Managed XDR

_task (Smoke Bot) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
_task
Тип файла
SMTP mail, ASCII text, with very long lines, with CRLF line terminators
Размер файла
115.4 KB
Первое обнаружение
Последнее обнаружение

Окружение

win7/x86 en

Хеши

SHA1
22dfde080f599dfb84f105cae2b6608a7fe2ce2e
SHA256
d1f79248c500e1e0b3874aaaf1a15b8d01894325e5e0f885c3f8e5bf1c91b505
MD5
1af917cc1468fd09560d936f86ea3aa9

Вредоносное ПО

  • Smoke Bot

Сигнатуры

Execution

T1059.001 suspicious_powershell: Suspicious document behaviour (creates powershell process)
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1059.001 suspicious_process: Spawns a suspicious process
T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
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_autoexec: The document contains an auto-start macro
T1106 susp_callbacks: Suspicious usage of some WinAPI with callbacks

Persistence

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

Privilege Escalation

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

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
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497.001 antivm_sandboxie: Attempts to detect Sandboxie
T1497.001 antivm_generic_ide: Checks the presence of IDE drives in the registry, possibly for anti-virtualization
T1497.001 antivm_generic_scsi: Attempts to detect virtualization by SCSI Disk Identifier
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1064 office_macros_suspicious: Document contains suspicious macro
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antivm_queries_computername: Retrieves the computer name
T1064 office_macros: The document contains macro
T1064 office_macros_autoexec: The document contains an auto-start macro

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1497.001 antivm_sandboxie: Attempts to detect Sandboxie
T1497.001 antivm_generic_ide: Checks the presence of IDE drives in the registry, possibly for anti-virtualization
T1497.001 antivm_generic_scsi: Attempts to detect virtualization by SCSI Disk Identifier
T1518.001 antiav_avast_libs: Attempts to detect Avast Antivirus by a certain library
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1057 process_interest: Enumerates processes
T1083 checks_recent_files: Attempt to check recently opened files through registry
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antivm_queries_computername: Retrieves the computer name

Command and Control

T1071.001 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.004 office_exploit_dns: The document exhibits suspicious behaviour (performs DNS requests)
T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Exfiltration

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

Other

yara_rules: Static rules
executes_dropped_exe: Executes dropped exe files
smokeloader_behaviour: Exhibits behavior characteristics of SmokeLoader
creates_exe: Creates executable files in the file system
suricata_alert: Malicious traffic detected
create_process_failed: Could not start the process
suspicious_process_network: Unusual process network activity detected
dns_without_resolve: DNS query without a response
office_summary: The document contains suspicious metadata
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card

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