Analysis
- max time kernel
142s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
01/12/2022, 10:32
General
- Target file.exe
- Size 242KB
- Sample221201-mk1ansde5t
- SHA256 7426df2e27fa6fe145db2c5bb86b7087b48736d10c939851d76eced8b4e161e8
Malware Config
Extracted
-
amadey
-
3.50
-
31.41.244.17/hfk3vK9/index.php
Signatures
- Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- Detect Amadey credential stealer module 2 IoCs
- Blocklisted process makes network request 1 IoCs
- Downloads MZ/PE file
- Executes dropped EXE 3 IoCs
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 1 IoCs
- Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
- Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN gntuud.exe /TR "C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe" /F3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- outlook_win_path
-
-
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe1⤵
- Executes dropped EXE
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
gntuud.exe
gntuud.exe
gntuud.exe
gntuud.exe
cred64.dll
cred64.dll
memory/1144-138-0x0000000000599000-0x00000000005B8000-memory.dmp
memory/1144-139-0x00000000020F0000-0x000000000212E000-memory.dmp
memory/1144-140-0x0000000000400000-0x0000000000472000-memory.dmp
memory/1144-132-0x0000000000599000-0x00000000005B8000-memory.dmp
memory/1144-134-0x0000000000400000-0x0000000000472000-memory.dmp
memory/1144-133-0x00000000020F0000-0x000000000212E000-memory.dmp
memory/3308-153-0x0000000000400000-0x0000000000472000-memory.dmp
memory/3608-142-0x0000000000400000-0x0000000000472000-memory.dmp
memory/3608-145-0x0000000000400000-0x0000000000472000-memory.dmp
memory/3608-144-0x0000000000848000-0x0000000000867000-memory.dmp
memory/3608-141-0x0000000000848000-0x0000000000867000-memory.dmp
memory/3864-147-0x000000000056C000-0x000000000058B000-memory.dmp
memory/3864-148-0x0000000000400000-0x0000000000472000-memory.dmp