Managed XDR

setup_reg.exe (RMS) — malware analysis report

File info

Filename
setup_reg.exe
File type
PE32+ executable (console) x86-64, for MS Windows
File size
19.8 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
1151b3b788e0d33947fad1403df66e5dade073f0
SHA256
01c26150bdbb41d11a6aea48e657e30aa1e74ae7a8fe02919855f2e4d4c065d5
MD5
e2a3c30b0aad18afc8fda57347b25221

Malwares

  • RMS

Signatures

Execution

T1059.001 suspicious_powershell: Creates suspicious PowerShell process
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1569.002 persistence_service: Starts newly created service
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests
T1059.001 suspicious_process: Spawns a suspicious process

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1543.003 creates_service: Creates a service, that will start automatically
T1546.003 persistence_wmi_event: Creates WMI event subscription
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
T1543.003 creates_service: Creates a service, that will start automatically
T1546.003 persistence_wmi_event: Creates WMI event subscription
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

T1112 creates_largekey: Saves very large data in the registry, can be used to save the configuration or body of the malware
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1564.001 stealth_file: Creates hidden or system files
T1497.001 antisandbox_productid: Obtains Windows ProductID, probably to fingerprint a sandbox
T1036 system_filename: Created a file named as a common system file
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497 debugs_self: Creates a process and debugs it
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 antidbg_strings: Checks for malware analysis tools (specific strings found)
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name

Credential Access

T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497.001 antisandbox_productid: Obtains Windows ProductID, probably to fingerprint a sandbox
T1497 debugs_self: Creates a process and debugs it
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1518 recon_programs: Collects information about installed programs
T1057 has_wmi: Executes one or several WMI requests
T1057 process_interest: Enumerates processes
T1082 has_wmi: Executes one or several WMI requests
T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
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 antidbg_strings: Checks for malware analysis tools (specific strings found)
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name

Command and Control

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

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
rms_admin: Remote Manipulator System indicators detected (files or registry)
creates_many_processes: Spawns a lot of processes (over 70)
creates_in_windows: Creates files in the Windows directory
rms_lms_bins: Listens on port 5650 used by RMS\LiteManager
network_bind: Starts servers listening at 0.0.0.0:5650, None
creates_exe: Creates executable files in the file system
suspicious_process_network: Unusual process network activity detected
executes_dropped_exe: Executes dropped exe files
network_ftp: Performs FTP requests
unsigned_driver_drop: Sample is not signed and drops a device driver
create_rpc_bindings: Creates RPC connection
require_administrator: Requests administrator privileges
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
add_base64_to_registry: Writes Base64 encoded data to registry
creates_in_programdata: Creates files in the ProgramData directory
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk
open_winlogon_process: Trying to open winlogon process
js_suspicious: Suspicious javascript

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