Analysis
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max time kernel
158s -
max time network
55s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
02-12-2022 23:43
Static task
static1
Behavioral task
behavioral1
Sample
ad0e76e2d0687c1c76ec8c706f0113b9b8459dc6c14e75864afbf876501bcfef.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
ad0e76e2d0687c1c76ec8c706f0113b9b8459dc6c14e75864afbf876501bcfef.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
ad0e76e2d0687c1c76ec8c706f0113b9b8459dc6c14e75864afbf876501bcfef.exe
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Size
293KB
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MD5
4f93ca947f0bde1b6cdca3d515d7eef9
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SHA1
9ddfe6858ab0cb510c1569c93da85783ab9dfaa1
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SHA256
ad0e76e2d0687c1c76ec8c706f0113b9b8459dc6c14e75864afbf876501bcfef
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SHA512
233be13cee29763bf22493cb2277683f3826b0ceace0b186f04b5ca27dabe3a6058f1ac8239407682ea34ce98b0c6b9d351c90a97162113d695158e2623b9786
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SSDEEP
6144:7uaPHPr5dFvW8HGzNz8I4vDWsQAcSnuXLH6M4hvBZnvJ:CaPHVdFvW8Hu/4vDKpXLGhvBf
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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ad0e76e2d0687c1c76ec8c706f0113b9b8459dc6c14e75864afbf876501bcfef.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ynyiw.exe -
Executes dropped EXE 1 IoCs
pid Process 1516 ynyiw.exe -
Loads dropped DLL 2 IoCs
pid Process 1728 ad0e76e2d0687c1c76ec8c706f0113b9b8459dc6c14e75864afbf876501bcfef.exe 1728 ad0e76e2d0687c1c76ec8c706f0113b9b8459dc6c14e75864afbf876501bcfef.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ ad0e76e2d0687c1c76ec8c706f0113b9b8459dc6c14e75864afbf876501bcfef.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ynyiw = "C:\\Users\\Admin\\ynyiw.exe /x" ynyiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ynyiw = "C:\\Users\\Admin\\ynyiw.exe /k" ynyiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ynyiw = "C:\\Users\\Admin\\ynyiw.exe /a" ynyiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ynyiw = "C:\\Users\\Admin\\ynyiw.exe /l" ynyiw.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ ynyiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ynyiw = "C:\\Users\\Admin\\ynyiw.exe /d" ynyiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ynyiw = "C:\\Users\\Admin\\ynyiw.exe /s" ynyiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ynyiw = "C:\\Users\\Admin\\ynyiw.exe /z" ynyiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ynyiw = "C:\\Users\\Admin\\ynyiw.exe /c" ynyiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ynyiw = "C:\\Users\\Admin\\ynyiw.exe /h" ynyiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ynyiw = "C:\\Users\\Admin\\ynyiw.exe /f" ynyiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ynyiw = "C:\\Users\\Admin\\ynyiw.exe /j" ynyiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ynyiw = "C:\\Users\\Admin\\ynyiw.exe /u" ynyiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ynyiw = "C:\\Users\\Admin\\ynyiw.exe /q" ynyiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ynyiw = "C:\\Users\\Admin\\ynyiw.exe /v" ynyiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ynyiw = "C:\\Users\\Admin\\ynyiw.exe /g" ynyiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ynyiw = "C:\\Users\\Admin\\ynyiw.exe /e" ynyiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ynyiw = "C:\\Users\\Admin\\ynyiw.exe /w" ynyiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ynyiw = "C:\\Users\\Admin\\ynyiw.exe /b" ynyiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ynyiw = "C:\\Users\\Admin\\ynyiw.exe /m" ynyiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ynyiw = "C:\\Users\\Admin\\ynyiw.exe /l" ad0e76e2d0687c1c76ec8c706f0113b9b8459dc6c14e75864afbf876501bcfef.