General
- Target x586e1c37aa3dfd8d7471702078fb7fd1b1241ff1b1af07220f83a94923ecb950.exe
- Size 12.0MB
- Sample260628-y2ldmad14r
- SHA256 586e1c37aa3dfd8d7471702078fb7fd1b1241ff1b1af07220f83a94923ecb950
- MD5 a100eba13b576d82491b7d889698c980
- SHA1 80bdeb5d9187dcd7d26aac6108c4a0c4bb4cdf92
- SHA512 efac82176c67a579485134632264fe4f2562677a6abc3d7a3c282f6d23b637ff818d0f5ff0f9876e67e0e973dcce51e7aa0ec88b964ca0fecd60c9bf57a794a4
- SSDEEP 49152:0LPJAD+33333333333333333333333333333333333333333333333333333333o:z
- TLSH T146C6F23B83FC5C78DA62A374B5B3DF0000E4A291653B511FDBB190766116BF9762EB28
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
x586e1c37aa3dfd8d7471702078fb7fd1b1241ff1b1af07220f83a94923ecb950.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
x586e1c37aa3dfd8d7471702078fb7fd1b1241ff1b1af07220f83a94923ecb950.exe
Resource
win11ltsc2024-20260618-en
Malware Config
Targets
-
- Target x586e1c37aa3dfd8d7471702078fb7fd1b1241ff1b1af07220f83a94923ecb950.exe
- Size 12.0MB
- SHA256 586e1c37aa3dfd8d7471702078fb7fd1b1241ff1b1af07220f83a94923ecb950
- MD5 a100eba13b576d82491b7d889698c980
- SHA1 80bdeb5d9187dcd7d26aac6108c4a0c4bb4cdf92
- SHA512 efac82176c67a579485134632264fe4f2562677a6abc3d7a3c282f6d23b637ff818d0f5ff0f9876e67e0e973dcce51e7aa0ec88b964ca0fecd60c9bf57a794a4
- SSDEEP 49152:0LPJAD+33333333333333333333333333333333333333333333333333333333o:z
- TLSH T146C6F23B83FC5C78DA62A374B5B3DF0000E4A291653B511FDBB190766116BF9762EB28
- 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 Windows Firewall
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Creates new service(s)
Executes dropped EXE
Indicator Removal: Clear Windows Event Logs
Clear Windows Event Logs to hide the activity of an intrusion.
Loads dropped DLL
Stops running service(s)
Windows security modification
Checks whether UAC is enabled
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
Drops file in System32 directory
MITRE ATT&CK Enterprise v16
Execution
Scheduled 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
1Pre-OS Boot
1Bootkit
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
1Impair Defenses
7Disable or Modify System Firewall
2Disable or Modify Tools
4Indicator Removal
1Clear Windows Event Logs
1Modify Registry
8Pre-OS Boot
1Bootkit
1