Managed XDR

system.io.compression.zipfile.dll (GandCrab) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
system.io.compression.zipfile.dll
Тип файла
Zip archive data, at least v1.0 to extract
Размер файла
212.8 KB
Первое обнаружение
Последнее обнаружение

Окружение

win7/x86 en

Хеши

SHA1
b5d6e41a8d2ade91833031d487346126e46104c4
SHA256
81fdff218e955c10f1f421840c50ba5c2e146fd83ad44722e88d33c56b923be0
MD5
a33f066f335eed4f710dc4607fd7d850

Вредоносное ПО

  • GandCrab

Сигнатуры

Execution

T1204.002 mimics_extension: Attempts to mimic the file extension
T1059.003 executes_dropped_cmd: Executes dropped batch files

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another 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

T1070.004 deletes_self: Moves to different location or removes the original executable file
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1562.001 disables_security: Disables Windows Security options
T1497.001 antivm_generic_disk: Checks information on disk, possibly for anti-virtualization or checking privileges
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1036 mimics_extension: Attempts to mimic the file extension
T1564.001 stealth_file: Creates hidden or system files
T1564.004 removes_zoneid_ads: Attempts to hide the indications that the file was downloaded from the Internet
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_entropy: Probably contains compressed or encrypted data
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

T1497.001 antivm_generic_disk: Checks information on disk, possibly for anti-virtualization or checking privileges
T1082 antivm_generic_disk: Checks information on disk, possibly for anti-virtualization or checking privileges
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Collection

T1115 checks_clipboard: Monitors clipboard data
T1115 set_clipboard_data: Sets data to clipboard

Command and Control

T1071 network_irc: Connects to the IRC server, probably a botnet part

Impact

T1489 stops_service: Stops Windows services

Other

yara_rules: Static rules
executes_dropped_exe: Executes dropped exe files
creates_in_windows: Creates files in the Windows directory
creates_exe: Creates executable files in the file system
dead_host: Connects to IP addresses that do not respond to requests
only_exec_in_archive: The archive contains only an executable file
network_ftp: Performs FTP requests
no_graphical_activity: No graphic activity
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
access_recyclebin: Manipulation with recyclebin detected
origin_langid: Unconventional language of the executable file
get_policy_info: Retrieves information about a Policy object
pe_overlay: PE file contains overlay

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