Analysis
- max time kernel
149s - max time network
160s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
28/03/2024, 08:29
General
- Target eed1d84c1b05dc7831367d78e78b3fff974bc837ba15334cd86070f3b13b69d3.exe
- Size 1.9MB
- Sample240328-kdnbesea53
- SHA256 eed1d84c1b05dc7831367d78e78b3fff974bc837ba15334cd86070f3b13b69d3
Malware Config
Extracted
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amadey
-
4.17
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http://185.215.113.32
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install_dir
00c07260dc
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install_file
explorgu.exe
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strings_key
461809bd97c251ba0c0c8450c7055f1d
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url_paths
/yandex/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 2 IoCs
- Blocklisted process makes network request 2 IoCs
- Downloads MZ/PE file
- Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Executes dropped EXE 1 IoCs
- Identifies Wine through registry keys 2 TTPs 2 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
- Loads dropped DLL 3 IoCs
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 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 16 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\eed1d84c1b05dc7831367d78e78b3fff974bc837ba15334cd86070f3b13b69d3.exe"C:\Users\Admin\AppData\Local\Temp\eed1d84c1b05dc7831367d78e78b3fff974bc837ba15334cd86070f3b13b69d3.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
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C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exeC:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.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
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll, Main2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\netsh.exenetsh wlan show profiles4⤵
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\852399462405_Desktop.zip' -CompressionLevel Optimal4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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-
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll, Main2⤵
- Blocklisted process makes network request
- Loads dropped DLL
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
explorgu.exe
__PSScriptPolicyTest_iu1k1dyf.rft.ps1
clip64.dll
cred64.dll
memory/1364-8-0x0000000005930000-0x0000000005931000-memory.dmp
memory/1364-6-0x0000000005990000-0x0000000005991000-memory.dmp
memory/1364-4-0x0000000005960000-0x0000000005961000-memory.dmp
memory/1364-7-0x0000000005920000-0x0000000005921000-memory.dmp
memory/1364-3-0x0000000005950000-0x0000000005951000-memory.dmp
memory/1364-9-0x0000000005980000-0x0000000005981000-memory.dmp
memory/1364-11-0x00000000059A0000-0x00000000059A1000-memory.dmp
memory/1364-10-0x00000000059B0000-0x00000000059B1000-memory.dmp
memory/1364-16-0x0000000000F20000-0x00000000013FD000-memory.dmp
memory/1364-5-0x0000000005940000-0x0000000005941000-memory.dmp
memory/1364-2-0x0000000000F20000-0x00000000013FD000-memory.dmp
memory/1364-0-0x0000000000F20000-0x00000000013FD000-memory.dmp
memory/1364-1-0x0000000077A06000-0x0000000077A08000-memory.dmp
memory/4576-64-0x00007FFEBFE80000-0x00007FFEC0942000-memory.dmp
memory/4576-53-0x00007FFEBFE80000-0x00007FFEC0942000-memory.dmp
memory/4576-58-0x00000182EE640000-0x00000182EE64A000-memory.dmp
memory/4576-57-0x00000182EE760000-0x00000182EE772000-memory.dmp
memory/4576-55-0x00000182EE4F0000-0x00000182EE500000-memory.dmp
memory/4576-52-0x00000182EE5B0000-0x00000182EE5D2000-memory.dmp
memory/4576-54-0x00000182EE4F0000-0x00000182EE500000-memory.dmp
memory/4664-30-0x00000000002D0000-0x00000000007AD000-memory.dmp
memory/4664-22-0x0000000004FD0000-0x0000000004FD1000-memory.dmp
memory/4664-23-0x0000000004FB0000-0x0000000004FB1000-memory.dmp
memory/4664-43-0x00000000002D0000-0x00000000007AD000-memory.dmp
memory/4664-21-0x0000000004FC0000-0x0000000004FC1000-memory.dmp
memory/4664-29-0x0000000005010000-0x0000000005011000-memory.dmp
memory/4664-28-0x0000000005020000-0x0000000005021000-memory.dmp
memory/4664-27-0x0000000004FF0000-0x0000000004FF1000-memory.dmp
memory/4664-25-0x0000000004F90000-0x0000000004F91000-memory.dmp
memory/4664-56-0x00000000002D0000-0x00000000007AD000-memory.dmp
memory/4664-26-0x0000000004FA0000-0x0000000004FA1000-memory.dmp
memory/4664-24-0x0000000005000000-0x0000000005001000-memory.dmp
memory/4664-20-0x00000000002D0000-0x00000000007AD000-memory.dmp
memory/4664-65-0x00000000002D0000-0x00000000007AD000-memory.dmp
memory/4664-19-0x00000000002D0000-0x00000000007AD000-memory.dmp
memory/4664-77-0x00000000002D0000-0x00000000007AD000-memory.dmp
memory/4664-78-0x00000000002D0000-0x00000000007AD000-memory.dmp
memory/4664-79-0x00000000002D0000-0x00000000007AD000-memory.dmp
memory/4664-80-0x00000000002D0000-0x00000000007AD000-memory.dmp
memory/4664-81-0x00000000002D0000-0x00000000007AD000-memory.dmp
memory/4664-82-0x00000000002D0000-0x00000000007AD000-memory.dmp
memory/4664-83-0x00000000002D0000-0x00000000007AD000-memory.dmp
memory/4664-84-0x00000000002D0000-0x00000000007AD000-memory.dmp
memory/4664-85-0x00000000002D0000-0x00000000007AD000-memory.dmp