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Analysis
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max time kernel
167s -
max time network
167s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
30/10/2022, 05:06
Static task
static1
Behavioral task
behavioral1
Sample
c3a4c13dc6aab9b553b558b153914b498a8854291cf8c90204f452faa296c9c5.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
c3a4c13dc6aab9b553b558b153914b498a8854291cf8c90204f452faa296c9c5.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
c3a4c13dc6aab9b553b558b153914b498a8854291cf8c90204f452faa296c9c5.exe
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Size
100KB
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MD5
929dd1ff16c6fd8a5479f26f66493012
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SHA1
b0f92608f839e9059f2e16d48d8a2708fe107d19
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SHA256
c3a4c13dc6aab9b553b558b153914b498a8854291cf8c90204f452faa296c9c5
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SHA512
a9cc103d61e90caf7dc309961cd7cca66e3ea76fcd891c7837a4cba470480b69ad8568cfc9649e997cf35f4ad6dc663d3a801dbf0a6b51eb880518e1f9b91f2c
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SSDEEP
1536:eQWecX220mQc3xJKIRGWcOUP7vXArnY1ZqAefzyes5NIjnZTk:VCQrNAfzyeuCnJk
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" c3a4c13dc6aab9b553b558b153914b498a8854291cf8c90204f452faa296c9c5.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" nieuna.exe -
Executes dropped EXE 1 IoCs
pid Process 2072 nieuna.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation c3a4c13dc6aab9b553b558b153914b498a8854291cf8c90204f452faa296c9c5.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /s" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /h" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /X" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /V" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /x" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /G" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /S" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /k" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /c" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /O" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /M" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /i" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /K" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /v" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /a" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /A" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /r" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /C" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /w" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /L" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /o" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /N" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /Q" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /p" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /q" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /Z" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /F" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /j" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /y" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /m" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /f" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /e" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /B" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /W" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /U" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /I" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /z" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /J" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /T" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /Y" nieuna.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ c3a4c13dc6aab9b553b558b153914b498a8854291cf8c90204f452faa296c9c5.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /R" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /H" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /P" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /b" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /l" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /g" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /u" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /D" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /t" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /H" c3a4c13dc6aab9b553b558b153914b498a8854291cf8c90204f452faa296c9c5.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /E" nieuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nieuna = "C:\\Users\\Admin\\nieuna.exe /d" nieuna.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4340 c3a4c13dc6aab9b553b558b153914b498a8854291cf8c90204f452faa296c9c5.exe 4340 c3a4c13dc6aab9b553b558b153914b498a8854291cf8c90204f452faa296c9c5.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe 2072 nieuna.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4340 c3a4c13dc6aab9b553b558b153914b498a8854291cf8c90204f452faa296c9c5.exe 2072 nieuna.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4340 wrote to memory of 2072 4340 c3a4c13dc6aab9b553b558b153914b498a8854291cf8c90204f452faa296c9c5.exe 79 PID 4340 wrote to memory of 2072 4340 c3a4c13dc6aab9b553b558b153914b498a8854291cf8c90204f452faa296c9c5.exe 79 PID 4340 wrote to memory of 2072 4340 c3a4c13dc6aab9b553b558b153914b498a8854291cf8c90204f452faa296c9c5.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\c3a4c13dc6aab9b553b558b153914b498a8854291cf8c90204f452faa296c9c5.exe"C:\Users\Admin\AppData\Local\Temp\c3a4c13dc6aab9b553b558b153914b498a8854291cf8c90204f452faa296c9c5.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4340 -
C:\Users\Admin\nieuna.exe"C:\Users\Admin\nieuna.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2072
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
100KB
MD5dd3a2be36c8a2646eb5a432df20725de
SHA103bd42db5b670626f7782fdeb74b21b7ec8ae133
SHA256043a09fd4e6b698562e1ac77ebb917e3e111b367d3fe8892c232681bcec6c9d2
SHA512e05423678b49a0e10ec368ad8b4ba8e791c8822133410686e8dbf4ea1fecadf53f97c7029cc58ed2e000adc16838a509f9644c7d94c4a4a9e2c0a2dd49463476
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Filesize
100KB
MD5dd3a2be36c8a2646eb5a432df20725de
SHA103bd42db5b670626f7782fdeb74b21b7ec8ae133
SHA256043a09fd4e6b698562e1ac77ebb917e3e111b367d3fe8892c232681bcec6c9d2
SHA512e05423678b49a0e10ec368ad8b4ba8e791c8822133410686e8dbf4ea1fecadf53f97c7029cc58ed2e000adc16838a509f9644c7d94c4a4a9e2c0a2dd49463476