Analysis
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max time kernel
151s -
max time network
186s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03/12/2022, 20:12
Static task
static1
Behavioral task
behavioral1
Sample
3e85fe9ddc4850fdc521017e46509898306a7a7048a46d81353fc4e2de717702.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
3e85fe9ddc4850fdc521017e46509898306a7a7048a46d81353fc4e2de717702.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
3e85fe9ddc4850fdc521017e46509898306a7a7048a46d81353fc4e2de717702.exe
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Size
220KB
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MD5
021f3d6bb8a10a104135352a3f2860c1
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SHA1
932ea63c36f3a1140c31b7063c6c8fa517063a2c
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SHA256
3e85fe9ddc4850fdc521017e46509898306a7a7048a46d81353fc4e2de717702
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SHA512
c4528df45343d2c1fc1cc82d095aaeb5b22f1c4b60b0f62e3f0133f5c9f34f5e11dc6797837947fc628a38d1121ffa6fd92f05b2bb5a26ac62bea9338292249f
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SSDEEP
6144:1wn/jyc5mFpvMTuGSouFQIlzBI1Iq3Fdrj6DUKSpFw0T:2/Gc5mFpxzBI1X3Fdrj6DUKSpl
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" 3e85fe9ddc4850fdc521017e46509898306a7a7048a46d81353fc4e2de717702.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" wioih.exe -
Executes dropped EXE 1 IoCs
pid Process 372 wioih.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 3e85fe9ddc4850fdc521017e46509898306a7a7048a46d81353fc4e2de717702.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 3e85fe9ddc4850fdc521017e46509898306a7a7048a46d81353fc4e2de717702.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ wioih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wioih = "C:\\Users\\Admin\\wioih.exe /y" wioih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wioih = "C:\\Users\\Admin\\wioih.exe /t" wioih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wioih = "C:\\Users\\Admin\\wioih.exe /q" wioih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wioih = "C:\\Users\\Admin\\wioih.exe /o" wioih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wioih = "C:\\Users\\Admin\\wioih.exe /r" wioih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wioih = "C:\\Users\\Admin\\wioih.exe /i" wioih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wioih = "C:\\Users\\Admin\\wioih.exe /w" wioih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wioih = "C:\\Users\\Admin\\wioih.exe /z" wioih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wioih = "C:\\Users\\Admin\\wioih.exe /j" 3e85fe9ddc4850fdc521017e46509898306a7a7048a46d81353fc4e2de717702.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wioih = "C:\\Users\\Admin\\wioih.exe /e" wioih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wioih = "C:\\Users\\Admin\\wioih.exe /a" wioih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wioih = "C:\\Users\\Admin\\wioih.exe /m" wioih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wioih = "C:\\Users\\Admin\\wioih.exe /u" wioih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wioih = "C:\\Users\\Admin\\wioih.exe /l" wioih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wioih = "C:\\Users\\Admin\\wioih.exe /c" wioih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wioih = "C:\\Users\\Admin\\wioih.exe /f" wioih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wioih = "C:\\Users\\Admin\\wioih.exe /n" wioih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wioih = "C:\\Users\\Admin\\wioih.exe /x" wioih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wioih = "C:\\Users\\Admin\\wioih.exe /j" wioih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wioih = "C:\\Users\\Admin\\wioih.exe /d" wioih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wioih = "C:\\Users\\Admin\\wioih.exe /g" wioih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wioih = "C:\\Users\\Admin\\wioih.exe /s" wioih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wioih = "C:\\Users\\Admin\\wioih.exe /b" wioih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wioih = "C:\\Users\\Admin\\wioih.exe /p" wioih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wioih = "C:\\Users\\Admin\\wioih.exe /k" wioih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wioih = "C:\\Users\\Admin\\wioih.exe /h" wioih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wioih = "C:\\Users\\Admin\\wioih.exe /v" wioih.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 3892 3e85fe9ddc4850fdc521017e46509898306a7a7048a46d81353fc4e2de717702.exe 3892 3e85fe9ddc4850fdc521017e46509898306a7a7048a46d81353fc4e2de717702.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe 372 wioih.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3892 3e85fe9ddc4850fdc521017e46509898306a7a7048a46d81353fc4e2de717702.exe 372 wioih.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3892 wrote to memory of 372 3892 3e85fe9ddc4850fdc521017e46509898306a7a7048a46d81353fc4e2de717702.exe 77 PID 3892 wrote to memory of 372 3892 3e85fe9ddc4850fdc521017e46509898306a7a7048a46d81353fc4e2de717702.exe 77 PID 3892 wrote to memory of 372 3892 3e85fe9ddc4850fdc521017e46509898306a7a7048a46d81353fc4e2de717702.exe 77
Processes
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C:\Users\Admin\AppData\Local\Temp\3e85fe9ddc4850fdc521017e46509898306a7a7048a46d81353fc4e2de717702.exe"C:\Users\Admin\AppData\Local\Temp\3e85fe9ddc4850fdc521017e46509898306a7a7048a46d81353fc4e2de717702.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:3892 -
C:\Users\Admin\wioih.exe"C:\Users\Admin\wioih.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:372
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
220KB
MD51a8693918edb5220c23143a833182329
SHA1263352e597cad86cb63d84282261e015f45c54b7
SHA25691cb1f5c563ae8a556fae6051760ccdc04b320e89a3d47329b0cfc7004d7dfd3
SHA5121b5d42e1dd9c8828e39b10f9a300520558e91089fc1e57a8c9c3f807836a349b5121b0279ddd8fb0c2a8ca0b3209e14161582cefd3835358533bf43a32d81d16
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Filesize
220KB
MD51a8693918edb5220c23143a833182329
SHA1263352e597cad86cb63d84282261e015f45c54b7
SHA25691cb1f5c563ae8a556fae6051760ccdc04b320e89a3d47329b0cfc7004d7dfd3
SHA5121b5d42e1dd9c8828e39b10f9a300520558e91089fc1e57a8c9c3f807836a349b5121b0279ddd8fb0c2a8ca0b3209e14161582cefd3835358533bf43a32d81d16