Analysis
- max time kernel
113s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
28/10/2022, 00:42
General
- Target file.exe
- Size 300KB
- Sample221028-a2b8ysedgp
- SHA256 9cd795139a13e93f44b20f21a677d5e592f7e4e50c0c081e5a063dfe7632f8a2
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
- 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\b667dbdcd8\rovwer.exe"C:\Users\Admin\AppData\Local\Temp\b667dbdcd8\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\b667dbdcd8\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 3676 -s 9002⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3676 -ip 36761⤵
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C:\Users\Admin\AppData\Local\Temp\b667dbdcd8\rovwer.exeC:\Users\Admin\AppData\Local\Temp\b667dbdcd8\rovwer.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 3122⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2152 -ip 21521⤵
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C:\Users\Admin\AppData\Local\Temp\b667dbdcd8\rovwer.exeC:\Users\Admin\AppData\Local\Temp\b667dbdcd8\rovwer.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1224 -s 3122⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1224 -ip 12241⤵
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/1224-152-0x0000000000400000-0x0000000002C38000-memory.dmp
memory/1224-151-0x0000000002FBA000-0x0000000002FD8000-memory.dmp
memory/1808-142-0x0000000002D16000-0x0000000002D34000-memory.dmp
memory/1808-141-0x0000000000400000-0x0000000002C38000-memory.dmp
memory/1808-143-0x0000000000400000-0x0000000002C38000-memory.dmp
memory/1808-139-0x0000000002D16000-0x0000000002D34000-memory.dmp
memory/2152-145-0x0000000002D5A000-0x0000000002D78000-memory.dmp
memory/2152-146-0x0000000000400000-0x0000000002C38000-memory.dmp
memory/3676-132-0x0000000002E37000-0x0000000002E54000-memory.dmp
memory/3676-138-0x0000000000400000-0x0000000002C38000-memory.dmp
memory/3676-134-0x0000000000400000-0x0000000002C38000-memory.dmp
memory/3676-133-0x0000000002D90000-0x0000000002DCA000-memory.dmp