Managed XDR

koshtoris_2026.lnk — malware analysis report

File info

Filename
koshtoris_2026.lnk
File type
MS Windows shortcut, Item id list present, Has Description string, Has Relative path, Has Working directory, Has command line arguments, Icon, ctime=Mon Jan 1 00:00:00 1601, mtime=Mon Jan 1 00:00:00 1601, atime=Mon Jan 1 00:00:00 1601, length=0, window=hidenormalshowminimized
File size
3 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
68215d50d4ffdbf9b8c118ba566d67470e7cefed
SHA256
e6d9919d8ab5a5ddfddeb32a5a4f0f1046390dd5dafa73530fbbf4477e9e708f
MD5
782ff08301032e65682114f1dd4a39ec

Signatures

Execution

T1059.001 suspicious_powershell: Creates suspicious PowerShell process
T1204 suspicious_lnk: LNK file with suspicious content
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1059.001 suspicious_process: Spawns a suspicious process
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
T1547 persistence_autorun: Makes itself run automatically on Windows startup
T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
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 persistence_autorun: Makes itself run automatically on Windows startup
T1547 persistence_autorun: Makes itself run automatically on Windows startup
T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1546.003 persistence_wmi_event: Creates WMI event subscription
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
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Defense Evasion

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
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
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1070 stealth_window: A process created a hidden window

Credential Access

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

Discovery

T1033 recon_beacon: The process has sent information about the computer over the network
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1057 has_wmi: Executes one or several WMI requests
T1082 has_wmi: Executes one or several WMI requests
T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization

Command and Control

T1071.001 recon_beacon: The process has sent information about the computer over the network
T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

suricata_alert: Malicious traffic detected
network_bind: Starts servers listening at None
opens_document: Opens office documents
creates_exe: Creates executable files in the file system
creates_doc: Creates (office) documents in the file system
executes_dropped_exe: Executes dropped exe files
network_powershell: PowerShell process network connection detected
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
test_check_service: Starts services
writes_data: Writes big amount of data to disk
yara_rules: Static rules
Managed XDR