Managed XDR

c-windows-vu6kjaoj6.exe (Glupteba) — malware analysis report

File info

Filename
c-windows-vu6kjaoj6.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
8.2 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
b82a86c9c48cc756b8c0407c172f62182bff9e4f
SHA256
020849e8ee98b9c9ebd638b932a1779fe1dac49d2d92cbdb9fa154d513004c9b
MD5
1859b3a94d5fcd40c3cc930ebe51c82c

Malwares

  • Glupteba

Signatures

Execution

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
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
T1547.001 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
T1543.003 creates_service: Creates a service

Privilege Escalation

T1068 integrity_level: Process privileges have been escalated
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1547.001 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
T1543.003 creates_service: Creates a service
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
T1564.001 stealth_file: Creates hidden or system files
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497.001 antivm_vbox_devices: Detects VirtualBox through the presence of a device
T1497.001 antivm_vmware_devices: Detects VMware through the presence of a certain device
T1497.001 antivm_vbox_keys: Detects VirtualBox through the presence of a registry key
T1562.004 firewall_add_rule: Modifies Firewall rules
T1574.011 persistence_services: Modifies Services registry key
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1036 system_filename: Created a file named as a common system file
T1036 system_procname: Created a process named as a common system process
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1497.001 antivm_network_adapters: Checks NIC addresses
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
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey
T1480 system_default_lang_id_present: Checks the system language

Credential Access

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

Discovery

T1497.001 antivm_vbox_devices: Detects VirtualBox through the presence of a device
T1497.001 antivm_vmware_devices: Detects VMware through the presence of a certain device
T1497.001 antivm_vbox_keys: Detects VirtualBox through the presence of a registry key
T1057 process_interest: Enumerates processes
T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
T1497.001 antivm_network_adapters: Checks NIC addresses
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey
T1082 reads_csrss: Attempts to read csrss.exe memory
T1082 sysenv_get: Gets environment variables

Impact

T1489 stops_service: Stops Windows services
T1489 service_control_stop: Stops services via ControlService

Other

glupteba_behavior: Glupteba indicators detected
executes_dropped_exe: Executes dropped exe files
creates_in_windows: Creates files in the Windows directory
copies_self: Creates a copy of itself
network_bind: Starts servers listening at 0.0.0.0:31461, 0.0.0.0:5355
creates_exe: Creates executable files in the file system
suspicious_process_network: Unusual process network activity detected
dns_without_resolve: DNS query without a response
suspicious_process: Spawns a suspicious process
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
origin_langid: Unconventional language of the executable file
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
writes_data: Writes big amount of data to disk
open_winlogon_process: Trying to open winlogon process
yara_rules: Static rules

Related reports

Managed XDR