Analysis
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max time kernel
150s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
25/12/2023, 05:53
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
098c1f8f1207b9e5aa4c4a82fc1cfb59.exe
Resource
win7-20231215-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
098c1f8f1207b9e5aa4c4a82fc1cfb59.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
098c1f8f1207b9e5aa4c4a82fc1cfb59.exe
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Size
240KB
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MD5
098c1f8f1207b9e5aa4c4a82fc1cfb59
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SHA1
d43366546518c246bfc6b9b5b52d4504bb122967
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SHA256
28eb8aa1c3e34a85b09ae93bbbcb690ee1a6c5a497eea0dda524f4737928d2c0
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SHA512
e78abf0f533d0c014d7ddd8a08c6874966a6ab9a85b08baf51205250bc93d35fd3d1366e275dbe76559559edd9886a68da46311b8399381086e0037cd3ad96e4
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SSDEEP
6144:10B3dwqsNTNEXGlQR58EqxF6snji81RUinKq3aEESliDnl:10NdQKjeaEEpZ
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-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 098c1f8f1207b9e5aa4c4a82fc1cfb59.exe Set value (int) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yhnoed.exe -
Executes dropped EXE 1 IoCs
pid Process 1384 yhnoed.exe -
Loads dropped DLL 2 IoCs
pid Process 1524 098c1f8f1207b9e5aa4c4a82fc1cfb59.exe 1524 098c1f8f1207b9e5aa4c4a82fc1cfb59.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\yhnoed = "C:\\Users\\Admin\\yhnoed.exe /x" yhnoed.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\yhnoed = "C:\\Users\\Admin\\yhnoed.exe /i" yhnoed.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\yhnoed = "C:\\Users\\Admin\\yhnoed.exe /m" yhnoed.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\yhnoed = "C:\\Users\\Admin\\yhnoed.exe /d" yhnoed.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\yhnoed = "C:\\Users\\Admin\\yhnoed.exe /y" yhnoed.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\yhnoed = "C:\\Users\\Admin\\yhnoed.exe /v" yhnoed.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\yhnoed = "C:\\Users\\Admin\\yhnoed.exe /q" yhnoed.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\yhnoed = "C:\\Users\\Admin\\yhnoed.exe /e" yhnoed.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\yhnoed = "C:\\Users\\Admin\\yhnoed.exe /u" yhnoed.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\yhnoed = "C:\\Users\\Admin\\yhnoed.exe /v" 098c1f8f1207b9e5aa4c4a82fc1cfb59.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\yhnoed = "C:\\Users\\Admin\\yhnoed.exe /j" yhnoed.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\yhnoed = "C:\\Users\\Admin\\yhnoed.exe /o" yhnoed.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\yhnoed = "C:\\Users\\Admin\\yhnoed.exe /f" yhnoed.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\yhnoed = "C:\\Users\\Admin\\yhnoed.exe /n" yhnoed.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\yhnoed = "C:\\Users\\Admin\\yhnoed.exe /s" yhnoed.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\yhnoed = "C:\\Users\\Admin\\yhnoed.exe /h" yhnoed.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\yhnoed = "C:\\Users\\Admin\\yhnoed.exe /w" yhnoed.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\yhnoed = "C:\\Users\\Admin\\yhnoed.exe /t" yhnoed.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\yhnoed = "C:\\Users\\Admin\\yhnoed.exe /r" yhnoed.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\yhnoed = "C:\\Users\\Admin\\yhnoed.exe /c" yhnoed.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\yhnoed = "C:\\Users\\Admin\\yhnoed.exe /b" yhnoed.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\yhnoed = "C:\\Users\\Admin\\yhnoed.exe /p" yhnoed.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\yhnoed = "C:\\Users\\Admin\\yhnoed.exe /g" yhnoed.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\yhnoed = "C:\\Users\\Admin\\yhnoed.exe /l" yhnoed.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\yhnoed = "C:\\Users\\Admin\\yhnoed.exe /k" yhnoed.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\yhnoed = "C:\\Users\\Admin\\yhnoed.exe /z" yhnoed.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\yhnoed = "C:\\Users\\Admin\\yhnoed.exe /a" yhnoed.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1524 098c1f8f1207b9e5aa4c4a82fc1cfb59.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe 1384 yhnoed.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1524 098c1f8f1207b9e5aa4c4a82fc1cfb59.exe 1384 yhnoed.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1524 wrote to memory of 1384 1524 098c1f8f1207b9e5aa4c4a82fc1cfb59.exe 28 PID 1524 wrote to memory of 1384 1524 098c1f8f1207b9e5aa4c4a82fc1cfb59.exe 28 PID 1524 wrote to memory of 1384 1524 098c1f8f1207b9e5aa4c4a82fc1cfb59.exe 28 PID 1524 wrote to memory of 1384 1524 098c1f8f1207b9e5aa4c4a82fc1cfb59.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\098c1f8f1207b9e5aa4c4a82fc1cfb59.exe"C:\Users\Admin\AppData\Local\Temp\098c1f8f1207b9e5aa4c4a82fc1cfb59.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:1524 -
C:\Users\Admin\yhnoed.exe"C:\Users\Admin\yhnoed.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:1384
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
240KB
MD575821ce9399412df999d0661d80e0ed4
SHA1eca89c0aa1e5eb97eeb8b4b8a5419ffde894da9a
SHA2566e8732b15e1a6bcc605482dbe034b740d5b00600fd48dc363589efe5e1192e7e
SHA5124e9118d8643984b4e4e27efcf76e012bce7ae13d3ec670087dd11935ce95003d27debeae80227b0c4442073456ac3af439ebb73dd9fc1f3188fc83e6b9601dbe