Analysis
- max time kernel
199s - max time network
192s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
01/12/2022, 15:46
General
- Target 127489962a98c264dd62e1dbd406e355.exe
- Size 243KB
- Sample221201-s7m7hsdb47
- SHA256 ba046d1f3a1aebdf83958df97f96e73b1679878d8b13dde76489e422feb403de
Malware Config
Extracted
-
amadey
-
3.50
-
62.204.41.252/nB8cWack3/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 2 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 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 behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\127489962a98c264dd62e1dbd406e355.exe"C:\Users\Admin\AppData\Local\Temp\127489962a98c264dd62e1dbd406e355.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
-
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
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4520 -s 12762⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4520 -ip 45201⤵
-
C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exeC:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
gntuud.exe
gntuud.exe
gntuud.exe
cred64.dll
cred64.dll
cred64.dll
memory/8-148-0x0000000000880000-0x00000000008A4000-memory.dmp
memory/560-138-0x00000000006C8000-0x00000000006E7000-memory.dmp
memory/560-140-0x0000000000400000-0x0000000000472000-memory.dmp
memory/560-139-0x0000000000610000-0x000000000064E000-memory.dmp
memory/4520-142-0x0000000000400000-0x0000000000472000-memory.dmp
memory/4520-141-0x0000000000648000-0x0000000000667000-memory.dmp
memory/4520-132-0x0000000000648000-0x0000000000667000-memory.dmp
memory/4520-134-0x0000000000400000-0x0000000000472000-memory.dmp
memory/4520-133-0x00000000005E0000-0x000000000061E000-memory.dmp
memory/4524-150-0x00000000005CC000-0x00000000005EB000-memory.dmp
memory/4524-151-0x0000000000400000-0x0000000000472000-memory.dmp