Analysis
- max time kernel
54s - max time network
56s - platform
windows10-2004_x64 - resource
win10v2004-20240412-en - resource tags
- submitted
22/04/2024, 04:02
Errors
General
- Target dd1959e8e6a6519b11b5e987afa95cc8d39b08496ce324c909e78345a7188966.exe
- Size 1.8MB
- Sample240422-elxbeafc25
- SHA256 dd1959e8e6a6519b11b5e987afa95cc8d39b08496ce324c909e78345a7188966
Malware Config
Extracted
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amadey
-
4.17
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http://193.233.132.167
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install_dir
4d0ab15804
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install_file
chrosha.exe
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strings_key
1a9519d7b465e1f4880fa09a6162d768
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url_paths
/enigma/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 1 IoCs
- Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 2 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 14 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\dd1959e8e6a6519b11b5e987afa95cc8d39b08496ce324c909e78345a7188966.exe"C:\Users\Admin\AppData\Local\Temp\dd1959e8e6a6519b11b5e987afa95cc8d39b08496ce324c909e78345a7188966.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\4d0ab15804\chrosha.exeC:\Users\Admin\AppData\Local\Temp\4d0ab15804\chrosha.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- 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\c1ec479e5342a2\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\c1ec479e5342a2\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\288054676187_Desktop.zip' -CompressionLevel Optimal4⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
chrosha.exe
cred64.dll
memory/2952-22-0x0000000004B30000-0x0000000004B31000-memory.dmp
memory/2952-25-0x0000000004B10000-0x0000000004B11000-memory.dmp
memory/2952-28-0x00000000006D0000-0x0000000000B89000-memory.dmp
memory/2952-27-0x0000000004B40000-0x0000000004B41000-memory.dmp
memory/2952-26-0x0000000004B50000-0x0000000004B51000-memory.dmp
memory/2952-20-0x0000000004B00000-0x0000000004B01000-memory.dmp
memory/2952-21-0x0000000004AF0000-0x0000000004AF1000-memory.dmp
memory/2952-19-0x00000000006D0000-0x0000000000B89000-memory.dmp
memory/2952-18-0x00000000006D0000-0x0000000000B89000-memory.dmp
memory/2952-23-0x0000000004AD0000-0x0000000004AD1000-memory.dmp
memory/2952-24-0x0000000004AE0000-0x0000000004AE1000-memory.dmp
memory/4124-9-0x0000000004C50000-0x0000000004C51000-memory.dmp
memory/4124-10-0x0000000004C40000-0x0000000004C41000-memory.dmp
memory/4124-2-0x0000000000120000-0x00000000005D9000-memory.dmp
memory/4124-4-0x0000000004C00000-0x0000000004C01000-memory.dmp
memory/4124-15-0x0000000000120000-0x00000000005D9000-memory.dmp
memory/4124-0-0x0000000000120000-0x00000000005D9000-memory.dmp
memory/4124-7-0x0000000004BC0000-0x0000000004BC1000-memory.dmp
memory/4124-8-0x0000000004BD0000-0x0000000004BD1000-memory.dmp
memory/4124-6-0x0000000004C20000-0x0000000004C21000-memory.dmp
memory/4124-5-0x0000000004BE0000-0x0000000004BE1000-memory.dmp
memory/4124-3-0x0000000004BF0000-0x0000000004BF1000-memory.dmp
memory/4124-1-0x00000000772E4000-0x00000000772E6000-memory.dmp