Analysis
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max time kernel
152s -
max time network
141s -
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, 20:09
Static task
static1
Behavioral task
behavioral1
Sample
3a28f5384a78d7e7e83b1f8ec1faa472e9ffbd88767e8b2bb1471acb15cab228.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
3a28f5384a78d7e7e83b1f8ec1faa472e9ffbd88767e8b2bb1471acb15cab228.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
3a28f5384a78d7e7e83b1f8ec1faa472e9ffbd88767e8b2bb1471acb15cab228.exe
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Size
224KB
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MD5
9097255f691e81c97c8b20b3a92861b7
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SHA1
5ca14ed35675369fff01f542fc84193bb15186ea
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SHA256
3a28f5384a78d7e7e83b1f8ec1faa472e9ffbd88767e8b2bb1471acb15cab228
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SHA512
49508683f7d668e51802df9dd962a04f7900631a31e8eac80d6c295869422fdf0308242b452de9200a36a7b35c8fb9e0c1d135bc0fdf009d7d823ea4e6e77ebe
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SSDEEP
3072:5XyqNsMoBuDZVpl2mclbj4Uvx+8ysNOu+2eRcKksU61JkkX39RLrw4ySKUbax2+l:YqN5Tp4LnbmlrZW
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" 3a28f5384a78d7e7e83b1f8ec1faa472e9ffbd88767e8b2bb1471acb15cab228.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" vowur.exe -
Executes dropped EXE 1 IoCs
pid Process 3504 vowur.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 3a28f5384a78d7e7e83b1f8ec1faa472e9ffbd88767e8b2bb1471acb15cab228.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vowur = "C:\\Users\\Admin\\vowur.exe /u" 3a28f5384a78d7e7e83b1f8ec1faa472e9ffbd88767e8b2bb1471acb15cab228.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vowur = "C:\\Users\\Admin\\vowur.exe /t" vowur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vowur = "C:\\Users\\Admin\\vowur.exe /e" vowur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vowur = "C:\\Users\\Admin\\vowur.exe /b" vowur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vowur = "C:\\Users\\Admin\\vowur.exe /k" vowur.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 3a28f5384a78d7e7e83b1f8ec1faa472e9ffbd88767e8b2bb1471acb15cab228.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vowur = "C:\\Users\\Admin\\vowur.exe /h" vowur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vowur = "C:\\Users\\Admin\\vowur.exe /d" vowur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vowur = "C:\\Users\\Admin\\vowur.exe /z" vowur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vowur = "C:\\Users\\Admin\\vowur.exe /f" vowur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vowur = "C:\\Users\\Admin\\vowur.exe /c" vowur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vowur = "C:\\Users\\Admin\\vowur.exe /o" vowur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vowur = "C:\\Users\\Admin\\vowur.exe /a" vowur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vowur = "C:\\Users\\Admin\\vowur.exe /w" vowur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vowur = "C:\\Users\\Admin\\vowur.exe /j" vowur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vowur = "C:\\Users\\Admin\\vowur.exe /v" vowur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vowur = "C:\\Users\\Admin\\vowur.exe /q" vowur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vowur = "C:\\Users\\Admin\\vowur.exe /n" vowur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vowur = "C:\\Users\\Admin\\vowur.exe /i" vowur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vowur = "C:\\Users\\Admin\\vowur.exe /g" vowur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vowur = "C:\\Users\\Admin\\vowur.exe /r" vowur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vowur = "C:\\Users\\Admin\\vowur.exe /l" vowur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vowur = "C:\\Users\\Admin\\vowur.exe /s" vowur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vowur = "C:\\Users\\Admin\\vowur.exe /m" vowur.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ vowur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vowur = "C:\\Users\\Admin\\vowur.exe /p" vowur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vowur = "C:\\Users\\Admin\\vowur.exe /u" vowur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vowur = "C:\\Users\\Admin\\vowur.exe /y" vowur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vowur = "C:\\Users\\Admin\\vowur.exe /x" vowur.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 2252 3a28f5384a78d7e7e83b1f8ec1faa472e9ffbd88767e8b2bb1471acb15cab228.exe 2252 3a28f5384a78d7e7e83b1f8ec1faa472e9ffbd88767e8b2bb1471acb15cab228.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe 3504 vowur.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2252 3a28f5384a78d7e7e83b1f8ec1faa472e9ffbd88767e8b2bb1471acb15cab228.exe 3504 vowur.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2252 wrote to memory of 3504 2252 3a28f5384a78d7e7e83b1f8ec1faa472e9ffbd88767e8b2bb1471acb15cab228.exe 81 PID 2252 wrote to memory of 3504 2252 3a28f5384a78d7e7e83b1f8ec1faa472e9ffbd88767e8b2bb1471acb15cab228.exe 81 PID 2252 wrote to memory of 3504 2252 3a28f5384a78d7e7e83b1f8ec1faa472e9ffbd88767e8b2bb1471acb15cab228.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\3a28f5384a78d7e7e83b1f8ec1faa472e9ffbd88767e8b2bb1471acb15cab228.exe"C:\Users\Admin\AppData\Local\Temp\3a28f5384a78d7e7e83b1f8ec1faa472e9ffbd88767e8b2bb1471acb15cab228.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:2252 -
C:\Users\Admin\vowur.exe"C:\Users\Admin\vowur.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:3504
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
224KB
MD595a2915bfc54389e1bec7f5c973337fa
SHA1bc1557bc2c5ec69855e78ea9bf04ec3ef6acdefb
SHA2564f000be6298912262f6197ee376f37d93290dcdf75d8220bf74fb92bd701b931
SHA512e1e02a761642556f81dcfce90193438e43fd2932d10be9a9c9d1881a9ee09b34c8d9b431e7734ca0973311471c8564fde903c09b1d34baee09f25dee1ab3cfb2
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Filesize
224KB
MD595a2915bfc54389e1bec7f5c973337fa
SHA1bc1557bc2c5ec69855e78ea9bf04ec3ef6acdefb
SHA2564f000be6298912262f6197ee376f37d93290dcdf75d8220bf74fb92bd701b931
SHA512e1e02a761642556f81dcfce90193438e43fd2932d10be9a9c9d1881a9ee09b34c8d9b431e7734ca0973311471c8564fde903c09b1d34baee09f25dee1ab3cfb2