Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
02/11/2026, 12:14
General
- Target pyservice92.exe
- Size 6.3MB
- Sample261102-pee4nas1a1
- SHA256 e8a91238df80f4649099f7cbec4460e0bc533a046a598392b14a378cc5d56075
Malware Config
Signatures
- Family: xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
- Suspicious use of NtCreateUserProcessOtherParentProcess 1 TTPs 2 IoCs
- XMRig Miner payload 17 IoCs
- Executes dropped EXE 2 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 4 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Suspicious use of SetThreadContext 2 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of FindShellTrayWindow 2 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:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
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C:\Users\Admin\AppData\Local\Temp\pyservice92.exe"C:\Users\Admin\AppData\Local\Temp\pyservice92.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -NoProfile -ExecutionPolicy Bypass -Command "$script = [ScriptBlock]::Create(($input | Out-String)); & $script .\def.ps1 C:\\"3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\Microsoft\WindowsApps\Cache\Runtime\webtask7493_b0c6.exe"C:\Users\Admin\AppData\Roaming\Microsoft\WindowsApps\Cache\Runtime\webtask7493_b0c6.exe"3⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Reads the TCP/IP host and domain name from the registry
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\notepad.exe"C:\Windows\system32\notepad.exe" --encargs 6c490906002010084402241208054e724440064e310b02054029051e01182011011d40311602535a75574d441b615c5e335d021028013b70283a2205363e38062504571e21592c3637315c35022011252703030a233b2a1c305670012e2f2f02290a0f1f04510939012e003b312c3137342259143d2311560f37062c0836130c1957063c193b38703e3f1023064440194e71565c584e6c4919051d6149400a1e34490008166c10051b0b20001e4406280a195456714440084e331c42592⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
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C:\Windows\system32\notepad.exe"C:\Windows\system32\notepad.exe" --encargs 6c490906002010084402241208054e724440064e310b02054029051e01182011011d40311602535a75574d441b615c5e335d021028013b70283a2205363e38062504571e21592c3637315c35022011252703030a233b2a1c305670012e2f2f02290a0f1f04510939012e003b312c3137342259143d2311560f37062c0836130c1957063c193b38703e3f1023064440194e71565c584e6c4919051d6149400a1e34490008166c10051b0b20001e4406280a195456714440084e331c42592⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
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C:\Users\Admin\AppData\Roaming\Microsoft\WindowsApps\Cache\pyservice92.exeC:\Users\Admin\AppData\Roaming\Microsoft\WindowsApps\Cache\pyservice92.exe1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
__PSScriptPolicyTest_rb5nddbs.djj.ps1
webtask7493_b0c6.exe
pyservice92.exe
memory/1208-23-0x00007FF67C350000-0x00007FF67CB48000-memory.dmp
memory/2352-20-0x000001DB6B800000-0x000001DB6B820000-memory.dmp
memory/2352-21-0x00007FF788110000-0x00007FF78896A000-memory.dmp
memory/4892-1-0x000001DDC7D10000-0x000001DDC7D20000-memory.dmp
memory/4892-0-0x000001DDC7D10000-0x000001DDC7D20000-memory.dmp
memory/4892-2-0x000001DDC7E00000-0x000001DDC7E22000-memory.dmp
memory/4892-10-0x000001DDC7D10000-0x000001DDC7D20000-memory.dmp
memory/5352-24-0x00007FF63F080000-0x00007FF63F8DA000-memory.dmp
memory/5352-26-0x00007FF63F080000-0x00007FF63F8DA000-memory.dmp
memory/5352-28-0x00007FF63F080000-0x00007FF63F8DA000-memory.dmp
memory/5352-30-0x00007FF63F080000-0x00007FF63F8DA000-memory.dmp
memory/5352-32-0x00007FF63F080000-0x00007FF63F8DA000-memory.dmp
memory/5352-34-0x00007FF63F080000-0x00007FF63F8DA000-memory.dmp
memory/5352-36-0x00007FF63F080000-0x00007FF63F8DA000-memory.dmp
memory/5352-38-0x00007FF63F080000-0x00007FF63F8DA000-memory.dmp
memory/5352-40-0x00007FF63F080000-0x00007FF63F8DA000-memory.dmp
memory/5352-42-0x00007FF63F080000-0x00007FF63F8DA000-memory.dmp
memory/5352-44-0x00007FF63F080000-0x00007FF63F8DA000-memory.dmp
memory/5352-46-0x00007FF63F080000-0x00007FF63F8DA000-memory.dmp
memory/5352-48-0x00007FF63F080000-0x00007FF63F8DA000-memory.dmp