Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
04/09/2026, 12:13
General
- Target 87f1b3971bb5b44a760fe934c32c9364d1b417fb253da60bee93bf5569f7dc15.exe
- Size 152KB
- Sample260904-pdvsqazerf
- SHA256 87f1b3971bb5b44a760fe934c32c9364d1b417fb253da60bee93bf5569f7dc15
Malware Config
Extracted
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xworm
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5.0
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techycarterpiller.kozow.com:800
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techycarterpiller.kozow.com:00800
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Qpmt2opr3CV5CFBn
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Install_directory
%AppData%
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install_file
microsoftsdk.exe
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telegram
https://api.telegram.org/bot6577965796:AAE1P1EmQbDJYjvK1ViaG8D-9kqJb_2Y_A4/sendMessage?chat_id=5827531759
Signatures
- Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 1 IoCs
- Detects DonutLoader 2 IoCs
- Creates a file in the Startup directory 1 TTPs 2 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\87f1b3971bb5b44a760fe934c32c9364d1b417fb253da60bee93bf5569f7dc15.exe"C:\Users\Admin\AppData\Local\Temp\87f1b3971bb5b44a760fe934c32c9364d1b417fb253da60bee93bf5569f7dc15.exe"1⤵
- Creates a file in the Startup directory
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\kft0rk3u\kft0rk3u.cmdline"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES2948.tmp" "c:\Users\Admin\AppData\Local\Temp\kft0rk3u\CSC4A9030050144B8839AC0BA5AC1157D.TMP"3⤵
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C:\Users\Admin\AppData\Roaming\microsoftsdk.exeC:\Users\Admin\AppData\Roaming\microsoftsdk.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\2w1dzl4y\2w1dzl4y.cmdline"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES4925.tmp" "c:\Users\Admin\AppData\Local\Temp\2w1dzl4y\CSCA30FAE68952743D88D91E91CB0B53CCD.TMP"3⤵
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
2w1dzl4y.dll
RES2948.tmp
RES4925.tmp
kft0rk3u.dll
microsoftsdk.exe
2w1dzl4y.0.cs
2w1dzl4y.cmdline
CSCA30FAE68952743D88D91E91CB0B53CCD.TMP
CSC4A9030050144B8839AC0BA5AC1157D.TMP
kft0rk3u.0.cs
kft0rk3u.cmdline
memory/4588-30-0x0000000075020000-0x00000000757DC000-memory.dmp
memory/4588-15-0x0000000002D80000-0x0000000002D88000-memory.dmp
memory/4588-20-0x0000000075020000-0x00000000757DC000-memory.dmp
memory/4588-21-0x0000000075032000-0x0000000075033000-memory.dmp
memory/4588-18-0x0000000049680000-0x000000004971C000-memory.dmp
memory/4588-0-0x0000000075032000-0x0000000075033000-memory.dmp
memory/4588-19-0x0000000075020000-0x00000000757DC000-memory.dmp
memory/4588-17-0x00000000495B0000-0x00000000495C0000-memory.dmp
memory/4588-16-0x0000000075020000-0x00000000757DC000-memory.dmp
memory/4588-47-0x0000000075020000-0x00000000757DC000-memory.dmp
memory/4588-5-0x0000000075020000-0x00000000757DC000-memory.dmp
memory/4588-48-0x0000000075020000-0x00000000757DC000-memory.dmp
memory/4588-1-0x0000000000A70000-0x0000000000A9C000-memory.dmp
memory/4588-42-0x000000004A9B0000-0x000000004AF6A000-memory.dmp
memory/4588-43-0x000000004A5F0000-0x000000004A656000-memory.dmp
memory/4588-44-0x000000004A800000-0x000000004A892000-memory.dmp
memory/4588-45-0x000000004A7E0000-0x000000004A7EA000-memory.dmp
memory/4588-46-0x0000000075020000-0x00000000757DC000-memory.dmp
memory/7588-31-0x0000000075020000-0x00000000757DC000-memory.dmp
memory/7588-41-0x0000000004A60000-0x0000000004A68000-memory.dmp
memory/7588-49-0x0000000075020000-0x00000000757DC000-memory.dmp