Analysis
- max time kernel
146s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
16/06/2024, 15:25
General
- Target 8d8bf6e3fdf074f81a1b556b269e0e01a2c4f7888aec9d12fc5d18006bed2f89.exe
- Size 1.8MB
- Sample240616-st5jmssepr
- SHA256 8d8bf6e3fdf074f81a1b556b269e0e01a2c4f7888aec9d12fc5d18006bed2f89
Malware Config
Extracted
-
amadey
-
4.21
-
0e6740
-
http://147.45.47.155
-
install_dir
9217037dc9
-
install_file
explortu.exe
-
strings_key
8e894a8a4a3d0da8924003a561cfb244
-
url_paths
/ku4Nor9/index.php
Signatures
- Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 4 IoCs
- Checks BIOS information in registry 2 TTPs 8 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Executes dropped EXE 3 IoCs
- Identifies Wine through registry keys 2 TTPs 4 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
- Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
- Drops file in Windows directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\8d8bf6e3fdf074f81a1b556b269e0e01a2c4f7888aec9d12fc5d18006bed2f89.exe"C:\Users\Admin\AppData\Local\Temp\8d8bf6e3fdf074f81a1b556b269e0e01a2c4f7888aec9d12fc5d18006bed2f89.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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe"C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe"2⤵
- 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
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exeC:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe1⤵
- 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
- Suspicious behavior: EnumeratesProcesses
-
C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exeC:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe1⤵
- 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
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
explortu.exe
memory/1916-27-0x0000000000130000-0x00000000005E4000-memory.dmp
memory/1916-35-0x0000000000130000-0x00000000005E4000-memory.dmp
memory/1916-46-0x0000000000130000-0x00000000005E4000-memory.dmp
memory/1916-45-0x0000000000130000-0x00000000005E4000-memory.dmp
memory/1916-44-0x0000000000130000-0x00000000005E4000-memory.dmp
memory/1916-39-0x0000000000130000-0x00000000005E4000-memory.dmp
memory/1916-18-0x0000000000130000-0x00000000005E4000-memory.dmp
memory/1916-20-0x0000000000130000-0x00000000005E4000-memory.dmp
memory/1916-28-0x0000000000130000-0x00000000005E4000-memory.dmp
memory/1916-21-0x0000000000130000-0x00000000005E4000-memory.dmp
memory/1916-22-0x0000000000130000-0x00000000005E4000-memory.dmp
memory/1916-23-0x0000000000130000-0x00000000005E4000-memory.dmp
memory/1916-24-0x0000000000130000-0x00000000005E4000-memory.dmp
memory/1916-25-0x0000000000130000-0x00000000005E4000-memory.dmp
memory/1916-38-0x0000000000130000-0x00000000005E4000-memory.dmp
memory/1916-37-0x0000000000130000-0x00000000005E4000-memory.dmp
memory/1916-19-0x0000000000131000-0x000000000015F000-memory.dmp
memory/1916-36-0x0000000000130000-0x00000000005E4000-memory.dmp
memory/1916-26-0x0000000000130000-0x00000000005E4000-memory.dmp
memory/1916-34-0x0000000000130000-0x00000000005E4000-memory.dmp
memory/2088-33-0x0000000000130000-0x00000000005E4000-memory.dmp
memory/2088-32-0x0000000000130000-0x00000000005E4000-memory.dmp
memory/2088-31-0x0000000000130000-0x00000000005E4000-memory.dmp
memory/2088-30-0x0000000000130000-0x00000000005E4000-memory.dmp
memory/2212-41-0x0000000000130000-0x00000000005E4000-memory.dmp
memory/2212-43-0x0000000000130000-0x00000000005E4000-memory.dmp
memory/5100-0-0x00000000000D0000-0x0000000000584000-memory.dmp
memory/5100-2-0x00000000000D1000-0x00000000000FF000-memory.dmp
memory/5100-17-0x00000000000D0000-0x0000000000584000-memory.dmp
memory/5100-1-0x00000000771E6000-0x00000000771E8000-memory.dmp
memory/5100-5-0x00000000000D0000-0x0000000000584000-memory.dmp
memory/5100-3-0x00000000000D0000-0x0000000000584000-memory.dmp