Managed XDR

4x6.-8.jpg.z (SparkRAT) — malware analysis report

File info

Filename
4x6.-8.jpg.z
File type
Zip archive data, at least v2.0 to extract
File size
20.8 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
3745005221a2363f7a202f11923e614db866beaf
SHA256
5504f636b406a0216770b0a0bc5f11fef54d69bf9a3767f0f3391704b7d2f303
MD5
0f14983aa0836b80a56272b0927832ae

Malwares

  • SparkRAT

Signatures

Execution

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1569.002 persistence_service: Starts newly created service
T1204.002 mimics_extension: Attempts to mimic the file extension
T1059.003 suspicious_process: Spawns a suspicious process
T1047 has_wmi: Executes one or several WMI requests

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1547.004 persistence_autorun: Makes itself run automatically on Windows startup
T1543.003 creates_service: Creates a service, that will start automatically
T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1543.003 creates_service: Creates a service, that will start automatically
T1547.004 persistence_autorun: Makes itself run automatically on Windows startup
T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key
T1574 dropper_dll: Creates DLL, which is then loaded into the process
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

T1562.001 disables_security: Disables Windows Security options
T1036 mimics_extension: Attempts to mimic the file extension
T1564.001 stealth_file: Creates hidden or system files
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1222 icacls: May obtain or change Discretionary access control lists (DACLs)
T1574.011 persistence_services: Modifies Services registry key
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.001 antivm_network_adapters: Checks NIC addresses
T1574 dropper_dll: Creates DLL, which is then loaded into the process
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
T1480 system_default_lang_id_present: Checks the system language
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_queries_computername: Retrieves the computer name
T1562.001 amsi_patching_attempt: Attempts to patch Microsoft AMSI protection (amsi.dll)
T1070 stealth_window: A process created a hidden window

Credential Access

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1057 process_interest: Enumerates processes
T1497.001 antivm_network_adapters: Checks NIC addresses
T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_queries_computername: Retrieves the computer name
T1135 server_share_info: Retrieves information about each shared resource on a server
T1057 has_wmi: Executes one or several WMI requests
T1518.001 checks_wde: Checks for Windows Defender Emulation

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Command and Control

T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Impact

T1489 net_stop: Stops services through the use of net stop

Other

suricata_alert: Malicious traffic detected
modifies_certs: Attempts to generate or modify system certificates
create_process_failed: Could not start the process
only_exec_in_archive: The archive contains only an executable file
network_bind: Starts servers listening at None
creates_exe: Creates executable files in the file system
dns_without_resolve: DNS query without a response
unnamed_region_exception_handler: Creates an exception handler in an unnamed region
unsigned_driver_drop: Sample is not signed and drops a device driver
driver_load: Loads a driver
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
access_recyclebin: Manipulation with recyclebin detected
message_box: Displays a message
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay
yara_rules: Static rules

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