Analysis
- max time kernel
119s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
26/11/2022, 04:31
General
- Target file.exe
- Size 206KB
- Sample221126-e5c2wafc9y
- SHA256 366d6ea002ddc1118ee1bd2c1f0c797bd8a4699517d30867d55d6a29e3ca7d25
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 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
-
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
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3472 -s 11362⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3472 -ip 34721⤵
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1992 -s 4162⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1992 -ip 19921⤵
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 4162⤵
- Program crash
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-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1976 -ip 19761⤵
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/1972-144-0x0000000000D4C000-0x0000000000D6B000-memory.dmp
memory/1972-142-0x0000000000D4C000-0x0000000000D6B000-memory.dmp
memory/1972-143-0x0000000000400000-0x0000000000AE5000-memory.dmp
memory/1972-145-0x0000000000400000-0x0000000000AE5000-memory.dmp
memory/1976-156-0x0000000000400000-0x0000000000AE5000-memory.dmp
memory/1976-155-0x0000000000ED0000-0x0000000000EEF000-memory.dmp
memory/1992-147-0x0000000000D50000-0x0000000000D6F000-memory.dmp
memory/1992-148-0x0000000000400000-0x0000000000AE5000-memory.dmp
memory/3472-134-0x0000000000400000-0x0000000000AE5000-memory.dmp
memory/3472-138-0x0000000000D9D000-0x0000000000DBC000-memory.dmp
memory/3472-140-0x0000000000400000-0x0000000000AE5000-memory.dmp
memory/3472-133-0x0000000002820000-0x000000000285E000-memory.dmp
memory/3472-139-0x0000000002820000-0x000000000285E000-memory.dmp
memory/3472-132-0x0000000000D9D000-0x0000000000DBC000-memory.dmp
memory/4984-153-0x00000000006E0000-0x0000000000704000-memory.dmp