Managed XDR

vtdl_irex01sb (Glupteba) — malware analysis report

File info

Filename
vtdl_irex01sb
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
4.1 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
e9ed63601d812ff671509418916350cc7b008703
SHA256
88b92212ab8d146588958b480808b1bef89dbd179b8aa5ea47e42c1588de6908
MD5
d1fdfd5916c9ac53147258ceb03b40f4

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
T1569.002 persistence_service: Starts newly created service
T1047 has_wmi: Executes one or several WMI requests

Persistence

T1543.003 creates_service: Creates a service, that will start automatically
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

Privilege Escalation

T1068 integrity_level: Process privileges have been escalated
T1543.003 creates_service: Creates a service, that will start automatically
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
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

T1036.001 invalid_authenticode: Digital signature of the executable file has failed the verification
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
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
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1480 system_default_lang_id_present: Checks the system language

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
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Command and Control

T1102.003 cloud_discord: Connects to cloud services of Discord (potentially for malicious payload delivery)

Impact

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

Other

yara_rules: Static rules
glupteba_behavior: Glupteba indicators detected
creates_exe: Creates executable files in the file system
sc_service: Provide protections from stopping own services
executes_dropped_exe: Executes dropped exe files
creates_in_windows: Creates files in the Windows directory
trojan_jorik: Jorik indicators detected
copies_self: Creates a copy of itself
ip_domains: Identifies an IP address using external resources
network_bind: Starts servers listening at 0.0.0.0:31461
suspicious_process_network: Unusual process network activity detected
dns_without_resolve: DNS query without a response
suspicious_process: Spawns a suspicious process
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
message_box: Displays a message
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
pe_overlay: PE file contains overlay
suricata_alert: Malicious traffic detected

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