Analysis
- max time kernel
149s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
04/02/2024, 07:14
General
- Target amers.exe
- Size 792KB
- Sample240204-h2x5eseegl
- SHA256 71b221f5f267ec6c822d1c47a7d00900e617221b5dc7a2eee79bf8cf11de2b13
Malware Config
Extracted
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amadey
-
4.15
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http://185.215.113.68
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install_dir
d887ceb89d
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install_file
explorhe.exe
-
strings_key
7cadc181267fafff9df8503e730d60e1
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url_paths
/theme/index.php
Extracted
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amadey
-
4.17
-
http://193.233.132.167
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install_dir
4d0ab15804
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install_file
chrosha.exe
-
strings_key
1a9519d7b465e1f4880fa09a6162d768
-
url_paths
/enigma/index.php
Signatures
- Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- Blocklisted process makes network request 1 IoCs
- Downloads MZ/PE file
- .NET Reactor proctector 2 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 5 IoCs
- Loads dropped DLL 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 16 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of SetWindowsHookEx 5 IoCs
- Suspicious use of WriteProcessMemory 22 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\amers.exe"C:\Users\Admin\AppData\Local\Temp\amers.exe"1⤵
- Checks computer location settings
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\d887ceb89d\explorhe.exe"C:\Users\Admin\AppData\Local\Temp\d887ceb89d\explorhe.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN explorhe.exe /TR "C:\Users\Admin\AppData\Local\Temp\d887ceb89d\explorhe.exe" /F3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\1000942001\crpta.exe"C:\Users\Admin\AppData\Local\Temp\1000942001\crpta.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1092 -s 6125⤵
- Program crash
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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, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1092 -ip 10921⤵
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C:\Users\Admin\AppData\Local\Temp\d887ceb89d\explorhe.exeC:\Users\Admin\AppData\Local\Temp\d887ceb89d\explorhe.exe1⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
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C:\Users\Admin\AppData\Local\Temp\d887ceb89d\explorhe.exeC:\Users\Admin\AppData\Local\Temp\d887ceb89d\explorhe.exe1⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
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C:\Users\Admin\AppData\Local\Temp\d887ceb89d\explorhe.exeC:\Users\Admin\AppData\Local\Temp\d887ceb89d\explorhe.exe1⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
crpta.exe
crpta.exe
crpta.exe
explorhe.exe
explorhe.exe
explorhe.exe
explorhe.exe
explorhe.exe
clip64.dll
cred64.dll
F59E91F8
memory/556-94-0x00000000005B0000-0x00000000009B8000-memory.dmp
memory/556-97-0x00000000005B0000-0x00000000009B8000-memory.dmp
memory/1092-50-0x0000000000400000-0x000000000046C000-memory.dmp
memory/1092-56-0x0000000000400000-0x000000000046C000-memory.dmp
memory/1092-53-0x0000000000400000-0x000000000046C000-memory.dmp
memory/1092-52-0x0000000000400000-0x000000000046C000-memory.dmp
memory/3020-90-0x00000000005B0000-0x00000000009B8000-memory.dmp
memory/3020-67-0x00000000005B0000-0x00000000009B8000-memory.dmp
memory/3020-103-0x00000000005B0000-0x00000000009B8000-memory.dmp
memory/3020-102-0x00000000005B0000-0x00000000009B8000-memory.dmp
memory/3020-101-0x00000000005B0000-0x00000000009B8000-memory.dmp
memory/3020-100-0x00000000005B0000-0x00000000009B8000-memory.dmp
memory/3020-99-0x00000000005B0000-0x00000000009B8000-memory.dmp
memory/3020-98-0x00000000005B0000-0x00000000009B8000-memory.dmp
memory/3020-19-0x00000000005B0000-0x00000000009B8000-memory.dmp
memory/3020-88-0x00000000005B0000-0x00000000009B8000-memory.dmp
memory/3020-68-0x00000000005B0000-0x00000000009B8000-memory.dmp
memory/3020-20-0x00000000005B0000-0x00000000009B8000-memory.dmp
memory/3020-80-0x00000000005B0000-0x00000000009B8000-memory.dmp
memory/3020-91-0x00000000005B0000-0x00000000009B8000-memory.dmp
memory/3020-89-0x00000000005B0000-0x00000000009B8000-memory.dmp
memory/3020-86-0x00000000005B0000-0x00000000009B8000-memory.dmp
memory/3020-87-0x00000000005B0000-0x00000000009B8000-memory.dmp
memory/3436-2-0x0000000000940000-0x0000000000D48000-memory.dmp
memory/3436-1-0x0000000000940000-0x0000000000D48000-memory.dmp
memory/3436-0-0x0000000000940000-0x0000000000D48000-memory.dmp
memory/3436-16-0x0000000000940000-0x0000000000D48000-memory.dmp
memory/3808-108-0x00000000005B0000-0x00000000009B8000-memory.dmp
memory/4912-85-0x00000000005B0000-0x00000000009B8000-memory.dmp
memory/5052-55-0x0000000002A90000-0x0000000004A90000-memory.dmp
memory/5052-45-0x0000000004E50000-0x00000000053F4000-memory.dmp
memory/5052-58-0x0000000072E00000-0x00000000735B0000-memory.dmp
memory/5052-43-0x0000000002A00000-0x0000000002A10000-memory.dmp
memory/5052-42-0x0000000072E00000-0x00000000735B0000-memory.dmp
memory/5052-47-0x0000000002A00000-0x0000000002A10000-memory.dmp
memory/5052-46-0x0000000005400000-0x000000000547C000-memory.dmp
memory/5052-44-0x0000000004DD0000-0x0000000004E4E000-memory.dmp