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ynyiw = "C:\\Users\\Admin\\ynyiw.exe /t" ynyiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ynyiw = "C:\\Users\\Admin\\ynyiw.exe /y" ynyiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ynyiw = "C:\\Users\\Admin\\ynyiw.exe /i" ynyiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ynyiw = "C:\\Users\\Admin\\ynyiw.exe /n" ynyiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ynyiw = "C:\\Users\\Admin\\ynyiw.exe /r" ynyiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ynyiw = "C:\\Users\\Admin\\ynyiw.exe /o" ynyiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ynyiw = "C:\\Users\\Admin\\ynyiw.exe /p" ynyiw.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 1728 ad0e76e2d0687c1c76ec8c706f0113b9b8459dc6c14e75864afbf876501bcfef.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe 1516 ynyiw.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1728 ad0e76e2d0687c1c76ec8c706f0113b9b8459dc6c14e75864afbf876501bcfef.exe 1516 ynyiw.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1728 wrote to memory of 1516 1728 ad0e76e2d0687c1c76ec8c706f0113b9b8459dc6c14e75864afbf876501bcfef.exe 28 PID 1728 wrote to memory of 1516 1728 ad0e76e2d0687c1c76ec8c706f0113b9b8459dc6c14e75864afbf876501bcfef.exe 28 PID 1728 wrote to memory of 1516 1728 ad0e76e2d0687c1c76ec8c706f0113b9b8459dc6c14e75864afbf876501bcfef.exe 28 PID 1728 wrote to memory of 1516 1728 ad0e76e2d0687c1c76ec8c706f0113b9b8459dc6c14e75864afbf876501bcfef.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\ad0e76e2d0687c1c76ec8c706f0113b9b8459dc6c14e75864afbf876501bcfef.exe"C:\Users\Admin\AppData\Local\Temp\ad0e76e2d0687c1c76ec8c706f0113b9b8459dc6c14e75864afbf876501bcfef.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:1728 -
C:\Users\Admin\ynyiw.exe"C:\Users\Admin\ynyiw.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:1516
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
293KB
MD55db643a94a3b5b772e5957f3972ed567
SHA1423e4da63096b6244497b2a63bc319809ef9c1b6
SHA256439e54e79f55d006fd8c3ee903850e5e6378652382209311db469bf097575da2
SHA51295a89f3d255f1434cceb6e491bbc367c2c8e5c7f755daa9eab1370e6a5f5f313220e259868b1789bd5ad054ae6df9df07aefedac39a330c53af822f5fd1c923a
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Filesize
293KB
MD55db643a94a3b5b772e5957f3972ed567
SHA1423e4da63096b6244497b2a63bc319809ef9c1b6
SHA256439e54e79f55d006fd8c3ee903850e5e6378652382209311db469bf097575da2
SHA51295a89f3d255f1434cceb6e491bbc367c2c8e5c7f755daa9eab1370e6a5f5f313220e259868b1789bd5ad054ae6df9df07aefedac39a330c53af822f5fd1c923a
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Filesize
293KB
MD55db643a94a3b5b772e5957f3972ed567
SHA1423e4da63096b6244497b2a63bc319809ef9c1b6
SHA256439e54e79f55d006fd8c3ee903850e5e6378652382209311db469bf097575da2
SHA51295a89f3d255f1434cceb6e491bbc367c2c8e5c7f755daa9eab1370e6a5f5f313220e259868b1789bd5ad054ae6df9df07aefedac39a330c53af822f5fd1c923a
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Filesize
293KB
MD55db643a94a3b5b772e5957f3972ed567
SHA1423e4da63096b6244497b2a63bc319809ef9c1b6
SHA256439e54e79f55d006fd8c3ee903850e5e6378652382209311db469bf097575da2
SHA51295a89f3d255f1434cceb6e491bbc367c2c8e5c7f755daa9eab1370e6a5f5f313220e259868b1789bd5ad054ae6df9df07aefedac39a330c53af822f5fd1c923a