a4d7658b8f7
SHA256
a7f04e389db036c6bbf42880380f8fc041aa46a4db58f588b3742ec715329eb2
MD5
54d8edaf22d16198ebf998287f7847aa

Сигнатуры

Persistence

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

Privilege Escalation

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

T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1027.002 nsis_archive: One of the packages is NSIS archive
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

T1003.001 dumps_lsass: Dumps lsass.exe process (probably, to extract credentials)

Discovery

T1057 process_interest: Enumerates processes
T1082 reads_csrss: Attempts to read csrss.exe memory

Other

yara_rules: Static rules
create_process_failed: Could not start the process
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
creates_exe: Creates executable files in the file system
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay
executes_dropped_exe: Executes dropped exe files