Analysis
- max time kernel
148s - max time network
135s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
14/09/2026, 13:32
General
- Target fa1b9b5ce18e505cc485fe8eaedd26abe4053bd0.bat
- Size 5KB
- Sample260914-qs6zza1flf
- SHA256 d1a6f93ba2ca7025ff4c173da66ee4a59665e966667567a71c47829820cb64a7
Malware Config
Signatures
- Family: Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Badlisted process makes network request 5 IoCs
Network request originating from process or tool commonly abused by malware.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 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.
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\fa1b9b5ce18e505cc485fe8eaedd26abe4053bd0.bat"1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo %Beklaedning% "2⤵
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C:\Windows\syswow64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\syswow64\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -2⤵
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"3⤵
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C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"3⤵
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/1708-28-0x00000000012E0000-0x0000000001331000-memory.dmp
memory/2136-14-0x0000000008000000-0x000000000867C000-memory.dmp
memory/2136-25-0x00000000745B0000-0x0000000074D6C000-memory.dmp
memory/2136-3-0x0000000005820000-0x0000000005E6A000-memory.dmp
memory/2136-5-0x00000000057A0000-0x0000000005806000-memory.dmp
memory/2136-6-0x0000000005E70000-0x0000000005ED6000-memory.dmp
memory/2136-7-0x00000000745B0000-0x0000000074D6C000-memory.dmp
memory/2136-10-0x0000000005FA0000-0x00000000062FB000-memory.dmp
memory/2136-4-0x0000000005700000-0x0000000005722000-memory.dmp
memory/2136-11-0x00000000064E0000-0x00000000064FE000-memory.dmp
memory/2136-12-0x0000000006500000-0x000000000654C000-memory.dmp
memory/2136-13-0x00000000076A0000-0x00000000076E8000-memory.dmp
memory/2136-0-0x00000000745C2000-0x00000000745C3000-memory.dmp
memory/2136-2-0x00000000745B0000-0x0000000074D6C000-memory.dmp
memory/2136-17-0x0000000007A50000-0x0000000007A72000-memory.dmp
memory/2136-15-0x00000000079A0000-0x00000000079BA000-memory.dmp
memory/2136-18-0x0000000008C40000-0x00000000091FA000-memory.dmp
memory/2136-19-0x00000000745B0000-0x0000000074D6C000-memory.dmp
memory/2136-20-0x00000000745C2000-0x00000000745C3000-memory.dmp
memory/2136-21-0x00000000745B0000-0x0000000074D6C000-memory.dmp
memory/2136-22-0x00000000745B0000-0x0000000074D6C000-memory.dmp
memory/2136-24-0x00000000745B0000-0x0000000074D6C000-memory.dmp
memory/2136-16-0x0000000007AB0000-0x0000000007B46000-memory.dmp
memory/2136-26-0x0000000009200000-0x000000000CDC4000-memory.dmp
memory/2136-27-0x00000000745B0000-0x0000000074D6C000-memory.dmp
memory/2136-1-0x0000000002FB0000-0x0000000002FE6000-memory.dmp