Analysis
- max time kernel
119s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
13/11/2022, 19:12
General
- Target file.exe
- Size 231KB
- Sample221113-xwgmtace49
- SHA256 cababefd1a1b980a64fb14bb7beea77af47ba4c87a403d26c7400ab1a5675d33
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\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 4972 -s 7762⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4972 -ip 49721⤵
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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 3136 -s 2162⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3136 -ip 31361⤵
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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 1072 -s 2322⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1072 -ip 10721⤵
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/1072-153-0x0000000000400000-0x000000000059F000-memory.dmp
memory/1072-152-0x00000000008CC000-0x00000000008EB000-memory.dmp
memory/3136-147-0x000000000080C000-0x000000000082A000-memory.dmp
memory/3136-148-0x0000000000400000-0x000000000059F000-memory.dmp
memory/4928-143-0x00000000006B8000-0x00000000006D7000-memory.dmp
memory/4928-144-0x0000000000400000-0x000000000059F000-memory.dmp
memory/4928-139-0x0000000000400000-0x000000000059F000-memory.dmp
memory/4928-138-0x00000000006B8000-0x00000000006D7000-memory.dmp
memory/4972-142-0x0000000000400000-0x000000000059F000-memory.dmp
memory/4972-141-0x0000000000899000-0x00000000008B8000-memory.dmp
memory/4972-132-0x0000000000899000-0x00000000008B8000-memory.dmp
memory/4972-134-0x0000000000400000-0x000000000059F000-memory.dmp
memory/4972-133-0x0000000000830000-0x000000000086E000-memory.dmp