Analysis
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max time kernel
151s -
max time network
52s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
06/11/2022, 15:20
Static task
static1
Behavioral task
behavioral1
Sample
d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe
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Size
168KB
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MD5
047761379d5935a4058122a2470eacbe
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SHA1
915d4d74ae237a1210777c9b567730773d630034
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SHA256
d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686
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SHA512
9753070b69cdf43dee2706a39c4ad47293f9cd1f35fd2952ebe1e197fca959b1a461cda831a24a7c79c3e4b4af091b3a67fb98dbcefc2185a21ed9056da4789a
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SSDEEP
3072:DKhymvVqFfeKiGLOlx6ktpl/umGZPvX8T0wAt72FREQC2mX:DKh3WznOlx6kt/q5zwAtbv
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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" zoiudas.exe -
Executes dropped EXE 1 IoCs
pid Process 1168 zoiudas.exe -
Loads dropped DLL 2 IoCs
pid Process 1376 d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe 1376 d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoiudas = "C:\\Users\\Admin\\zoiudas.exe /i" zoiudas.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoiudas = "C:\\Users\\Admin\\zoiudas.exe /r" zoiudas.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoiudas = "C:\\Users\\Admin\\zoiudas.exe /f" zoiudas.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoiudas = "C:\\Users\\Admin\\zoiudas.exe /q" zoiudas.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoiudas = "C:\\Users\\Admin\\zoiudas.exe /v" zoiudas.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoiudas = "C:\\Users\\Admin\\zoiudas.exe /k" zoiudas.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoiudas = "C:\\Users\\Admin\\zoiudas.exe /a" zoiudas.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoiudas = "C:\\Users\\Admin\\zoiudas.exe /b" zoiudas.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoiudas = "C:\\Users\\Admin\\zoiudas.exe /g" zoiudas.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoiudas = "C:\\Users\\Admin\\zoiudas.exe /h" zoiudas.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoiudas = "C:\\Users\\Admin\\zoiudas.exe /y" zoiudas.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoiudas = "C:\\Users\\Admin\\zoiudas.exe /s" zoiudas.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoiudas = "C:\\Users\\Admin\\zoiudas.exe /d" zoiudas.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoiudas = "C:\\Users\\Admin\\zoiudas.exe /o" zoiudas.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoiudas = "C:\\Users\\Admin\\zoiudas.exe /k" d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoiudas = "C:\\Users\\Admin\\zoiudas.exe /l" zoiudas.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoiudas = "C:\\Users\\Admin\\zoiudas.exe /j" zoiudas.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ zoiudas.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoiudas = "C:\\Users\\Admin\\zoiudas.exe /n" zoiudas.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoiudas = "C:\\Users\\Admin\\zoiudas.exe /x" zoiudas.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoiudas = "C:\\Users\\Admin\\zoiudas.exe /z" zoiudas.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoiudas = "C:\\Users\\Admin\\zoiudas.exe /t" zoiudas.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoiudas = "C:\\Users\\Admin\\zoiudas.exe /w" zoiudas.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoiudas = "C:\\Users\\Admin\\zoiudas.exe /c" zoiudas.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoiudas = "C:\\Users\\Admin\\zoiudas.exe /u" zoiudas.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoiudas = "C:\\Users\\Admin\\zoiudas.exe /e" zoiudas.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoiudas = "C:\\Users\\Admin\\zoiudas.exe /p" zoiudas.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoiudas = "C:\\Users\\Admin\\zoiudas.exe /m" zoiudas.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 1376 d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe 1168 zoiudas.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1376 d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe 1168 zoiudas.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1376 wrote to memory of 1168 1376 d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe 26 PID 1376 wrote to memory of 1168 1376 d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe 26 PID 1376 wrote to memory of 1168 1376 d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe 26 PID 1376 wrote to memory of 1168 1376 d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe 26
Processes
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C:\Users\Admin\AppData\Local\Temp\d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe"C:\Users\Admin\AppData\Local\Temp\d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1376 -
C:\Users\Admin\zoiudas.exe"C:\Users\Admin\zoiudas.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:1168
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
168KB
MD5a6a81e9d8145dc6ad4674604cd38da3f
SHA1f9cd913cabf1a88081c19f77d4702916bbe85a44
SHA2561549b5cfa1232cf7031ac5c9895185cbfd96068488d089d4e7060c27bd90aa37
SHA51225d54de11981e3d889fba7c8335a64a07e3072732fb5670c2477e32faf97e506cce3281067c0be32f28e50679649e9c4f5a699de5a84e38067123f3591ecc629
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Filesize
168KB
MD5a6a81e9d8145dc6ad4674604cd38da3f
SHA1f9cd913cabf1a88081c19f77d4702916bbe85a44
SHA2561549b5cfa1232cf7031ac5c9895185cbfd96068488d089d4e7060c27bd90aa37
SHA51225d54de11981e3d889fba7c8335a64a07e3072732fb5670c2477e32faf97e506cce3281067c0be32f28e50679649e9c4f5a699de5a84e38067123f3591ecc629
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Filesize
168KB
MD5a6a81e9d8145dc6ad4674604cd38da3f
SHA1f9cd913cabf1a88081c19f77d4702916bbe85a44
SHA2561549b5cfa1232cf7031ac5c9895185cbfd96068488d089d4e7060c27bd90aa37
SHA51225d54de11981e3d889fba7c8335a64a07e3072732fb5670c2477e32faf97e506cce3281067c0be32f28e50679649e9c4f5a699de5a84e38067123f3591ecc629
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Filesize
168KB
MD5a6a81e9d8145dc6ad4674604cd38da3f
SHA1f9cd913cabf1a88081c19f77d4702916bbe85a44
SHA2561549b5cfa1232cf7031ac5c9895185cbfd96068488d089d4e7060c27bd90aa37
SHA51225d54de11981e3d889fba7c8335a64a07e3072732fb5670c2477e32faf97e506cce3281067c0be32f28e50679649e9c4f5a699de5a84e38067123f3591ecc629