Resubmissions
25/04/2026, 16:14
260425-tp5jhsfx2l1025/04/2026, 03:05
260425-dlmarsdy3s1024/04/2026, 13:46
260424-q3fkrsct9t10Analysis
- max time kernel
9s - max time network
12s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
25/04/2026, 03:05
Errors
General
- Target unsecapp.exe
- Size 421KB
- Sample260425-dlmarsdy3s
- SHA256 cf30a9c2841bb1b06d73ff92ef28bccc7e5441fe8c7c1b877357105ff4851e35
Malware Config
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 1 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Executes dropped EXE 2 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 2 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
-
C:\Users\Admin\AppData\Local\Temp\unsecapp.exe"C:\Users\Admin\AppData\Local\Temp\unsecapp.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\unsecapp.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'unsecapp.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Roaming\unsecapp.exeC:\Users\Admin\AppData\Roaming\unsecapp.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\unsecapp.exeC:\Users\Admin\AppData\Roaming\unsecapp.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
powershell.exe.log
unsecapp.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_ri01b334.rd3.ps1
unsecapp.exe
memory/640-25-0x00000184785F0000-0x00000184785F6000-memory.dmp
memory/640-29-0x000001845F860000-0x000001845F86C000-memory.dmp
memory/640-18-0x0000018478280000-0x000001847829C000-memory.dmp
memory/640-19-0x00000184782A0000-0x0000018478353000-memory.dmp
memory/640-20-0x0000018478370000-0x000001847837A000-memory.dmp
memory/640-21-0x0000018478600000-0x000001847861C000-memory.dmp
memory/640-22-0x0000018478380000-0x000001847838A000-memory.dmp
memory/640-23-0x0000018478620000-0x000001847863A000-memory.dmp
memory/640-24-0x00000184785E0000-0x00000184785E8000-memory.dmp
memory/640-3-0x0000018477F80000-0x0000018477F90000-memory.dmp
memory/640-26-0x0000018478640000-0x000001847864A000-memory.dmp
memory/640-11-0x0000018477F80000-0x0000018477F90000-memory.dmp
memory/640-30-0x0000018477F90000-0x0000018477FA2000-memory.dmp
memory/640-4-0x0000018477FE0000-0x0000018478002000-memory.dmp
memory/640-2-0x0000018477F80000-0x0000018477F90000-memory.dmp
memory/3372-58-0x0000000002630000-0x000000000264E000-memory.dmp
memory/4204-46-0x0000016EA10E0000-0x0000016EA10EC000-memory.dmp
memory/4204-47-0x0000016EA1190000-0x0000016EA11A2000-memory.dmp
memory/4292-0-0x00000000009C0000-0x0000000000A30000-memory.dmp
memory/4292-53-0x0000000002C60000-0x0000000002C70000-memory.dmp
memory/4292-1-0x0000000002C60000-0x0000000002C70000-memory.dmp
memory/4292-57-0x0000000002DD0000-0x0000000002DE2000-memory.dmp
memory/4292-56-0x0000000001350000-0x000000000135C000-memory.dmp