Analysis
- max time kernel
114s - max time network
129s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
- submitted
28/10/2022, 04:32
General
- Target file.exe
- Size 300KB
- Sample221028-e5y94sehdr
- SHA256 a384828d07c88af1f60cb50cde6bb82df92eab459b5da8f20fe52fb4dd76cf87
Malware Config
Signatures
- Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- Detect Amadey credential stealer module 6 IoCs
- Blocklisted process makes network request 1 IoCs
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 6 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.
- 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 23 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⤵
- Loads dropped DLL
- 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
- 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\system32\taskeng.exetaskeng.exe {3727689B-3665-49A1-A7C4-6662F0C5A7C4} S-1-5-21-3845472200-3839195424-595303356-1000:ZERMMMDR\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\b667dbdcd8\rovwer.exeC:\Users\Admin\AppData\Local\Temp\b667dbdcd8\rovwer.exe2⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\b667dbdcd8\rovwer.exeC:\Users\Admin\AppData\Local\Temp\b667dbdcd8\rovwer.exe2⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
rovwer.exe
rovwer.exe
rovwer.exe
rovwer.exe
cred64.dll
rovwer.exe
rovwer.exe
cred64.dll
cred64.dll
cred64.dll
cred64.dll
memory/1400-86-0x0000000000400000-0x0000000002C38000-memory.dmp
memory/1400-85-0x0000000002D5A000-0x0000000002D77000-memory.dmp
memory/1636-66-0x0000000000400000-0x0000000002C38000-memory.dmp
memory/1636-67-0x0000000002D2A000-0x0000000002D47000-memory.dmp
memory/1636-68-0x0000000000400000-0x0000000002C38000-memory.dmp
memory/1636-63-0x0000000002D2A000-0x0000000002D47000-memory.dmp
memory/1692-81-0x0000000000180000-0x00000000001A4000-memory.dmp
memory/1760-73-0x0000000000400000-0x0000000002C38000-memory.dmp
memory/1760-72-0x00000000002AA000-0x00000000002C7000-memory.dmp
memory/1788-54-0x00000000761F1000-0x00000000761F3000-memory.dmp
memory/1788-60-0x0000000000250000-0x000000000028A000-memory.dmp
memory/1788-59-0x0000000002DFA000-0x0000000002E17000-memory.dmp
memory/1788-61-0x0000000000400000-0x0000000002C38000-memory.dmp