Analysis
- max time kernel
115s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
12/11/2022, 07:47
General
- Target 908564324457fbae5493c6b6b862a1c0.exe
- Size 248KB
- Sample221112-jmh8dshe5x
- SHA256 8ceb3e5ac71e9c98006f36608b2c33706e00a5eaaa69fc0dee304fc89abae50b
Malware Config
Extracted
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redline
-
boy
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77.73.134.241:4691
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auth_value
a91fa8cc2cfaefc42a23c03faef44bd3
Signatures
- Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- Detect Amadey credential stealer module 2 IoCs
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine payload 3 IoCs
- Blocklisted process makes network request 1 IoCs
- Downloads MZ/PE file
- Executes dropped EXE 4 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.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\908564324457fbae5493c6b6b862a1c0.exe"C:\Users\Admin\AppData\Local\Temp\908564324457fbae5493c6b6b862a1c0.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
- Adds Run key to start application
- 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:\Users\Admin\AppData\Local\Temp\1000073001\mana.exe"C:\Users\Admin\AppData\Local\Temp\1000073001\mana.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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 4736 -s 11442⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4736 -ip 47361⤵
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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 4212 -s 4162⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4212 -ip 42121⤵
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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 880 -s 4242⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 880 -ip 8801⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
mana.exe
mana.exe
rovwer.exe
rovwer.exe
rovwer.exe
rovwer.exe
cred64.dll
cred64.dll
memory/880-167-0x0000000000400000-0x0000000000599000-memory.dmp
memory/880-166-0x00000000006FC000-0x000000000071B000-memory.dmp
memory/3052-141-0x0000000000628000-0x0000000000648000-memory.dmp
memory/3052-156-0x0000000000400000-0x0000000000599000-memory.dmp
memory/3052-142-0x0000000000400000-0x0000000000599000-memory.dmp
memory/4212-164-0x0000000000400000-0x0000000000599000-memory.dmp
memory/4212-163-0x000000000060C000-0x000000000062B000-memory.dmp
memory/4348-150-0x0000000005750000-0x000000000578C000-memory.dmp
memory/4348-158-0x0000000006EC0000-0x0000000006F10000-memory.dmp
memory/4348-151-0x0000000006810000-0x0000000006DB4000-memory.dmp
memory/4348-152-0x0000000006260000-0x00000000062F2000-memory.dmp
memory/4348-153-0x0000000005BB0000-0x0000000005C16000-memory.dmp
memory/4348-154-0x0000000006F90000-0x0000000007152000-memory.dmp
memory/4348-155-0x0000000007690000-0x0000000007BBC000-memory.dmp
memory/4348-149-0x00000000056F0000-0x0000000005702000-memory.dmp
memory/4348-157-0x0000000006E40000-0x0000000006EB6000-memory.dmp
memory/4348-146-0x0000000000D40000-0x0000000000D68000-memory.dmp
memory/4348-147-0x0000000005C40000-0x0000000006258000-memory.dmp
memory/4348-148-0x00000000057C0000-0x00000000058CA000-memory.dmp
memory/4736-138-0x00000000005D8000-0x00000000005F7000-memory.dmp
memory/4736-139-0x0000000000400000-0x0000000000599000-memory.dmp
memory/4736-132-0x00000000005D8000-0x00000000005F7000-memory.dmp
memory/4736-134-0x0000000000400000-0x0000000000599000-memory.dmp
memory/4736-133-0x00000000021B0000-0x00000000021EE000-memory.dmp