Analysis
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max time kernel
152s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
07/11/2022, 20:48
Static task
static1
Behavioral task
behavioral1
Sample
b2f3a078674866c8feb7a0cd70a5046e70260a3f518642267641f48380d22968.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
b2f3a078674866c8feb7a0cd70a5046e70260a3f518642267641f48380d22968.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
b2f3a078674866c8feb7a0cd70a5046e70260a3f518642267641f48380d22968.exe
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Size
224KB
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MD5
0d4e296ded5c3bac797b64ea5ef402c9
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SHA1
49ae96f776ebd96815c028bcf773a88a3d75cb0f
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SHA256
b2f3a078674866c8feb7a0cd70a5046e70260a3f518642267641f48380d22968
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SHA512
8b8afb589037f065a58174b08bc015535035060062b428e130b4ed2e2bd126b53976f863c487d356e1b8ae30c2eb20db973118254d4640884b1dab3cc4d301d4
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SSDEEP
3072:8XyqNsMoBuiZZVpl2mclbj4Uvx+8ysNOu+2eRcKksU61JkkX39RLrw4ySKUbax26:DqN5Wp4LnbmlrZW
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" b2f3a078674866c8feb7a0cd70a5046e70260a3f518642267641f48380d22968.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" smvuid.exe -
Executes dropped EXE 1 IoCs
pid Process 4812 smvuid.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 b2f3a078674866c8feb7a0cd70a5046e70260a3f518642267641f48380d22968.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\ b2f3a078674866c8feb7a0cd70a5046e70260a3f518642267641f48380d22968.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smvuid = "C:\\Users\\Admin\\smvuid.exe /h" smvuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smvuid = "C:\\Users\\Admin\\smvuid.exe /v" smvuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smvuid = "C:\\Users\\Admin\\smvuid.exe /e" smvuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smvuid = "C:\\Users\\Admin\\smvuid.exe /i" smvuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smvuid = "C:\\Users\\Admin\\smvuid.exe /u" smvuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smvuid = "C:\\Users\\Admin\\smvuid.exe /l" smvuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smvuid = "C:\\Users\\Admin\\smvuid.exe /g" smvuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smvuid = "C:\\Users\\Admin\\smvuid.exe /c" smvuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smvuid = "C:\\Users\\Admin\\smvuid.exe /k" smvuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smvuid = "C:\\Users\\Admin\\smvuid.exe /s" smvuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smvuid = "C:\\Users\\Admin\\smvuid.exe /w" smvuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smvuid = "C:\\Users\\Admin\\smvuid.exe /l" b2f3a078674866c8feb7a0cd70a5046e70260a3f518642267641f48380d22968.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smvuid = "C:\\Users\\Admin\\smvuid.exe /z" smvuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smvuid = "C:\\Users\\Admin\\smvuid.exe /a" smvuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smvuid = "C:\\Users\\Admin\\smvuid.exe /b" smvuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smvuid = "C:\\Users\\Admin\\smvuid.exe /q" smvuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smvuid = "C:\\Users\\Admin\\smvuid.exe /d" smvuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smvuid = "C:\\Users\\Admin\\smvuid.exe /o" smvuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smvuid = "C:\\Users\\Admin\\smvuid.exe /t" smvuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smvuid = "C:\\Users\\Admin\\smvuid.exe /f" smvuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smvuid = "C:\\Users\\Admin\\smvuid.exe /n" smvuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smvuid = "C:\\Users\\Admin\\smvuid.exe /y" smvuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smvuid = "C:\\Users\\Admin\\smvuid.exe /m" smvuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smvuid = "C:\\Users\\Admin\\smvuid.exe /j" smvuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smvuid = "C:\\Users\\Admin\\smvuid.exe /x" smvuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smvuid = "C:\\Users\\Admin\\smvuid.exe /p" smvuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smvuid = "C:\\Users\\Admin\\smvuid.exe /r" smvuid.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ smvuid.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 5076 b2f3a078674866c8feb7a0cd70a5046e70260a3f518642267641f48380d22968.exe 5076 b2f3a078674866c8feb7a0cd70a5046e70260a3f518642267641f48380d22968.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe 4812 smvuid.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5076 b2f3a078674866c8feb7a0cd70a5046e70260a3f518642267641f48380d22968.exe 4812 smvuid.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5076 wrote to memory of 4812 5076 b2f3a078674866c8feb7a0cd70a5046e70260a3f518642267641f48380d22968.exe 82 PID 5076 wrote to memory of 4812 5076 b2f3a078674866c8feb7a0cd70a5046e70260a3f518642267641f48380d22968.exe 82 PID 5076 wrote to memory of 4812 5076 b2f3a078674866c8feb7a0cd70a5046e70260a3f518642267641f48380d22968.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\b2f3a078674866c8feb7a0cd70a5046e70260a3f518642267641f48380d22968.exe"C:\Users\Admin\AppData\Local\Temp\b2f3a078674866c8feb7a0cd70a5046e70260a3f518642267641f48380d22968.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:5076 -
C:\Users\Admin\smvuid.exe"C:\Users\Admin\smvuid.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:4812
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
224KB
MD5ebad92d1562a6ad8ff3d55995667d19d
SHA1b20cf5df4c4462515862806dbdd323ba6c9dc238
SHA256d099735538b1ac631a31d49010964ac1655997daad1df5f6d0c4cad8d45575a2
SHA51283d0ccc927716b9cd7b4034bb6cbdfb7e05d707d10973fa4c06d6015debaea42d267ec367aa082b380caa4707ec2655be1150335ed1c91489c083b9ddb7f9b3e
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Filesize
224KB
MD5ebad92d1562a6ad8ff3d55995667d19d
SHA1b20cf5df4c4462515862806dbdd323ba6c9dc238
SHA256d099735538b1ac631a31d49010964ac1655997daad1df5f6d0c4cad8d45575a2
SHA51283d0ccc927716b9cd7b4034bb6cbdfb7e05d707d10973fa4c06d6015debaea42d267ec367aa082b380caa4707ec2655be1150335ed1c91489c083b9ddb7f9b3e