Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
04/09/2026, 12:13
General
- Target 87f1b3971bb5b44a760fe934c32c9364d1b417fb253da60bee93bf5569f7dc15.exe
- Size 152KB
- Sample260904-pdvsqazerf
- SHA256 87f1b3971bb5b44a760fe934c32c9364d1b417fb253da60bee93bf5569f7dc15
Malware Config
Extracted
-
xworm
-
5.0
-
techycarterpiller.kozow.com:800
-
techycarterpiller.kozow.com:00800
-
Qpmt2opr3CV5CFBn
-
Install_directory
%AppData%
-
install_file
microsoftsdk.exe
-
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 7 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
-
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
-
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\rsou5xvu\rsou5xvu.cmdline"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
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\RES5232.tmp" "c:\Users\Admin\AppData\Local\Temp\rsou5xvu\CSCF28CB223744D41609D5C4DC88DA7E3AA.TMP"3⤵
-
-
-
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
-
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\ta2obmyu\ta2obmyu.cmdline"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
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\RES7191.tmp" "c:\Users\Admin\AppData\Local\Temp\ta2obmyu\CSC324EABB555451D96AA791F36AB7D.TMP"3⤵
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
RES5232.tmp
RES7191.tmp
rsou5xvu.dll
ta2obmyu.dll
microsoftsdk.exe
CSCF28CB223744D41609D5C4DC88DA7E3AA.TMP
rsou5xvu.0.cs
rsou5xvu.cmdline
CSC324EABB555451D96AA791F36AB7D.TMP
ta2obmyu.0.cs
ta2obmyu.cmdline
memory/1428-14-0x0000000000830000-0x0000000000838000-memory.dmp
memory/1428-33-0x00000000023A0000-0x00000000023B0000-memory.dmp
memory/1428-20-0x00000000023A0000-0x00000000023B0000-memory.dmp
memory/1428-25-0x000000004B0A0000-0x000000004B644000-memory.dmp
memory/1428-26-0x000000004AC60000-0x000000004ACC6000-memory.dmp
memory/1428-27-0x000000004AE70000-0x000000004AF02000-memory.dmp
memory/1428-28-0x000000004AE50000-0x000000004AE5A000-memory.dmp
memory/1428-18-0x00000000023A0000-0x00000000023B0000-memory.dmp
memory/1428-47-0x00000000023A0000-0x00000000023B0000-memory.dmp
memory/1428-19-0x0000000049CF0000-0x0000000049D8C000-memory.dmp
memory/1428-17-0x0000000049C20000-0x0000000049C30000-memory.dmp
memory/1428-16-0x00000000023A0000-0x00000000023B0000-memory.dmp
memory/1428-15-0x0000000049B00000-0x0000000049B13000-memory.dmp
memory/1428-0-0x0000000000010000-0x000000000003C000-memory.dmp
memory/1428-1-0x00000000023A0000-0x00000000023B0000-memory.dmp
memory/1428-46-0x00000000023A0000-0x00000000023B0000-memory.dmp
memory/7584-45-0x00000000022A0000-0x00000000022A8000-memory.dmp
memory/7584-35-0x0000000004980000-0x0000000004990000-memory.dmp