Analysis
- max time kernel
107s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
30/10/2022, 23:31
General
- Target file.exe
- Size 358KB
- Sample221030-3hpddsfffj
- SHA256 dc0890d6cb1ef700bc2f34d1ae3c4ffb30a7456240a1cfbb3e6cccd4f5c516ce
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 4392 -s 12482⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4392 -ip 43921⤵
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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 4304 -s 3202⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4304 -ip 43041⤵
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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 5068 -s 3162⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 5068 -ip 50681⤵
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/3272-140-0x0000000002D33000-0x0000000002D51000-memory.dmp
memory/3272-142-0x0000000000400000-0x0000000002C48000-memory.dmp
memory/3272-143-0x0000000000400000-0x0000000002C48000-memory.dmp
memory/4304-145-0x0000000002C64000-0x0000000002C81000-memory.dmp
memory/4304-146-0x0000000000400000-0x0000000002C48000-memory.dmp
memory/4392-138-0x0000000002E83000-0x0000000002EA1000-memory.dmp
memory/4392-132-0x0000000002E83000-0x0000000002EA1000-memory.dmp
memory/4392-139-0x0000000000400000-0x0000000002C48000-memory.dmp
memory/4392-134-0x0000000000400000-0x0000000002C48000-memory.dmp
memory/4392-133-0x0000000002DB0000-0x0000000002DEA000-memory.dmp
memory/5068-151-0x0000000002E14000-0x0000000002E31000-memory.dmp
memory/5068-152-0x0000000000400000-0x0000000002C48000-memory.dmp