Analysis
- max time kernel
149s - max time network
155s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
28/02/2026, 15:00
General
- Target rOrdendecompraf.exe
- Size 1.1MB
- Sample260228-sdlrlabw7h
- SHA256 238441c6a05dd55e6cee3b33c991a8d91302c9e687e4607f2b33ca74dc850ea5
Malware Config
Signatures
- .NET Reactor proctector 1 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Windows directory 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\rOrdendecompraf.exe"C:\Users\Admin\AppData\Local\Temp\rOrdendecompraf.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"2⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\firehalls.exeC:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\firehalls.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
firehalls.exe
memory/1208-12-0x00000000078E0000-0x00000000078F8000-memory.dmp
memory/1208-13-0x0000000009F50000-0x0000000009F56000-memory.dmp
memory/1208-3-0x0000000005210000-0x00000000052AC000-memory.dmp
memory/1208-0-0x0000000000540000-0x0000000000660000-memory.dmp
memory/1208-5-0x0000000005100000-0x000000000510A000-memory.dmp
memory/1208-6-0x0000000005470000-0x00000000054B4000-memory.dmp
memory/1208-7-0x00000000050D0000-0x00000000050E0000-memory.dmp
memory/1208-8-0x00000000052B0000-0x0000000005371000-memory.dmp
memory/1208-2-0x0000000005110000-0x00000000051A2000-memory.dmp
memory/1208-9-0x00000000050D0000-0x00000000050E0000-memory.dmp
memory/1208-4-0x00000000050D0000-0x00000000050E0000-memory.dmp
memory/1208-14-0x00000000052B0000-0x0000000005371000-memory.dmp
memory/1208-1-0x00000000057C0000-0x0000000005D66000-memory.dmp
memory/1208-21-0x00000000052B0000-0x0000000005371000-memory.dmp
memory/1492-19-0x0000000000400000-0x000000000046A000-memory.dmp
memory/1492-17-0x0000000000400000-0x000000000046A000-memory.dmp
memory/2204-35-0x0000000003070000-0x000000000309A000-memory.dmp
memory/2204-34-0x0000000000D40000-0x0000000000D4C000-memory.dmp
memory/2204-36-0x00000000056A0000-0x00000000056F6000-memory.dmp