Analysis
- max time kernel
148s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
18/08/2026, 09:48
General
- Target e-dekont-20260817-0.js
- Size 236KB
- Sample260818-lsztfagr21
- SHA256 77ffb26f8837c388039a3ed7267003a46a7f1ca6c3c1ba9ceb46fce5702ebdae
Malware Config
Extracted
-
xworm
-
5.0
-
31.56.209.234:443
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6LTYhMtYJSwSKkQV
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install_file
USB.exe
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 1 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
- Suspicious use of SetThreadContext 1 IoCs
- Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 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:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\e-dekont-20260817-0.js1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -NoP -EP Bypass -NonInteractive -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\28lms8iz\log_12218_e9b7.ps1"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- 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\i4r2rnca\i4r2rnca.cmdline"3⤵
- 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\RES7526.tmp" "c:\Users\Admin\AppData\Local\Temp\i4r2rnca\CSCD7411BDD7A7640D7A326BB531047834.TMP"4⤵
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-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
-
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C:\Windows\system32\wscript.exewscript.exe1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
log_12218_e9b7.ps1
RES7526.tmp
i4r2rnca.dll
CSCD7411BDD7A7640D7A326BB531047834.TMP
i4r2rnca.0.cs
i4r2rnca.cmdline
memory/3112-41-0x0000000006EB0000-0x0000000006F42000-memory.dmp
memory/3112-35-0x00000000053F0000-0x000000000548C000-memory.dmp
memory/3112-34-0x0000000000400000-0x000000000040E000-memory.dmp
memory/6036-18-0x00000000065D0000-0x00000000065EA000-memory.dmp
memory/6036-6-0x0000000074FC0000-0x000000007577C000-memory.dmp
memory/6036-14-0x0000000006050000-0x000000000609C000-memory.dmp
memory/6036-16-0x0000000074FC0000-0x000000007577C000-memory.dmp
memory/6036-17-0x0000000007840000-0x0000000007EBC000-memory.dmp
memory/6036-2-0x0000000074FD2000-0x0000000074FD3000-memory.dmp
memory/6036-19-0x0000000007210000-0x0000000007226000-memory.dmp
memory/6036-12-0x0000000005C00000-0x0000000005F5B000-memory.dmp
memory/6036-9-0x0000000005AB0000-0x0000000005B16000-memory.dmp
memory/6036-8-0x00000000053C0000-0x0000000005426000-memory.dmp
memory/6036-7-0x0000000005220000-0x0000000005242000-memory.dmp
memory/6036-13-0x0000000005FF0000-0x000000000600E000-memory.dmp
memory/6036-32-0x0000000007230000-0x0000000007238000-memory.dmp
memory/6036-33-0x0000000004E10000-0x0000000004E18000-memory.dmp
memory/6036-5-0x0000000074FC0000-0x000000007577C000-memory.dmp
memory/6036-4-0x0000000005460000-0x0000000005AAA000-memory.dmp
memory/6036-36-0x0000000007360000-0x00000000073F6000-memory.dmp
memory/6036-37-0x00000000072F0000-0x0000000007312000-memory.dmp
memory/6036-38-0x0000000008480000-0x0000000008A3A000-memory.dmp
memory/6036-40-0x0000000074FC0000-0x000000007577C000-memory.dmp
memory/6036-3-0x0000000002AE0000-0x0000000002B16000-memory.dmp