Analysis
- max time kernel
149s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20251016-en - resource tags
- submitted
02/12/2025, 11:53
General
- Target Outstanding Invoices.exe
- Size 914KB
- Sample251202-n2rwassjbx
- SHA256 82dcb4d2d2eea41de50b93c348a7850a4779e3e8f758c914605cb6f98a4a2be0
Malware Config
Extracted
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xworm
-
XWorm V6.4
-
45.138.50.124:1277
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wDF1oDX35NlzSuDS
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Install_directory
%AppData%
-
install_file
XWormClient.exe
Signatures
- Detect Xworm Payload 1 IoCs
- Xworm
Xworm is a remote access trojan written in C#.
- Xworm family
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Drops startup file 3 IoCs
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- AutoIT Executable 2 IoCs
AutoIT scripts compiled to PE executables.
- Suspicious use of SetThreadContext 2 IoCs
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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 3 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 4 IoCs
- Suspicious use of SendNotifyMessage 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Outstanding Invoices.exe"C:\Users\Admin\AppData\Local\Temp\Outstanding Invoices.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\isochronal\nondefinition.exe"C:\Users\Admin\AppData\Local\Temp\Outstanding Invoices.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\Outstanding Invoices.exe"3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"4⤵
- 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"4⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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-
-
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C:\Users\Admin\AppData\Roaming\XWormClient.exeC:\Users\Admin\AppData\Roaming\XWormClient.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
RegSvcs.exe.log
__PSScriptPolicyTest_yh2yz1bt.zww.ps1
aut9318.tmp
benting
benting
nondefinition.exe
XWormClient.exe
memory/1892-12-0x0000000001FF0000-0x0000000001FF4000-memory.dmp
memory/1892-18-0x0000000000B10000-0x0000000000D05000-memory.dmp
memory/1892-0-0x0000000000B10000-0x0000000000D05000-memory.dmp
memory/3308-74-0x0000000006D90000-0x0000000006E33000-memory.dmp
memory/3308-79-0x0000000007040000-0x0000000007051000-memory.dmp
memory/3308-83-0x0000000007160000-0x0000000007168000-memory.dmp
memory/3308-82-0x0000000007180000-0x000000000719A000-memory.dmp
memory/3308-81-0x0000000007080000-0x0000000007094000-memory.dmp
memory/3308-80-0x0000000007070000-0x000000000707E000-memory.dmp
memory/3308-78-0x00000000070C0000-0x0000000007156000-memory.dmp
memory/3308-77-0x0000000006EB0000-0x0000000006EBA000-memory.dmp
memory/3308-76-0x0000000006E40000-0x0000000006E5A000-memory.dmp
memory/3308-75-0x00000000074C0000-0x0000000007B3A000-memory.dmp
memory/3308-65-0x00000000705C0000-0x000000007060C000-memory.dmp
memory/3308-49-0x0000000004560000-0x0000000004596000-memory.dmp
memory/3308-50-0x0000000004BD0000-0x00000000051F8000-memory.dmp
memory/3308-51-0x0000000005380000-0x00000000053A2000-memory.dmp
memory/3308-52-0x0000000005420000-0x0000000005486000-memory.dmp
memory/3308-53-0x0000000005490000-0x00000000054F6000-memory.dmp
memory/3308-73-0x0000000006110000-0x000000000612E000-memory.dmp
memory/3308-61-0x0000000005530000-0x0000000005884000-memory.dmp
memory/3308-62-0x0000000005B20000-0x0000000005B3E000-memory.dmp
memory/3308-63-0x0000000005B50000-0x0000000005B9C000-memory.dmp
memory/3308-64-0x00000000060D0000-0x0000000006102000-memory.dmp
memory/3520-46-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4232-16-0x0000000000FE0000-0x00000000011D5000-memory.dmp
memory/4232-36-0x0000000000FE0000-0x00000000011D5000-memory.dmp
memory/4528-45-0x0000000009020000-0x00000000090BC000-memory.dmp
memory/4528-34-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4528-44-0x0000000006970000-0x00000000069C4000-memory.dmp
memory/4528-43-0x0000000005080000-0x0000000005090000-memory.dmp
memory/4528-38-0x0000000004EA0000-0x0000000004F32000-memory.dmp
memory/4528-42-0x0000000005370000-0x000000000538A000-memory.dmp
memory/4528-41-0x0000000005100000-0x0000000005174000-memory.dmp
memory/4528-40-0x0000000005050000-0x000000000505A000-memory.dmp
memory/4528-39-0x0000000005080000-0x0000000005090000-memory.dmp
memory/4528-37-0x00000000053B0000-0x0000000005954000-memory.dmp
memory/4776-92-0x0000000000AE0000-0x0000000000AEE000-memory.dmp
memory/4776-93-0x0000000005280000-0x00000000052BC000-memory.dmp
memory/4776-94-0x0000000005240000-0x0000000005261000-memory.dmp