Managed XDR

xex-lnk-exploit-builder_677.lnk (Glupteba) — malware analysis report

File info

Filename
xex-lnk-exploit-builder_677.lnk
File type
MS Windows shortcut, Item id list present, Points to a file or directory, Has Relative path, Has command line arguments, Icon, Archive, ctime=Tue Aug 11 21:51:46 2026, mtime=Sun Sep 6 18:48:26 2026, atime=Tue Aug 11 21:51:46 2026, length=344064, window=hidenormalshowminimized
File size
2.1 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
e6b92b925ec5cc8306f4f4ac046a6f01d5a339fa
SHA256
2076704cee6f9e18a5ef1ca0507ef097a48ad0341991daf7c7ad4c90bb9b6057
MD5
3dda3b1a633eefdb6fe72b2c9be1a49a

Malwares

  • Glupteba

Signatures

Execution

T1204 suspicious_lnk: LNK file with suspicious content
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1072 detect_putty: Traces typical for Putty are detected in the system
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests
T1059.001 url_cmdline: Cmdline of process contains URL
T1059.003 url_cmdline: Cmdline of process contains URL

Persistence

T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler

Privilege Escalation

T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler

Defense Evasion

T1218 suspicious_cmdline: Executes a suspicious command
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization

Credential Access

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

Discovery

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1057 has_wmi: Executes one or several WMI requests
T1082 has_wmi: Executes one or several WMI requests
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization

Lateral Movement

T1072 detect_putty: Traces typical for Putty are detected in the system

Command and Control

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

Other

glupteba_behavior: Glupteba indicators detected
network_bind: Starts servers listening at None
creates_suspended_process: Creates suspended process
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
yara_rules: Static rules

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