Managed XDR

exemplar (RTM) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
exemplar
Тип файла
PE32 executable (GUI) Intel 80386, for MS Windows
Размер файла
690 KB
Первое обнаружение
Последнее обнаружение

Окружение

win7/x86 en

Хеши

SHA1
7563b3b62734d1318c8c8fed3f7e1327229c4738
SHA256
c5a5a3495409d5fef936aa64b2201f2bfead38a6e05bfbffd811c0059d37bbb1
MD5
6461b99c507f01f9f662d5a8da31e76a

Вредоносное ПО

  • RTM

Сигнатуры

Execution

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler

Privilege Escalation

T1055.012 injection_runpe: Injects code into another process
T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
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

T1055.012 injection_runpe: Injects code into another process
T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1564.001 stealth_file: Creates hidden or system files
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
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
T1027.001 static_overlay_padding: Overlay contents padding

Credential Access

T1503 infostealer_browser: Retrieves personal information from local Internet browsers
T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1552 infostealer_mail: Collects personal data from local email clients
T1555.003 cookie_files: Accesses cookie files
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager
T1552 cookie_files: Accesses cookie files

Discovery

T1057 process_interest: Enumerates processes
T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1518 locates_browser: Attempts to identify where browsers are installed
T1049 list_ts_rdp_sessions: Lists ts/rdp sessions

Collection

T1113 screenshot_file: Possibly, makes a screenshot and saves it to a file
T1114 infostealer_mail: Collects personal data from local email clients
T1074.001 access_recyclebin: Manipulation with recyclebin detected

Impact

T1486 modifies_files2: Cryptolocker indicators detected (500 or more files are modified)
T1486 modifies_files: Cryptolocker indicators detected (renamed 500 or more files)
T1486 ransomware_message: Ransomware indicators detected (possible ransom message creation)
T1490 vssadmin_delete_shadows: Attempt to delete volume shadow copies

Other

yara_rules: Static rules
banker_rtm: RTM banking trojan indicators detected (specific memory regions)
ransomware_shadowcopy: Removes volume shadow copies
creates_in_windows: Creates files in the Windows directory
copies_self: Creates a copy of itself
cryptolocker_wallpaper: Ransomware indicators detected (changes the desktop wallpaper file)
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
unexpected_exception: Unexpected exception
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay

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