Analysis
- max time kernel
114s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
01/11/2022, 00:48
General
- Target file.exe
- Size 267KB
- Sample221101-a5secafehl
- SHA256 cb31e10b9290209208fe012f4e3e48348efbe31f9e46c4b0739e4b92af2ea206
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
- 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
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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 1188 -s 12082⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1188 -ip 11881⤵
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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 2980 -s 4162⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2980 -ip 29801⤵
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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 4288 -s 4162⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 4288 -ip 42881⤵
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/1188-132-0x000000000098D000-0x00000000009AC000-memory.dmp
memory/1188-133-0x0000000000900000-0x000000000093E000-memory.dmp
memory/1188-134-0x0000000000400000-0x00000000005A6000-memory.dmp
memory/1188-142-0x000000000098D000-0x00000000009AC000-memory.dmp
memory/1188-143-0x0000000000400000-0x00000000005A6000-memory.dmp
memory/1232-144-0x000000000086C000-0x000000000088B000-memory.dmp
memory/1232-145-0x0000000000400000-0x00000000005A6000-memory.dmp
memory/1232-140-0x00000000006F0000-0x000000000072E000-memory.dmp
memory/1232-141-0x0000000000400000-0x00000000005A6000-memory.dmp
memory/1232-139-0x000000000086C000-0x000000000088B000-memory.dmp
memory/1876-153-0x0000000000640000-0x0000000000664000-memory.dmp
memory/2980-147-0x0000000000890000-0x00000000008AF000-memory.dmp
memory/2980-148-0x0000000000400000-0x00000000005A6000-memory.dmp
memory/4288-156-0x0000000000690000-0x0000000000790000-memory.dmp
memory/4288-157-0x0000000000400000-0x00000000005A6000-memory.dmp