Analysis
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max time kernel
171s -
max time network
205s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
07/12/2022, 03:43
Static task
static1
Behavioral task
behavioral1
Sample
cc8e62d91046f58a35c82a3f2d139aa6b9ba22d4d950a91a93526b48dd267b8c.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
cc8e62d91046f58a35c82a3f2d139aa6b9ba22d4d950a91a93526b48dd267b8c.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
cc8e62d91046f58a35c82a3f2d139aa6b9ba22d4d950a91a93526b48dd267b8c.exe
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Size
120KB
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MD5
4ba2ad33df10a48502784c82c4deb340
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SHA1
c5fdadc25a0e8560a9ffce24b6d126458a4943ce
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SHA256
cc8e62d91046f58a35c82a3f2d139aa6b9ba22d4d950a91a93526b48dd267b8c
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SHA512
37c579fba86f3460374dbff7c1d74b2682d338ae62879966ea5fc70ae3ea2ed57f813fed46d5f89b698e01325ab5dd4418010845f061ed16d8e8b581a41828b8
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SSDEEP
1536:FrFCF+feS6Vf9qaXGE2Mtf9oUrUQKiQg9F5tkV7pjuX5e6wTeU/6lYkt5ycQg:zC2etVfQW2MtF3lV9qEYyLX
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" cc8e62d91046f58a35c82a3f2d139aa6b9ba22d4d950a91a93526b48dd267b8c.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" wouinip.exe -
Executes dropped EXE 1 IoCs
pid Process 3464 wouinip.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 cc8e62d91046f58a35c82a3f2d139aa6b9ba22d4d950a91a93526b48dd267b8c.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\wouinip = "C:\\Users\\Admin\\wouinip.exe /b" wouinip.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wouinip = "C:\\Users\\Admin\\wouinip.exe /s" wouinip.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wouinip = "C:\\Users\\Admin\\wouinip.exe /c" cc8e62d91046f58a35c82a3f2d139aa6b9ba22d4d950a91a93526b48dd267b8c.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wouinip = "C:\\Users\\Admin\\wouinip.exe /m" wouinip.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wouinip = "C:\\Users\\Admin\\wouinip.exe /i" wouinip.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wouinip = "C:\\Users\\Admin\\wouinip.exe /w" wouinip.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wouinip = "C:\\Users\\Admin\\wouinip.exe /g" wouinip.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wouinip = "C:\\Users\\Admin\\wouinip.exe /e" wouinip.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wouinip = "C:\\Users\\Admin\\wouinip.exe /z" wouinip.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wouinip = "C:\\Users\\Admin\\wouinip.exe /v" wouinip.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wouinip = "C:\\Users\\Admin\\wouinip.exe /u" wouinip.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ cc8e62d91046f58a35c82a3f2d139aa6b9ba22d4d950a91a93526b48dd267b8c.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ wouinip.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wouinip = "C:\\Users\\Admin\\wouinip.exe /f" wouinip.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wouinip = "C:\\Users\\Admin\\wouinip.exe /p" wouinip.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wouinip = "C:\\Users\\Admin\\wouinip.exe /q" wouinip.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wouinip = "C:\\Users\\Admin\\wouinip.exe /r" wouinip.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wouinip = "C:\\Users\\Admin\\wouinip.exe /k" wouinip.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wouinip = "C:\\Users\\Admin\\wouinip.exe /n" wouinip.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wouinip = "C:\\Users\\Admin\\wouinip.exe /o" wouinip.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wouinip = "C:\\Users\\Admin\\wouinip.exe /c" wouinip.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wouinip = "C:\\Users\\Admin\\wouinip.exe /h" wouinip.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wouinip = "C:\\Users\\Admin\\wouinip.exe /a" wouinip.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wouinip = "C:\\Users\\Admin\\wouinip.exe /t" wouinip.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wouinip = "C:\\Users\\Admin\\wouinip.exe /d" wouinip.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wouinip = "C:\\Users\\Admin\\wouinip.exe /l" wouinip.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wouinip = "C:\\Users\\Admin\\wouinip.exe /x" wouinip.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wouinip = "C:\\Users\\Admin\\wouinip.exe /j" wouinip.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wouinip = "C:\\Users\\Admin\\wouinip.exe /y" wouinip.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 4320 cc8e62d91046f58a35c82a3f2d139aa6b9ba22d4d950a91a93526b48dd267b8c.exe 4320 cc8e62d91046f58a35c82a3f2d139aa6b9ba22d4d950a91a93526b48dd267b8c.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe 3464 wouinip.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4320 cc8e62d91046f58a35c82a3f2d139aa6b9ba22d4d950a91a93526b48dd267b8c.exe 3464 wouinip.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4320 wrote to memory of 3464 4320 cc8e62d91046f58a35c82a3f2d139aa6b9ba22d4d950a91a93526b48dd267b8c.exe 83 PID 4320 wrote to memory of 3464 4320 cc8e62d91046f58a35c82a3f2d139aa6b9ba22d4d950a91a93526b48dd267b8c.exe 83 PID 4320 wrote to memory of 3464 4320 cc8e62d91046f58a35c82a3f2d139aa6b9ba22d4d950a91a93526b48dd267b8c.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\cc8e62d91046f58a35c82a3f2d139aa6b9ba22d4d950a91a93526b48dd267b8c.exe"C:\Users\Admin\AppData\Local\Temp\cc8e62d91046f58a35c82a3f2d139aa6b9ba22d4d950a91a93526b48dd267b8c.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:4320 -
C:\Users\Admin\wouinip.exe"C:\Users\Admin\wouinip.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:3464
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
120KB
MD556b154717718330b9f06ff38f651f581
SHA14bf5d72f838d9e8ba6ee631932d4b125e3294eec
SHA25655e49ec6fe5825447885481feb41f0a6a32c18eb1b36f9706450575bfa437257
SHA5124c6edac279754e47a3ff6faa09103982f14b4a1acc5bbf65893de9d61e32e418f9a8b7f84d82ebe4a5f49257e4e7ea3a4bf046e2ff122ad35ca2a54a12bf763e
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Filesize
120KB
MD556b154717718330b9f06ff38f651f581
SHA14bf5d72f838d9e8ba6ee631932d4b125e3294eec
SHA25655e49ec6fe5825447885481feb41f0a6a32c18eb1b36f9706450575bfa437257
SHA5124c6edac279754e47a3ff6faa09103982f14b4a1acc5bbf65893de9d61e32e418f9a8b7f84d82ebe4a5f49257e4e7ea3a4bf046e2ff122ad35ca2a54a12bf763e