Analysis
- max time kernel
298s - max time network
308s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
08/05/2026, 16:27
General
- Target DeltaLoadedFixed.exe
- Size 183KB
- Sample260508-tydgdset3p
- 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 9 IoCs
- Loads dropped DLL 11 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 2 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 12 IoCs
- Suspicious use of WriteProcessMemory 7 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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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
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-
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
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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
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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
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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
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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
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/1100-132-0x0000000000A30000-0x0000000000A3C000-memory.dmp
memory/1100-133-0x0000000000A40000-0x0000000000A52000-memory.dmp
memory/1552-182-0x000000001CEC0000-0x000000001CF8A000-memory.dmp
memory/1552-177-0x0000000001830000-0x000000000183C000-memory.dmp
memory/1552-178-0x0000000001860000-0x0000000001872000-memory.dmp
memory/1552-181-0x000000001C1C0000-0x000000001C1D2000-memory.dmp
memory/1624-165-0x0000000001240000-0x0000000001252000-memory.dmp
memory/1624-164-0x0000000001230000-0x000000000123C000-memory.dmp
memory/2384-116-0x0000000001620000-0x000000000162C000-memory.dmp
memory/2384-117-0x0000000002DF0000-0x0000000002E02000-memory.dmp
memory/3116-110-0x00000000017D0000-0x00000000017E2000-memory.dmp
memory/3116-109-0x00000000017C0000-0x00000000017CC000-memory.dmp
memory/4892-188-0x0000000000890000-0x00000000008A2000-memory.dmp
memory/4892-187-0x0000000000880000-0x000000000088C000-memory.dmp
memory/5340-103-0x0000000002930000-0x000000000293C000-memory.dmp
memory/5340-0-0x00000000007F0000-0x0000000000824000-memory.dmp
memory/5340-104-0x0000000002940000-0x0000000002952000-memory.dmp
memory/5664-149-0x0000000002910000-0x0000000002922000-memory.dmp
memory/5664-148-0x0000000002900000-0x000000000290C000-memory.dmp
memory/6040-172-0x000000001AF00000-0x000000001AF0C000-memory.dmp
memory/6040-174-0x000000001AFE0000-0x000000001AFEC000-memory.dmp
memory/6040-118-0x000000001AFE0000-0x000000001AFEC000-memory.dmp
memory/6040-119-0x000000001B0F0000-0x000000001B102000-memory.dmp
memory/6124-106-0x0000000000CD0000-0x0000000000CDC000-memory.dmp
memory/6124-107-0x0000000000CE0000-0x0000000000CF2000-memory.dmp