Analysis
- max time kernel
132s - max time network
164s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
04/12/2022, 22:46
General
- Target file.exe
- Size 410KB
- Sample221204-2py1qscf74
- SHA256 328678b277b9733b1eaa662113a67cd61e04e96f4644b8623aadbd5b9e6b86cf
Malware Config
Extracted
-
amadey
-
3.50
-
31.41.244.167/v7eWcjs/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 3 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 5 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
- Adds Run key to start application 2 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.
- Modifies registry class 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of WriteProcessMemory 23 IoCs
- outlook_win_path 1 IoCs
Processes
-
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
-
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
- Adds Run key to start application
- 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\3f904562a0\gntuud.exe" /F3⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\1000007001\linda5.exe"C:\Users\Admin\AppData\Local\Temp\1000007001\linda5.exe"3⤵
- Executes dropped EXE
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\control.exe"C:\Windows\System32\control.exe" "C:\Users\Admin\AppData\Local\Temp\wNq~EY.cpl",4⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\wNq~EY.cpl",5⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\RunDll32.exeC:\Windows\system32\RunDll32.exe Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\wNq~EY.cpl",6⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\SysWOW64\rundll32.exe" "C:\Windows\SysWOW64\shell32.dll",#44 "C:\Users\Admin\AppData\Local\Temp\wNq~EY.cpl",7⤵
- Loads dropped DLL
-
-
-
-
-
-
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
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
linda5.exe
linda5.exe
gntuud.exe
gntuud.exe
gntuud.exe
wNq~EY.cpl
wNq~Ey.cpl
wNq~Ey.cpl
wNq~Ey.cpl
cred64.dll
cred64.dll
cred64.dll
memory/1140-171-0x0000000003590000-0x0000000003673000-memory.dmp
memory/1140-164-0x0000000003050000-0x0000000003323000-memory.dmp
memory/1140-173-0x0000000003680000-0x000000000374C000-memory.dmp
memory/1140-163-0x0000000002960000-0x0000000002C63000-memory.dmp
memory/1140-175-0x0000000003460000-0x000000000358B000-memory.dmp
memory/1140-165-0x0000000003460000-0x000000000358B000-memory.dmp
memory/1484-178-0x0000000000400000-0x000000000046C000-memory.dmp
memory/1484-177-0x0000000000644000-0x0000000000663000-memory.dmp
memory/2348-140-0x00000000005E3000-0x0000000000602000-memory.dmp
memory/2348-150-0x0000000000400000-0x000000000046C000-memory.dmp
memory/2348-141-0x00000000001C0000-0x00000000001FE000-memory.dmp
memory/2348-142-0x0000000000400000-0x000000000046C000-memory.dmp
memory/2592-154-0x0000000003500000-0x000000000362B000-memory.dmp
memory/2592-156-0x00000000028F0000-0x00000000029BC000-memory.dmp
memory/2592-155-0x0000000003630000-0x0000000003713000-memory.dmp
memory/2592-176-0x0000000003500000-0x000000000362B000-memory.dmp
memory/2592-153-0x00000000030F0000-0x00000000033C3000-memory.dmp
memory/2592-157-0x00000000028F0000-0x00000000029BC000-memory.dmp
memory/4352-170-0x00000000003D0000-0x00000000003F4000-memory.dmp
memory/4804-139-0x0000000000400000-0x000000000046C000-memory.dmp
memory/4804-135-0x0000000000400000-0x000000000046C000-memory.dmp
memory/4804-132-0x00000000006B3000-0x00000000006D2000-memory.dmp
memory/4804-134-0x00000000006B3000-0x00000000006D2000-memory.dmp
memory/4804-133-0x00000000001C0000-0x00000000001FE000-memory.dmp