Analysis
- max time kernel
140s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
02/12/2022, 20:30
General
- Target file.exe
- Size 387KB
- Sample221202-y95ggafb8v
- SHA256 0514a8f2ef2a8b41e86ba4bf36e6ad0ef1009b4f1bfa1446ee07fa1f8662714d
Malware Config
Extracted
-
amadey
-
3.50
-
31.41.244.167/v7eWcjs/index.php
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
- 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\3f904562a0\gntuud.exe"C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.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 gntuud.exe /TR "C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.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\56a1c3d463f381\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 2424 -s 9002⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2424 -ip 24241⤵
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1380 -s 4162⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1380 -ip 13801⤵
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 556 -s 4162⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 556 -ip 5561⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
gntuud.exe
gntuud.exe
gntuud.exe
gntuud.exe
cred64.dll
cred64.dll
memory/556-154-0x000000000075A000-0x0000000000779000-memory.dmp
memory/556-155-0x0000000000400000-0x0000000000466000-memory.dmp
memory/768-138-0x0000000000646000-0x0000000000665000-memory.dmp
memory/768-139-0x0000000000400000-0x0000000000466000-memory.dmp
memory/768-143-0x0000000000646000-0x0000000000665000-memory.dmp
memory/768-144-0x0000000000400000-0x0000000000466000-memory.dmp
memory/1380-148-0x0000000000400000-0x0000000000466000-memory.dmp
memory/1380-147-0x0000000000560000-0x0000000000660000-memory.dmp
memory/1380-149-0x0000000000560000-0x0000000000660000-memory.dmp
memory/2424-132-0x0000000000507000-0x0000000000526000-memory.dmp
memory/2424-142-0x0000000000400000-0x0000000000466000-memory.dmp
memory/2424-141-0x0000000000507000-0x0000000000526000-memory.dmp
memory/2424-134-0x0000000000400000-0x0000000000466000-memory.dmp
memory/2424-133-0x00000000008C0000-0x00000000008FE000-memory.dmp