Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
02/11/2026, 07:50
General
- Target 61d41aaeff978386e11001d79f57e503.exe
- Size 1.8MB
- Sample261102-jpb7vs1yf1
- SHA256 49e3c2ccfe72dfe8eee240ced76a90983b1859b0126669c63a8cf12c52200eb9
Malware Config
Signatures
- Executes a file named after a Windows system binary 1 TTPs 1 IoCs
The file runs from a user directory while carrying the name of an executable that normally only exists in System32.
- Executes dropped EXE 6 IoCs
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- Reads the TCP/IP host and domain name from the registry 1 TTPs 1 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Runs ping.exe 1 TTPs 1 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of WriteProcessMemory 6 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:\Users\Admin\AppData\Local\Temp\61d41aaeff978386e11001d79f57e503.exe"C:\Users\Admin\AppData\Local\Temp\61d41aaeff978386e11001d79f57e503.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\ProgramData\OasisLoader\61d41aaeff978386e11001d79f57e503.exe"C:\ProgramData\OasisLoader\61d41aaeff978386e11001d79f57e503.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Microsoft\DeviceMetadata\svchost.exe"C:\Users\Admin\AppData\Local\Microsoft\DeviceMetadata\svchost.exe" --svc3⤵
- Executes a file named after a Windows system binary
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exeschtasks.exe /Query /TN "WindowsUpdateAssistantTask"4⤵
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C:\Windows\SYSTEM32\schtasks.exeschtasks.exe /Create /XML "C:\Users\Admin\AppData\Local\Temp\pawnwu_0e596354.xml" /TN "WindowsUpdateAssistantTask" /F4⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c ping -n 12 127.0.0.1 >nul & del /f /q "C:\ProgramData\OasisLoader\61d41aaeff978386e11001d79f57e503.exe" >nul 2>&12⤵
- Executes a command shell one-liner
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\PING.EXEping -n 12 127.0.0.13⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
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C:\Users\Admin\AppData\Local\Microsoft\DeviceMetadata\svchost.exeC:\Users\Admin\AppData\Local\Microsoft\DeviceMetadata\svchost.exe1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Microsoft\DeviceMetadata\svchost.exe"C:\Users\Admin\AppData\Local\Microsoft\DeviceMetadata\svchost.exe"1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Microsoft\DeviceMetadata\svchost.exe"C:\Users\Admin\AppData\Local\Microsoft\DeviceMetadata\svchost.exe"1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Microsoft\DeviceMetadata\svchost.exe"C:\Users\Admin\AppData\Local\Microsoft\DeviceMetadata\svchost.exe"1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
61d41aaeff978386e11001d79f57e503.exe
pawnwu_0e596354.xml
memory/472-70-0x0000000140000000-0x0000000140167000-memory.dmp
memory/472-68-0x0000000140000000-0x0000000140167000-memory.dmp
memory/472-66-0x0000000140000000-0x0000000140167000-memory.dmp
memory/472-69-0x0000000140000000-0x0000000140167000-memory.dmp
memory/472-67-0x0000000140000000-0x0000000140167000-memory.dmp
memory/1176-81-0x0000000140000000-0x0000000140167000-memory.dmp
memory/1176-80-0x0000000140000000-0x0000000140167000-memory.dmp
memory/1176-82-0x0000000140000000-0x0000000140167000-memory.dmp
memory/1176-83-0x0000000140000000-0x0000000140167000-memory.dmp
memory/1176-84-0x0000000140000000-0x0000000140167000-memory.dmp
memory/3744-98-0x0000000140000000-0x0000000140167000-memory.dmp
memory/3744-97-0x0000000140000000-0x0000000140167000-memory.dmp
memory/3744-96-0x0000000140000000-0x0000000140167000-memory.dmp
memory/3744-95-0x0000000140000000-0x0000000140167000-memory.dmp
memory/3744-94-0x0000000140000000-0x0000000140167000-memory.dmp
memory/4612-52-0x0000000140000000-0x0000000140167000-memory.dmp
memory/4612-54-0x0000000140000000-0x0000000140167000-memory.dmp
memory/4612-51-0x0000000140000000-0x0000000140167000-memory.dmp
memory/4612-55-0x0000000140000000-0x0000000140167000-memory.dmp
memory/4612-53-0x0000000140000000-0x0000000140167000-memory.dmp
memory/4768-23-0x00007FFFC47B0000-0x00007FFFC5154000-memory.dmp
memory/4768-0-0x00007FFFC493F000-0x00007FFFC4940000-memory.dmp
memory/4768-25-0x00007FFFC47B0000-0x00007FFFC5154000-memory.dmp
memory/4768-24-0x00007FFFC47B0000-0x00007FFFC5154000-memory.dmp
memory/4768-56-0x00007FFFC47B0000-0x00007FFFC5154000-memory.dmp
memory/4768-8-0x00007FFFC47B0000-0x00007FFFC5154000-memory.dmp
memory/4768-5-0x00007FFFC47B0000-0x00007FFFC5154000-memory.dmp
memory/4768-4-0x00007FFFC47B0000-0x00007FFFC5154000-memory.dmp
memory/4768-3-0x00007FFFC47B0000-0x00007FFFC5154000-memory.dmp
memory/4768-2-0x00007FFFC47B0000-0x00007FFFC5154000-memory.dmp
memory/4768-1-0x0000000000B10000-0x0000000000CDE000-memory.dmp
memory/4780-22-0x0000000140000000-0x0000000140167000-memory.dmp
memory/4780-26-0x0000000140000000-0x0000000140167000-memory.dmp
memory/4780-28-0x0000000140000000-0x0000000140167000-memory.dmp
memory/4780-12-0x0000000140000000-0x0000000140167000-memory.dmp
memory/4780-21-0x0000000140000000-0x0000000140167000-memory.dmp
memory/4780-20-0x0000000140000000-0x0000000140167000-memory.dmp
memory/5356-37-0x0000000140000000-0x0000000140167000-memory.dmp
memory/5356-38-0x0000000140000000-0x0000000140167000-memory.dmp
memory/5356-39-0x0000000140000000-0x0000000140167000-memory.dmp