Analysis
- max time kernel
149s - max time network
147s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
03/04/2024, 03:32
General
- Target 27911e4d44d2285a4c6f571a1bf82d18b2b58772105c45893b8efe7d0e6fb493.exe
- Size 1.8MB
- Sample240403-d35tfafb45
- SHA256 27911e4d44d2285a4c6f571a1bf82d18b2b58772105c45893b8efe7d0e6fb493
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 WriteProcessMemory 12 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\27911e4d44d2285a4c6f571a1bf82d18b2b58772105c45893b8efe7d0e6fb493.exe"C:\Users\Admin\AppData\Local\Temp\27911e4d44d2285a4c6f571a1bf82d18b2b58772105c45893b8efe7d0e6fb493.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
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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\594324687199_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_rpydmcpx.jzv.ps1
clip64.dll
cred64.dll
memory/1540-53-0x000002C57F990000-0x000002C57F99A000-memory.dmp
memory/1540-46-0x000002C519C40000-0x000002C519C50000-memory.dmp
memory/1540-45-0x00007FFBF7610000-0x00007FFBF80D2000-memory.dmp
memory/1540-51-0x000002C519C40000-0x000002C519C50000-memory.dmp
memory/1540-52-0x000002C57FD80000-0x000002C57FD92000-memory.dmp
memory/1540-44-0x000002C57F9B0000-0x000002C57F9D2000-memory.dmp
memory/1540-59-0x00007FFBF7610000-0x00007FFBF80D2000-memory.dmp
memory/4404-1-0x00000000776D6000-0x00000000776D8000-memory.dmp
memory/4404-3-0x0000000004ED0000-0x0000000004ED1000-memory.dmp
memory/4404-0-0x0000000000D70000-0x0000000001223000-memory.dmp
memory/4404-4-0x0000000004EC0000-0x0000000004EC1000-memory.dmp
memory/4404-8-0x0000000004F20000-0x0000000004F21000-memory.dmp
memory/4404-5-0x0000000004F00000-0x0000000004F01000-memory.dmp
memory/4404-7-0x0000000004EB0000-0x0000000004EB1000-memory.dmp
memory/4404-2-0x0000000000D70000-0x0000000001223000-memory.dmp
memory/4404-13-0x0000000000D70000-0x0000000001223000-memory.dmp
memory/4404-6-0x0000000004EA0000-0x0000000004EA1000-memory.dmp
memory/5084-20-0x0000000004FA0000-0x0000000004FA1000-memory.dmp
memory/5084-19-0x0000000004FC0000-0x0000000004FC1000-memory.dmp
memory/5084-25-0x0000000005000000-0x0000000005001000-memory.dmp
memory/5084-24-0x0000000005010000-0x0000000005011000-memory.dmp
memory/5084-23-0x0000000004F90000-0x0000000004F91000-memory.dmp
memory/5084-22-0x0000000004F80000-0x0000000004F81000-memory.dmp
memory/5084-50-0x0000000000520000-0x00000000009D3000-memory.dmp
memory/5084-21-0x0000000004FE0000-0x0000000004FE1000-memory.dmp
memory/5084-18-0x0000000004FB0000-0x0000000004FB1000-memory.dmp
memory/5084-26-0x0000000000520000-0x00000000009D3000-memory.dmp
memory/5084-17-0x0000000000520000-0x00000000009D3000-memory.dmp
memory/5084-60-0x0000000000520000-0x00000000009D3000-memory.dmp
memory/5084-16-0x0000000000520000-0x00000000009D3000-memory.dmp
memory/5084-72-0x0000000000520000-0x00000000009D3000-memory.dmp
memory/5084-73-0x0000000000520000-0x00000000009D3000-memory.dmp
memory/5084-74-0x0000000000520000-0x00000000009D3000-memory.dmp
memory/5084-75-0x0000000000520000-0x00000000009D3000-memory.dmp
memory/5084-76-0x0000000000520000-0x00000000009D3000-memory.dmp
memory/5084-77-0x0000000000520000-0x00000000009D3000-memory.dmp
memory/5084-78-0x0000000000520000-0x00000000009D3000-memory.dmp