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Analysis
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max time kernel
190s -
max time network
183s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
11/10/2022, 20:55
Static task
static1
Behavioral task
behavioral1
Sample
66b9476368cf9976d87f6d418b94f12ba70dc4630998a9d9fb87b7885ad403f6.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
66b9476368cf9976d87f6d418b94f12ba70dc4630998a9d9fb87b7885ad403f6.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
66b9476368cf9976d87f6d418b94f12ba70dc4630998a9d9fb87b7885ad403f6.exe
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Size
80KB
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MD5
6a4947920c1862bdb2fa38c1e6e91bf0
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SHA1
dd51f34342f19298454e67bcd1920e1099ff4363
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SHA256
66b9476368cf9976d87f6d418b94f12ba70dc4630998a9d9fb87b7885ad403f6
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SHA512
93567a9fea3c7961923e8972160ca978a7e628b391f6a0ce88a8abd36b23f094e565dfe8dcc9932769008446f7740e65bb2fc0e887096404556c9ef9e7e62eb7
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SSDEEP
1536:komto4AJyF8e/O+TtSv6DhjFEA5n6qtvmzrRptAi858J8MGu1v3i6EGt:j4Q3t
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 66b9476368cf9976d87f6d418b94f12ba70dc4630998a9d9fb87b7885ad403f6.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" niuamal.exe -
Executes dropped EXE 1 IoCs
pid Process 2236 niuamal.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation 66b9476368cf9976d87f6d418b94f12ba70dc4630998a9d9fb87b7885ad403f6.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ niuamal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\niuamal = "C:\\Users\\Admin\\niuamal.exe /a" niuamal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\niuamal = "C:\\Users\\Admin\\niuamal.exe /d" niuamal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\niuamal = "C:\\Users\\Admin\\niuamal.exe /w" niuamal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\niuamal = "C:\\Users\\Admin\\niuamal.exe /j" niuamal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\niuamal = "C:\\Users\\Admin\\niuamal.exe /n" niuamal.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 66b9476368cf9976d87f6d418b94f12ba70dc4630998a9d9fb87b7885ad403f6.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\niuamal = "C:\\Users\\Admin\\niuamal.exe /d" 66b9476368cf9976d87f6d418b94f12ba70dc4630998a9d9fb87b7885ad403f6.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\niuamal = "C:\\Users\\Admin\\niuamal.exe /k" niuamal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\niuamal = "C:\\Users\\Admin\\niuamal.exe /y" niuamal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\niuamal = "C:\\Users\\Admin\\niuamal.exe /h" niuamal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\niuamal = "C:\\Users\\Admin\\niuamal.exe /c" niuamal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\niuamal = "C:\\Users\\Admin\\niuamal.exe /s" niuamal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\niuamal = "C:\\Users\\Admin\\niuamal.exe /g" niuamal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\niuamal = "C:\\Users\\Admin\\niuamal.exe /q" niuamal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\niuamal = "C:\\Users\\Admin\\niuamal.exe /r" niuamal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\niuamal = "C:\\Users\\Admin\\niuamal.exe /v" niuamal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\niuamal = "C:\\Users\\Admin\\niuamal.exe /x" niuamal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\niuamal = "C:\\Users\\Admin\\niuamal.exe /f" niuamal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\niuamal = "C:\\Users\\Admin\\niuamal.exe /z" niuamal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\niuamal = "C:\\Users\\Admin\\niuamal.exe /u" niuamal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\niuamal = "C:\\Users\\Admin\\niuamal.exe /b" niuamal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\niuamal = "C:\\Users\\Admin\\niuamal.exe /m" niuamal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\niuamal = "C:\\Users\\Admin\\niuamal.exe /o" niuamal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\niuamal = "C:\\Users\\Admin\\niuamal.exe /e" niuamal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\niuamal = "C:\\Users\\Admin\\niuamal.exe /l" niuamal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\niuamal = "C:\\Users\\Admin\\niuamal.exe /p" niuamal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\niuamal = "C:\\Users\\Admin\\niuamal.exe /t" niuamal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\niuamal = "C:\\Users\\Admin\\niuamal.exe /i" niuamal.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 4116 66b9476368cf9976d87f6d418b94f12ba70dc4630998a9d9fb87b7885ad403f6.exe 4116 66b9476368cf9976d87f6d418b94f12ba70dc4630998a9d9fb87b7885ad403f6.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe 2236 niuamal.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4116 66b9476368cf9976d87f6d418b94f12ba70dc4630998a9d9fb87b7885ad403f6.exe 2236 niuamal.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4116 wrote to memory of 2236 4116 66b9476368cf9976d87f6d418b94f12ba70dc4630998a9d9fb87b7885ad403f6.exe 80 PID 4116 wrote to memory of 2236 4116 66b9476368cf9976d87f6d418b94f12ba70dc4630998a9d9fb87b7885ad403f6.exe 80 PID 4116 wrote to memory of 2236 4116 66b9476368cf9976d87f6d418b94f12ba70dc4630998a9d9fb87b7885ad403f6.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\66b9476368cf9976d87f6d418b94f12ba70dc4630998a9d9fb87b7885ad403f6.exe"C:\Users\Admin\AppData\Local\Temp\66b9476368cf9976d87f6d418b94f12ba70dc4630998a9d9fb87b7885ad403f6.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:4116 -
C:\Users\Admin\niuamal.exe"C:\Users\Admin\niuamal.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:2236
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
80KB
MD50f92dccf3b36f0c44641639f01d361d8
SHA1c67660cc1266af6f0ee176cb0d4b75f625e8d78d
SHA25670e0ce2d4fe9fd9fe6cb0c112fde67e1880441292177e57f85d19db5aa2ee8e5
SHA51268234f2df662ad6d8eaf9b05101936f6c74babcb94ba4ca26f3032100eb285fef1969677e576a3e03c5c62cef4991de034f641a6870181d2932ae0967478c607
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Filesize
80KB
MD50f92dccf3b36f0c44641639f01d361d8
SHA1c67660cc1266af6f0ee176cb0d4b75f625e8d78d
SHA25670e0ce2d4fe9fd9fe6cb0c112fde67e1880441292177e57f85d19db5aa2ee8e5
SHA51268234f2df662ad6d8eaf9b05101936f6c74babcb94ba4ca26f3032100eb285fef1969677e576a3e03c5c62cef4991de034f641a6870181d2932ae0967478c607