Analysis
- max time kernel
140s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
29/03/2024, 07:31
General
- Target 603ace88a70b2e05ae6d1837961b83ff.exe
- Size 1.8MB
- Sample240329-jcdvxscd6s
- SHA256 5c6e19b88566c3eb7dae582faebbe260b329a227140a8dd35d4ee947749f36fb
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.
- 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 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\603ace88a70b2e05ae6d1837961b83ff.exe"C:\Users\Admin\AppData\Local\Temp\603ace88a70b2e05ae6d1837961b83ff.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
- 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\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\660967641992_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_2hfkzxpc.xz3.ps1
clip64.dll
cred64.dll
memory/720-63-0x00007FF9B8E20000-0x00007FF9B98E1000-memory.dmp
memory/720-57-0x000001747A730000-0x000001747A73A000-memory.dmp
memory/720-56-0x000001747A740000-0x000001747A752000-memory.dmp
memory/720-55-0x00000174601B0000-0x00000174601C0000-memory.dmp
memory/720-53-0x00000174601B0000-0x00000174601C0000-memory.dmp
memory/720-52-0x00000174601B0000-0x00000174601C0000-memory.dmp
memory/720-51-0x00007FF9B8E20000-0x00007FF9B98E1000-memory.dmp
memory/720-50-0x000001747A4B0000-0x000001747A4D2000-memory.dmp
memory/728-27-0x0000000005150000-0x0000000005151000-memory.dmp
memory/728-28-0x0000000000CA0000-0x000000000114C000-memory.dmp
memory/728-19-0x0000000000CA0000-0x000000000114C000-memory.dmp
memory/728-20-0x0000000005110000-0x0000000005111000-memory.dmp
memory/728-25-0x00000000050F0000-0x00000000050F1000-memory.dmp
memory/728-24-0x00000000050E0000-0x00000000050E1000-memory.dmp
memory/728-23-0x0000000005140000-0x0000000005141000-memory.dmp
memory/728-22-0x0000000005100000-0x0000000005101000-memory.dmp
memory/728-21-0x0000000005120000-0x0000000005121000-memory.dmp
memory/728-26-0x0000000005160000-0x0000000005161000-memory.dmp
memory/728-83-0x0000000000CA0000-0x000000000114C000-memory.dmp
memory/728-64-0x0000000000CA0000-0x000000000114C000-memory.dmp
memory/728-82-0x0000000000CA0000-0x000000000114C000-memory.dmp
memory/728-81-0x0000000000CA0000-0x000000000114C000-memory.dmp
memory/728-80-0x0000000000CA0000-0x000000000114C000-memory.dmp
memory/728-79-0x0000000000CA0000-0x000000000114C000-memory.dmp
memory/728-78-0x0000000000CA0000-0x000000000114C000-memory.dmp
memory/728-18-0x0000000000CA0000-0x000000000114C000-memory.dmp
memory/728-54-0x0000000000CA0000-0x000000000114C000-memory.dmp
memory/728-77-0x0000000000CA0000-0x000000000114C000-memory.dmp
memory/728-65-0x0000000000CA0000-0x000000000114C000-memory.dmp
memory/1892-8-0x0000000005400000-0x0000000005401000-memory.dmp
memory/1892-2-0x0000000000A70000-0x0000000000F1C000-memory.dmp
memory/1892-3-0x0000000005420000-0x0000000005421000-memory.dmp
memory/1892-4-0x0000000005430000-0x0000000005431000-memory.dmp
memory/1892-1-0x00000000774D4000-0x00000000774D6000-memory.dmp
memory/1892-5-0x0000000005410000-0x0000000005411000-memory.dmp
memory/1892-7-0x00000000053F0000-0x00000000053F1000-memory.dmp
memory/1892-6-0x0000000005450000-0x0000000005451000-memory.dmp
memory/1892-10-0x0000000005470000-0x0000000005471000-memory.dmp
memory/1892-9-0x0000000005480000-0x0000000005481000-memory.dmp
memory/1892-15-0x0000000000A70000-0x0000000000F1C000-memory.dmp
memory/1892-0-0x0000000000A70000-0x0000000000F1C000-memory.dmp