Analysis
- max time kernel
188s - max time network
186s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
27/11/2022, 13:36
General
- Target file.exe
- Size 208KB
- Sample221127-qv8lksbd72
- SHA256 fd19df43d6938bdb12ee4e0ba6350096f048bdbde123767d12fa2c18cc4bfad7
Malware Config
Extracted
-
amadey
-
3.50
-
31.41.244.17/hfk3vK9/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 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 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\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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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 11482⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1448 -ip 14481⤵
-
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 3720 -s 4202⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3720 -ip 37201⤵
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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 1088 -s 4242⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1088 -ip 10881⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
gntuud.exe
gntuud.exe
gntuud.exe
gntuud.exe
memory/1088-149-0x0000000000400000-0x000000000046A000-memory.dmp
memory/1088-148-0x000000000079F000-0x00000000007BE000-memory.dmp
memory/1448-132-0x000000000078D000-0x00000000007AC000-memory.dmp
memory/1448-141-0x000000000078D000-0x00000000007AC000-memory.dmp
memory/1448-142-0x0000000000400000-0x000000000046A000-memory.dmp
memory/1448-133-0x0000000000700000-0x000000000073E000-memory.dmp
memory/1448-134-0x0000000000400000-0x000000000046A000-memory.dmp
memory/3720-145-0x000000000063F000-0x000000000065E000-memory.dmp
memory/3720-146-0x0000000000400000-0x000000000046A000-memory.dmp
memory/4972-139-0x00000000020F0000-0x000000000212E000-memory.dmp
memory/4972-140-0x0000000000400000-0x000000000046A000-memory.dmp
memory/4972-138-0x00000000004DC000-0x00000000004FB000-memory.dmp