Analysis
- max time kernel
147s - max time network
137s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
03/04/2024, 22:50
General
- Target a80e988f3b2c8e2b8617a176a1e8f4fb5fe1c4b4ddf99c13d6fd639c4f876de6.exe
- Size 1.8MB
- Sample240403-2sasbaff66
- SHA256 a80e988f3b2c8e2b8617a176a1e8f4fb5fe1c4b4ddf99c13d6fd639c4f876de6
Malware Config
Extracted
-
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\a80e988f3b2c8e2b8617a176a1e8f4fb5fe1c4b4ddf99c13d6fd639c4f876de6.exe"C:\Users\Admin\AppData\Local\Temp\a80e988f3b2c8e2b8617a176a1e8f4fb5fe1c4b4ddf99c13d6fd639c4f876de6.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\637591879962_Desktop.zip' -CompressionLevel Optimal4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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_dl2lowcu.kql.ps1
clip64.dll
cred64.dll
memory/1156-26-0x0000000005150000-0x0000000005151000-memory.dmp
memory/1156-63-0x00000000007A0000-0x0000000000C61000-memory.dmp
memory/1156-82-0x00000000007A0000-0x0000000000C61000-memory.dmp
memory/1156-81-0x00000000007A0000-0x0000000000C61000-memory.dmp
memory/1156-80-0x00000000007A0000-0x0000000000C61000-memory.dmp
memory/1156-79-0x00000000007A0000-0x0000000000C61000-memory.dmp
memory/1156-78-0x00000000007A0000-0x0000000000C61000-memory.dmp
memory/1156-77-0x00000000007A0000-0x0000000000C61000-memory.dmp
memory/1156-17-0x00000000007A0000-0x0000000000C61000-memory.dmp
memory/1156-18-0x00000000007A0000-0x0000000000C61000-memory.dmp
memory/1156-25-0x0000000005120000-0x0000000005121000-memory.dmp
memory/1156-24-0x00000000050D0000-0x00000000050D1000-memory.dmp
memory/1156-23-0x00000000050C0000-0x00000000050C1000-memory.dmp
memory/1156-20-0x0000000005100000-0x0000000005101000-memory.dmp
memory/1156-22-0x0000000005130000-0x0000000005131000-memory.dmp
memory/1156-21-0x00000000050E0000-0x00000000050E1000-memory.dmp
memory/1156-19-0x00000000050F0000-0x00000000050F1000-memory.dmp
memory/1156-27-0x0000000005140000-0x0000000005141000-memory.dmp
memory/1156-76-0x00000000007A0000-0x0000000000C61000-memory.dmp
memory/1156-28-0x00000000007A0000-0x0000000000C61000-memory.dmp
memory/1156-75-0x00000000007A0000-0x0000000000C61000-memory.dmp
memory/1156-62-0x00000000007A0000-0x0000000000C61000-memory.dmp
memory/1156-53-0x00000000007A0000-0x0000000000C61000-memory.dmp
memory/2868-50-0x00007FFEFC6A0000-0x00007FFEFD162000-memory.dmp
memory/2868-51-0x000001BF66720000-0x000001BF66730000-memory.dmp
memory/2868-49-0x000001BF66770000-0x000001BF66792000-memory.dmp
memory/2868-52-0x000001BF66720000-0x000001BF66730000-memory.dmp
memory/2868-55-0x000001BF668F0000-0x000001BF668FA000-memory.dmp
memory/2868-54-0x000001BF66910000-0x000001BF66922000-memory.dmp
memory/2868-61-0x00007FFEFC6A0000-0x00007FFEFD162000-memory.dmp
memory/2976-1-0x0000000076FE6000-0x0000000076FE8000-memory.dmp
memory/2976-2-0x0000000000670000-0x0000000000B31000-memory.dmp
memory/2976-4-0x0000000005240000-0x0000000005241000-memory.dmp
memory/2976-5-0x0000000005280000-0x0000000005281000-memory.dmp
memory/2976-0-0x0000000000670000-0x0000000000B31000-memory.dmp
memory/2976-3-0x0000000005250000-0x0000000005251000-memory.dmp
memory/2976-14-0x0000000000670000-0x0000000000B31000-memory.dmp
memory/2976-9-0x00000000052A0000-0x00000000052A1000-memory.dmp
memory/2976-8-0x0000000005260000-0x0000000005261000-memory.dmp
memory/2976-7-0x0000000005230000-0x0000000005231000-memory.dmp
memory/2976-6-0x0000000005220000-0x0000000005221000-memory.dmp