Resubmissions
25/04/2026, 16:14
260425-tp5jhsfx2l1025/04/2026, 03:05
260425-dlmarsdy3s1024/04/2026, 13:46
260424-q3fkrsct9t10Analysis
- max time kernel
109s - max time network
112s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
25/04/2026, 16:14
Errors
General
- Target unsecapp.exe
- Size 421KB
- Sample260425-tp5jhsfx2l
- 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 1 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 6 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_pb5miiff.tqm.ps1
unsecapp.exe
memory/768-58-0x0000013E53100000-0x0000013E5310C000-memory.dmp
memory/768-59-0x0000013E531B0000-0x0000013E531C2000-memory.dmp
memory/3568-68-0x000000001B190000-0x000000001B1AE000-memory.dmp
memory/3772-21-0x0000028354FA0000-0x0000028354FC2000-memory.dmp
memory/3772-42-0x000002833C900000-0x000002833C912000-memory.dmp
memory/3772-30-0x0000028355010000-0x000002835502C000-memory.dmp
memory/3772-31-0x0000028355030000-0x00000283550E3000-memory.dmp
memory/3772-32-0x00000283550F0000-0x00000283550FA000-memory.dmp
memory/3772-33-0x0000028355120000-0x000002835513C000-memory.dmp
memory/3772-34-0x0000028355100000-0x000002835510A000-memory.dmp
memory/3772-35-0x00000283555C0000-0x00000283555DA000-memory.dmp
memory/3772-36-0x0000028355110000-0x0000028355118000-memory.dmp
memory/3772-37-0x0000028355140000-0x0000028355146000-memory.dmp
memory/3772-38-0x0000028355150000-0x000002835515A000-memory.dmp
memory/3772-23-0x00007FF4EEAC0000-0x00007FF4EEAD0000-memory.dmp
memory/3772-41-0x000002833B0B0000-0x000002833B0BC000-memory.dmp
memory/3772-22-0x0000028354F90000-0x0000028354FA0000-memory.dmp
memory/3772-13-0x0000028354F90000-0x0000028354FA0000-memory.dmp
memory/3772-14-0x0000028354F90000-0x0000028354FA0000-memory.dmp
memory/4868-0-0x0000000000530000-0x00000000005A0000-memory.dmp
memory/4868-3-0x000000001B290000-0x000000001B2A0000-memory.dmp
memory/4868-2-0x0000000000CC0000-0x0000000000CCC000-memory.dmp
memory/4868-67-0x0000000000CC0000-0x0000000000CCC000-memory.dmp
memory/4868-1-0x000000001B290000-0x000000001B2A0000-memory.dmp