Analysis
- max time kernel
150s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
12/09/2026, 08:45
General
- Target 94c58d991b05d1286c73cb0e5bd57bc86b786705426e0c90e806ceea7d7f87aa.exe
- Size 2.0MB
- Sample260912-knw2bavwdv
- SHA256 94c58d991b05d1286c73cb0e5bd57bc86b786705426e0c90e806ceea7d7f87aa
Malware Config
Signatures
- Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs
- Checks BIOS information in registry 2 TTPs 10 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Executes dropped EXE 4 IoCs
- Identifies Wine through registry keys 2 TTPs 5 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
- Adds Run key to start application 2 TTPs 4 IoCs
- Drops file in System32 directory 2 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
- Drops file in Windows directory 4 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 2 IoCs
- Suspicious use of SetWindowsHookEx 10 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\94c58d991b05d1286c73cb0e5bd57bc86b786705426e0c90e806ceea7d7f87aa.exe"C:\Users\Admin\AppData\Local\Temp\94c58d991b05d1286c73cb0e5bd57bc86b786705426e0c90e806ceea7d7f87aa.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\themes\explorer.exec:\windows\resources\themes\explorer.exe2⤵
- Modifies visibility of hidden/system files in Explorer
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe SE3⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
\??\c:\windows\resources\svchost.exec:\windows\resources\svchost.exe4⤵
- Modifies visibility of hidden/system files in Explorer
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe PR5⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Virtualization/Sandbox Evasion
2Replay Monitor
Loading Replay Monitor...
Downloads
explorer.exe
spoolsv.exe
svchost.exe
memory/412-60-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/412-52-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/412-70-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/412-27-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/412-68-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/412-66-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/412-64-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/412-62-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/412-58-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/412-56-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/412-43-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/412-44-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/412-54-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/412-46-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/412-50-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/412-48-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/3616-18-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/3616-39-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/4404-0-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/4404-40-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/4576-32-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/4576-37-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/4612-45-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/4612-41-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/4612-57-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/4612-49-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/4612-53-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/4612-55-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/4612-61-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/4612-59-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/4612-63-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/4612-42-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/4612-65-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/4612-51-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/4612-67-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/4612-47-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/4612-69-0x0000000000400000-0x00000000008A0000-memory.dmp
memory/4612-9-0x0000000000400000-0x00000000008A0000-memory.dmp