Analysis
- max time kernel
141s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20240412-en - resource tags
- submitted
17/04/2024, 11:29
General
- Target bba0fbbf604326ceaf5e42759648177bfa4bed79c658afc66502e35263c1ff6c.exe
- Size 1.8MB
- Sample240417-nl3ymadc84
- SHA256 bba0fbbf604326ceaf5e42759648177bfa4bed79c658afc66502e35263c1ff6c
Malware Config
Extracted
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amadey
-
4.17
-
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\bba0fbbf604326ceaf5e42759648177bfa4bed79c658afc66502e35263c1ff6c.exe"C:\Users\Admin\AppData\Local\Temp\bba0fbbf604326ceaf5e42759648177bfa4bed79c658afc66502e35263c1ff6c.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
-
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\018789126929_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_lv3seyfb.2bf.ps1
clip64.dll
cred64.dll
memory/1580-5-0x00000000055C0000-0x00000000055C1000-memory.dmp
memory/1580-4-0x00000000055E0000-0x00000000055E1000-memory.dmp
memory/1580-8-0x00000000055B0000-0x00000000055B1000-memory.dmp
memory/1580-7-0x00000000055A0000-0x00000000055A1000-memory.dmp
memory/1580-6-0x0000000005600000-0x0000000005601000-memory.dmp
memory/1580-9-0x0000000005630000-0x0000000005631000-memory.dmp
memory/1580-10-0x0000000005620000-0x0000000005621000-memory.dmp
memory/1580-15-0x0000000000A20000-0x0000000000EE6000-memory.dmp
memory/1580-3-0x00000000055D0000-0x00000000055D1000-memory.dmp
memory/1580-2-0x0000000000A20000-0x0000000000EE6000-memory.dmp
memory/1580-0-0x0000000000A20000-0x0000000000EE6000-memory.dmp
memory/1580-1-0x0000000077126000-0x0000000077128000-memory.dmp
memory/1624-56-0x000001C675C00000-0x000001C675C0A000-memory.dmp
memory/1624-51-0x000001C675B00000-0x000001C675B10000-memory.dmp
memory/1624-62-0x00007FF868A90000-0x00007FF869552000-memory.dmp
memory/1624-55-0x000001C675D10000-0x000001C675D22000-memory.dmp
memory/1624-54-0x000001C675B00000-0x000001C675B10000-memory.dmp
memory/1624-49-0x000001C675B80000-0x000001C675BA2000-memory.dmp
memory/1624-52-0x000001C675B00000-0x000001C675B10000-memory.dmp
memory/1624-50-0x00007FF868A90000-0x00007FF869552000-memory.dmp
memory/4472-28-0x0000000000F80000-0x0000000001446000-memory.dmp
memory/4472-19-0x0000000000F80000-0x0000000001446000-memory.dmp
memory/4472-21-0x0000000004BA0000-0x0000000004BA1000-memory.dmp
memory/4472-25-0x0000000004B70000-0x0000000004B71000-memory.dmp
memory/4472-27-0x0000000004BE0000-0x0000000004BE1000-memory.dmp
memory/4472-26-0x0000000004BF0000-0x0000000004BF1000-memory.dmp
memory/4472-53-0x0000000000F80000-0x0000000001446000-memory.dmp
memory/4472-22-0x0000000004B80000-0x0000000004B81000-memory.dmp
memory/4472-23-0x0000000004BC0000-0x0000000004BC1000-memory.dmp
memory/4472-20-0x0000000004B90000-0x0000000004B91000-memory.dmp
memory/4472-24-0x0000000004B60000-0x0000000004B61000-memory.dmp
memory/4472-63-0x0000000000F80000-0x0000000001446000-memory.dmp
memory/4472-64-0x0000000000F80000-0x0000000001446000-memory.dmp
memory/4472-18-0x0000000000F80000-0x0000000001446000-memory.dmp
memory/4472-76-0x0000000000F80000-0x0000000001446000-memory.dmp
memory/4472-77-0x0000000000F80000-0x0000000001446000-memory.dmp
memory/4472-78-0x0000000000F80000-0x0000000001446000-memory.dmp
memory/4472-79-0x0000000000F80000-0x0000000001446000-memory.dmp
memory/4472-80-0x0000000000F80000-0x0000000001446000-memory.dmp
memory/4472-81-0x0000000000F80000-0x0000000001446000-memory.dmp