General
- Target Nursultan client.exe
- Size 3.3MB
- Sample260710-klq3aaf17r
- SHA256 d6758e03ea7fce546feb5af92a0b691af9323731ca3c9858797b3c20dcdf2919
- MD5 407a94cdd0eb8965fca9712eeaabbfb8
- SHA1 f9513c0c772f49ce6990dd30c56b61ee47916127
- SHA512 87d07e3d6ee0f42d3cfb9792e411c8e260321e154b9c818f6ec668aa5ad4ffdc4b484564339f6fb1b61950b0ae1b8be93bb8d7422697d81520bc490727a29ec4
- SSDEEP 49152:nxEjNZCOlfcT9G6DnHFlzMzjlP+fOBksUQEI4Ywz0v4:nxQjxlcLX
- TLSH T12FF58C07FCA118E6C0AEA231897359967B71BC441F3123E72A50B6392FB3BE09D79754
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
Nursultan client.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Nursultan client.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Targets
-
- Target Nursultan client.exe
- Size 3.3MB
- SHA256 d6758e03ea7fce546feb5af92a0b691af9323731ca3c9858797b3c20dcdf2919
- MD5 407a94cdd0eb8965fca9712eeaabbfb8
- SHA1 f9513c0c772f49ce6990dd30c56b61ee47916127
- SHA512 87d07e3d6ee0f42d3cfb9792e411c8e260321e154b9c818f6ec668aa5ad4ffdc4b484564339f6fb1b61950b0ae1b8be93bb8d7422697d81520bc490727a29ec4
- SSDEEP 49152:nxEjNZCOlfcT9G6DnHFlzMzjlP+fOBksUQEI4Ywz0v4:nxQjxlcLX
- TLSH T12FF58C07FCA118E6C0AEA231897359967B71BC441F3123E72A50B6392FB3BE09D79754
- MD5 SHA1 SHA512 SSDEEP TLSH
Modifies WinLogon for persistence
Event Triggered Execution: AppInit DLLs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Executes dropped EXE
Loads dropped DLL
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
Modifies WinLogon
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Winlogon Helper DLL
2Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1