Analysis
- max time kernel
151s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
14/11/2022, 01:01
General
- Target file.exe
- Size 212KB
- Sample221114-bc75rsea77
- SHA256 41d4af6b644e16fbf29a7fb1b4f7af47ba64a20c69fec7739cac181ea989afba
Malware Config
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
- 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
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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\50c1695437\rovwer.exe"C:\Users\Admin\AppData\Local\Temp\50c1695437\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\50c1695437\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\bf045808586a24\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 2268 -s 9002⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2268 -ip 22681⤵
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeC:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2772 -s 4242⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2772 -ip 27721⤵
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeC:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 4162⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4988 -ip 49881⤵
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
cred64.dll
memory/920-141-0x00000000007C8000-0x00000000007E7000-memory.dmp
memory/920-142-0x0000000000400000-0x000000000059A000-memory.dmp
memory/920-143-0x0000000000400000-0x000000000059A000-memory.dmp
memory/1480-149-0x0000000000CE0000-0x0000000000D04000-memory.dmp
memory/2268-134-0x0000000000400000-0x000000000059A000-memory.dmp
memory/2268-138-0x0000000000649000-0x0000000000668000-memory.dmp
memory/2268-132-0x0000000000649000-0x0000000000668000-memory.dmp
memory/2268-139-0x0000000000400000-0x000000000059A000-memory.dmp
memory/2268-133-0x00000000022E0000-0x000000000231E000-memory.dmp
memory/2772-150-0x00000000007CC000-0x00000000007EB000-memory.dmp
memory/2772-151-0x0000000000400000-0x000000000059A000-memory.dmp
memory/4988-153-0x000000000077C000-0x000000000079B000-memory.dmp
memory/4988-154-0x0000000000400000-0x000000000059A000-memory.dmp