Managed XDR

skid.exe (Dharma) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
skid.exe
Тип файла
PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows
Размер файла
5.7 MB
Первое обнаружение
Последнее обнаружение

Окружение

win7/x86 en

Хеши

SHA1
40809444e06c6e226ca22eddff26daf046b56100
SHA256
4981b9a7d6c5092844421671b53200b6e2e97ca342d56f1d14c0b3f69c2b8f3b
MD5
431e1d5bb24fff8e8a60af4a557ce857

Вредоносное ПО

  • Dharma

Сигнатуры

Execution

T1059.001 suspicious_powershell: Creates suspicious powershell process
T1059.003 suspicious_cmd_process: Cmd.exe without commandline launches a new process
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests

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
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

T1070.004 deletes_self: Moves to different location or removes the original executable file
T1497.001 antivm_sandboxie: Attempts to detect Sandboxie
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1564.001 stealth_file: Creates hidden or system files
T1070 stealth_webhistory: Clears browsing history
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
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
T1497.001 antivm_network_adapters: Checks NIC addresses
T1497.001 antivm_queries_computername: Retrieves the computer name
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

Credential Access

T1503 infostealer_browser: Retrieves personal information from local Internet browsers
T1552 infostealer_mail: Collects personal data from local email clients
T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets
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

T1497.001 antivm_sandboxie: Attempts to detect Sandboxie
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1057 process_interest: Enumerates processes
T1082 has_wmi: Executes one or several WMI requests
T1497.001 antivm_network_adapters: Checks NIC addresses
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antivm_queries_computername: Retrieves the computer name

Collection

T1114 infostealer_mail: Collects personal data from local email clients
T1074.001 access_recyclebin: Manipulation with recyclebin detected

Command and Control

T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.001 network_http: Performs HTTP requests

Exfiltration

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

Impact

T1486 modifies_files: Cryptolocker indicators detected (renamed 500 or more files)
T1486 modifies_files2: Cryptolocker indicators detected (100 or more files are modified)
T1561 wiper_zeroed_bytes: Overwrites multiple files with zero bytes (hex 00)
T1490 vssadmin_delete_shadows: Attempt to delete volume shadow copies
T1565.001 overwrites_firefox_settings: Modifies Mozilla Firefox settings
T1486 ransomware_files_2: Ransomware(s) Roger indicators detected (creates keys and the instruction on how to unlock the files)
T1485 deletes_files: Removes 500 or more files from C: drive

Other

yara_rules: Static rules
ransomware_dharma: Detected Dharma ransomware
executes_dropped_exe: Executes dropped exe files
ransomware_shadowcopy: Removes volume shadow copies
creates_exe: Creates executable files in the file system
creates_in_windows: Creates files in the Windows directory
runs_utility_without_cmdline: Runs system utility without arguments (non-typical usage)
ip_domains: Identifies an IP address using external resources
create_process_failed: Could not start the process
process_crashed: One of the processes has failed
unexpected_exception: Unexpected exception
create_rpc_bindings: Creates RPC connection
require_administrator: Requests administrator privileges
creates_suspended_process: Creates suspended process
message_box: Displays a message
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
writes_data: Writes big amount of data to disk
suricata_alert: Malicious traffic detected

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