Analysis
- max time kernel
154s - max time network
191s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
05/12/2022, 06:38
General
- Target file.exe
- Size 259KB
- Sample221205-hd3d8sab2v
- SHA256 bcf3cb0540be3781764f342efc4170227389865487ad4fdf4427442b372ea3bf
Malware Config
Extracted
-
amadey
-
3.50
-
62.204.41.6/p9cWxH/index.php
Signatures
- Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- 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.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 2 IoCs
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
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\99e342142d\gntuud.exe"C:\Users\Admin\AppData\Local\Temp\99e342142d\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\99e342142d\gntuud.exe" /F3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 11362⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1764 -ip 17641⤵
-
C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exeC:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4364 -s 2162⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4364 -ip 43641⤵
-
C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exeC:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
gntuud.exe
gntuud.exe
gntuud.exe
gntuud.exe
memory/1764-132-0x0000000000799000-0x00000000007B8000-memory.dmp
memory/1764-133-0x00000000005C0000-0x00000000005FE000-memory.dmp
memory/1764-141-0x0000000000799000-0x00000000007B8000-memory.dmp
memory/1764-142-0x0000000000400000-0x0000000000476000-memory.dmp
memory/1764-134-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2516-138-0x0000000000598000-0x00000000005B7000-memory.dmp
memory/2516-139-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2516-143-0x0000000000400000-0x0000000000476000-memory.dmp
memory/4364-146-0x0000000000480000-0x0000000000580000-memory.dmp
memory/4364-147-0x0000000000400000-0x0000000000476000-memory.dmp
memory/4364-148-0x0000000000480000-0x0000000000580000-memory.dmp