Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
08/05/2026, 16:32
General
- Target DeltaLoadedFixed.exe
- Size 183KB
- Sample260508-t2ehvset6r
- SHA256 ce4ff881dcd8808ed111b708f4228bd55ebe4e3ae54fe025678264bc4f5d6b1e
Malware Config
Extracted
-
sheetrat
-
1.7
-
Bublik
-
hightz1c-47016.portmap.host:47016
Signatures
- Family: Sheetrat, NonEuclid rat
Sheetrat aka NonEuclid RAT is a trojan written in C#.
- Detects Sheetrat Obfuscated Payload 2 IoCs
Sheetrat aka NonEuclid RAT is a trojan written in C#.
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
- Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
- Executes dropped EXE 6 IoCs
- Loads dropped DLL 8 IoCs
- Drops file in Windows directory 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 1 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of AdjustPrivilegeToken 8 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\DeltaLoadedFixed.exe"C:\Users\Admin\AppData\Local\Temp\DeltaLoadedFixed.exe"1⤵
- Modifies WinLogon for persistence
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\CMD.exe"CMD" netsh firewall add allowedprogram "C:\Users\Public\Pictures\xdwdNosati.exe" WindowsControl ENABLE & exit2⤵
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 1 /tn "Microsoft\Windows\WAppCrashNvTew" /tr "C:\Users\Public\Pictures\xdwdNosati.exe" /RL HIGHEST & exit2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 1 /tn "Microsoft\Windows\WAppCrashNvTew" /tr "C:\Users\Public\Pictures\xdwdNosati.exe" /RL HIGHEST3⤵
- Scheduled Task/Job: Scheduled Task
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-
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 30 /tn "Microsoft\MachineCore" /tr "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\xdwdNosatis.exe" /RL HIGHEST & exit2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 30 /tn "Microsoft\MachineCore" /tr "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\xdwdNosatis.exe" /RL HIGHEST3⤵
- Scheduled Task/Job: Scheduled Task
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-
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C:\Users\Public\Pictures\xdwdNosati.exe"C:\Users\Public\Pictures\xdwdNosati.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\xdwdNosatis.exeC:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\xdwdNosatis.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Public\Pictures\xdwdNosati.exeC:\Users\Public\Pictures\xdwdNosati.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Public\Pictures\xdwdNosati.exeC:\Users\Public\Pictures\xdwdNosati.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Public\Pictures\xdwdNosati.exeC:\Users\Public\Pictures\xdwdNosati.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Public\Pictures\xdwdNosati.exeC:\Users\Public\Pictures\xdwdNosati.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
xdwdNosati.exe.log
xdwdNosati.exe
xdwd.dll
memory/232-115-0x0000000000AA0000-0x0000000000AB2000-memory.dmp
memory/232-114-0x0000000000A90000-0x0000000000A9C000-memory.dmp
memory/1764-152-0x0000000001730000-0x0000000001742000-memory.dmp
memory/1764-151-0x0000000001720000-0x000000000172C000-memory.dmp
memory/3636-111-0x00000000026E0000-0x00000000026EC000-memory.dmp
memory/3636-112-0x00000000026F0000-0x0000000002702000-memory.dmp
memory/3656-109-0x00000000021B0000-0x00000000021C2000-memory.dmp
memory/3656-108-0x00000000021A0000-0x00000000021AC000-memory.dmp
memory/3908-116-0x0000000002440000-0x000000000244C000-memory.dmp
memory/3908-117-0x0000000002450000-0x0000000002462000-memory.dmp
memory/4532-0-0x0000000000700000-0x0000000000734000-memory.dmp
memory/4532-104-0x0000000002840000-0x0000000002852000-memory.dmp
memory/4532-103-0x0000000002830000-0x000000000283C000-memory.dmp
memory/4696-132-0x00000000021A0000-0x00000000021AC000-memory.dmp
memory/4696-133-0x00000000021B0000-0x00000000021C2000-memory.dmp