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Analysis
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max time kernel
151s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
29/11/2022, 16:38
Static task
static1
Behavioral task
behavioral1
Sample
6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe
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Size
236KB
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MD5
bac33ce6e5d69f42eea788f6707223ac
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SHA1
36a706324a76bbcf4a1933219ac2bd1ade09f888
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SHA256
6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097
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SHA512
e72a72142786c75c220974becd80f9a3853234214874a7b4ae494e623716aac0f1a817a9040bd63de178999c255e09b8e710fbb2125622f536e796a58195a9a3
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SSDEEP
3072:V6VlhsJ0Z2svyMZeIT51B8u0gWCyiHCUPqgvs:jSZ2uyMwItf8u0gWCyiHCl
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" 6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yoino.exe -
Executes dropped EXE 1 IoCs
pid Process 588 yoino.exe -
Loads dropped DLL 2 IoCs
pid Process 1388 6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe 1388 6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.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\yoino = "C:\\Users\\Admin\\yoino.exe /z" yoino.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoino = "C:\\Users\\Admin\\yoino.exe /q" yoino.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ yoino.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoino = "C:\\Users\\Admin\\yoino.exe /d" yoino.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoino = "C:\\Users\\Admin\\yoino.exe /x" yoino.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoino = "C:\\Users\\Admin\\yoino.exe /m" yoino.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoino = "C:\\Users\\Admin\\yoino.exe /t" yoino.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoino = "C:\\Users\\Admin\\yoino.exe /n" yoino.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoino = "C:\\Users\\Admin\\yoino.exe /b" yoino.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoino = "C:\\Users\\Admin\\yoino.exe /j" yoino.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoino = "C:\\Users\\Admin\\yoino.exe /u" yoino.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoino = "C:\\Users\\Admin\\yoino.exe /l" yoino.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoino = "C:\\Users\\Admin\\yoino.exe /r" yoino.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoino = "C:\\Users\\Admin\\yoino.exe /a" yoino.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoino = "C:\\Users\\Admin\\yoino.exe /i" yoino.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoino = "C:\\Users\\Admin\\yoino.exe /y" yoino.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoino = "C:\\Users\\Admin\\yoino.exe /o" yoino.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoino = "C:\\Users\\Admin\\yoino.exe /f" yoino.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoino = "C:\\Users\\Admin\\yoino.exe /e" yoino.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoino = "C:\\Users\\Admin\\yoino.exe /z" 6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoino = "C:\\Users\\Admin\\yoino.exe /g" yoino.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoino = "C:\\Users\\Admin\\yoino.exe /h" yoino.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoino = "C:\\Users\\Admin\\yoino.exe /k" yoino.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoino = "C:\\Users\\Admin\\yoino.exe /p" yoino.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoino = "C:\\Users\\Admin\\yoino.exe /w" yoino.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoino = "C:\\Users\\Admin\\yoino.exe /c" yoino.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoino = "C:\\Users\\Admin\\yoino.exe /s" yoino.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoino = "C:\\Users\\Admin\\yoino.exe /v" yoino.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 1388 6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe 588 yoino.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1388 6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe 588 yoino.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1388 wrote to memory of 588 1388 6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe 27 PID 1388 wrote to memory of 588 1388 6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe 27 PID 1388 wrote to memory of 588 1388 6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe 27 PID 1388 wrote to memory of 588 1388 6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe"C:\Users\Admin\AppData\Local\Temp\6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.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:1388 -
C:\Users\Admin\yoino.exe"C:\Users\Admin\yoino.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:588
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
236KB
MD50c4c14bdb5d9bc63141cf3050d43d19f
SHA12a881d280ccb0ab0a9bc0ae9cf017287226f3517
SHA256454d7a3c2d1587b6a7cb5866048c75c84b1aa277dc7ede6b46f2de1eb62ec41f
SHA512e272bd9bb061d38892e65bd7370d3966aa0316f49562921763cd5855ff272d9b98901398e4629b0f0bcf5c421bb833357ae78a17ccbe2cc6436c9d7dc90882fb
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Filesize
236KB
MD50c4c14bdb5d9bc63141cf3050d43d19f
SHA12a881d280ccb0ab0a9bc0ae9cf017287226f3517
SHA256454d7a3c2d1587b6a7cb5866048c75c84b1aa277dc7ede6b46f2de1eb62ec41f
SHA512e272bd9bb061d38892e65bd7370d3966aa0316f49562921763cd5855ff272d9b98901398e4629b0f0bcf5c421bb833357ae78a17ccbe2cc6436c9d7dc90882fb
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Filesize
236KB
MD50c4c14bdb5d9bc63141cf3050d43d19f
SHA12a881d280ccb0ab0a9bc0ae9cf017287226f3517
SHA256454d7a3c2d1587b6a7cb5866048c75c84b1aa277dc7ede6b46f2de1eb62ec41f
SHA512e272bd9bb061d38892e65bd7370d3966aa0316f49562921763cd5855ff272d9b98901398e4629b0f0bcf5c421bb833357ae78a17ccbe2cc6436c9d7dc90882fb
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Filesize
236KB
MD50c4c14bdb5d9bc63141cf3050d43d19f
SHA12a881d280ccb0ab0a9bc0ae9cf017287226f3517
SHA256454d7a3c2d1587b6a7cb5866048c75c84b1aa277dc7ede6b46f2de1eb62ec41f
SHA512e272bd9bb061d38892e65bd7370d3966aa0316f49562921763cd5855ff272d9b98901398e4629b0f0bcf5c421bb833357ae78a17ccbe2cc6436c9d7dc90882fb