General
- Target NursultanCrack.exe
- Size 11.3MB
- Sample260701-vbza1scs3v
- SHA256 e6e713954e02f921374deed78cbccf0f84560f4b72506fe7a9de1c97626d82e7
- MD5 ca5e354157df6cf00a2511d81f568b1f
- SHA1 333bee777929d42fdf408dc5ae7c6658bde91461
- SHA512 e66125b1770fdab60a2fb55228ef416ade0a65c07da3c5833705e361dc4bcd70c35e01c2cc9dce69e1f21b76c264abf5b8bbbdfeda57258ed33c06312fb95d51
- SSDEEP 196608:Knie+zx78AZDWnBH40lbdHCQfmgjuKNXbWXQQ07gcggbD8r6flk:vHx7vZmBY05cemsdXS07gcH6
- TLSH T13BC633D3AC60FCF8CC0943F1963F1509097B4EE9B7EBD08F3559366EC5A669A848A41C
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
NursultanCrack.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
NursultanCrack.exe
Resource
win11ltsc2024-20260629-en
Malware Config
Targets
-
- Target NursultanCrack.exe
- Size 11.3MB
- SHA256 e6e713954e02f921374deed78cbccf0f84560f4b72506fe7a9de1c97626d82e7
- MD5 ca5e354157df6cf00a2511d81f568b1f
- SHA1 333bee777929d42fdf408dc5ae7c6658bde91461
- SHA512 e66125b1770fdab60a2fb55228ef416ade0a65c07da3c5833705e361dc4bcd70c35e01c2cc9dce69e1f21b76c264abf5b8bbbdfeda57258ed33c06312fb95d51
- SSDEEP 196608:Knie+zx78AZDWnBH40lbdHCQfmgjuKNXbWXQQ07gcggbD8r6flk:vHx7vZmBY05cemsdXS07gcH6
- TLSH T13BC633D3AC60FCF8CC0943F1963F1509097B4EE9B7EBD08F3559366EC5A669A848A41C
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detects Sheetrat Payload
Sheetrat aka NonEuclid RAT is a trojan written in C#.
-
Modifies WinLogon for persistence
-
Modifies firewall policy service
-
Modifies security service
-
UAC bypass
-
Modifies boot configuration data using bcdedit
-
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
-
Drops file in Drivers directory
-
Modifies Windows Firewall
-
Possible privilege escalation attempt
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Creates new service(s)
-
Executes dropped EXE
-
Loads dropped DLL
-
Modifies file permissions
-
Stops running service(s)
-
Windows security modification
-
Checks whether UAC is enabled
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
File and Directory Permissions Modification: Windows File and Directory Permissions Modification
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Drops file in System32 directory
-
Suspicious use of NtSetInformationThreadHideFromDebugger
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1System Services
2Service Execution
2Persistence
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Create or Modify System Process
7Windows Service
7Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Create or Modify System Process
7Windows Service
7Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1File and Directory Permissions Modification
2Windows File and Directory Permissions Modification
1Impair Defenses
7Disable or Modify System Firewall
2Disable or Modify Tools
4Modify Registry
8