Analysis
- max time kernel
147s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
06/12/2022, 21:52
General
- Target file.exe
- Size 423KB
- Sample221206-1q2ycaaf2w
- SHA256 e6657fb698d637dfdfa9f775444fba7cdaa80016745ed0cd342f7aa07e176ad5
Malware Config
Extracted
-
amadey
-
3.50
-
62.204.41.6/p9cWxH/index.php
Signatures
- Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- Detect Amadey credential stealer module 4 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 2 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.
- Program crash 3 IoCs
- 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\99e342142d\gntuud.exe"C:\Users\Admin\AppData\Local\Temp\99e342142d\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\99e342142d\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\a091ec0a6e2227\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- outlook_win_path
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4344 -s 11442⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4344 -ip 43441⤵
-
C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exeC:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 4162⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2388 -ip 23881⤵
-
C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exeC:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5060 -s 4242⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 5060 -ip 50601⤵
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
cred64.dll
memory/1468-153-0x0000000000700000-0x0000000000724000-memory.dmp
memory/2388-148-0x0000000000400000-0x000000000046F000-memory.dmp
memory/2388-147-0x0000000000724000-0x0000000000742000-memory.dmp
memory/4344-139-0x00000000007C3000-0x00000000007E2000-memory.dmp
memory/4344-140-0x0000000000600000-0x000000000063E000-memory.dmp
memory/4344-141-0x0000000000400000-0x000000000046F000-memory.dmp
memory/4344-132-0x00000000007C3000-0x00000000007E2000-memory.dmp
memory/4344-134-0x0000000000400000-0x000000000046F000-memory.dmp
memory/4344-133-0x0000000000600000-0x000000000063E000-memory.dmp
memory/4516-145-0x0000000000470000-0x0000000000570000-memory.dmp
memory/4516-144-0x0000000000400000-0x000000000046F000-memory.dmp
memory/4516-143-0x0000000000470000-0x0000000000570000-memory.dmp
memory/5060-155-0x0000000000614000-0x0000000000632000-memory.dmp
memory/5060-156-0x0000000000400000-0x000000000046F000-memory.dmp