Analysis
- max time kernel
126s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
03/11/2022, 04:16
General
- Target file.exe
- Size 331KB
- Sample221103-evspksedd5
- SHA256 6afc4ff24ce1d4fce5576ca746670413d2d8439ec25f5248dfbaa8052ba0cefe
Malware Config
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.
- 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\e94c2b28f2\rovwer.exe"C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.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 rovwer.exe /TR "C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.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\80b59841e5c623\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 4828 -s 12842⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4828 -ip 48281⤵
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C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exeC:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 484 -s 4162⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 484 -ip 4841⤵
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C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exeC:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1312 -s 4242⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1312 -ip 13121⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
rovwer.exe
rovwer.exe
rovwer.exe
rovwer.exe
cred64.dll
cred64.dll
memory/484-145-0x0000000002C8C000-0x0000000002CAB000-memory.dmp
memory/484-146-0x0000000000400000-0x0000000002C41000-memory.dmp
memory/1296-139-0x0000000002DA8000-0x0000000002DC7000-memory.dmp
memory/1296-140-0x0000000002CE0000-0x0000000002D1E000-memory.dmp
memory/1296-142-0x0000000000400000-0x0000000002C41000-memory.dmp
memory/1296-143-0x0000000000400000-0x0000000002C41000-memory.dmp
memory/1312-152-0x0000000000400000-0x0000000002C41000-memory.dmp
memory/1312-151-0x0000000002E4B000-0x0000000002E6A000-memory.dmp
memory/1312-153-0x0000000000400000-0x0000000002C41000-memory.dmp
memory/4828-132-0x0000000002EF9000-0x0000000002F18000-memory.dmp
memory/4828-141-0x0000000002EF9000-0x0000000002F18000-memory.dmp
memory/4828-137-0x0000000000400000-0x0000000002C41000-memory.dmp
memory/4828-133-0x0000000002EA0000-0x0000000002EDE000-memory.dmp