Analysis
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max time kernel
151s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
31-10-2022 01:15
Behavioral task
behavioral1
Sample
a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe
Resource
win10v2004-20220812-en
General
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Target
a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe
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Size
282KB
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MD5
91b8a3ebbabd949fa72c50b2f7424600
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SHA1
e8be25e7f1767ef67d820139cd3aecc2ce2afd48
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SHA256
a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b
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SHA512
c7733d6ffc5653690f647d46330119426f2adbb221221668d904cd4f261f16307e2056fab0298ae28931e059e871584e53ac2734a3c30559e307a949464f23db
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SSDEEP
1536:x3M6ru8+BfQsABHOx1cHE0+Q8g754voiGYkTHV:x3MBpYsABHy+FFiGYkTHV
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\Windows\\System32\\?HT?MSYS19.exe" a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe -
Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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" a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe -
resource yara_rule behavioral1/memory/896-57-0x0000000000400000-0x0000000000457000-memory.dmp upx behavioral1/memory/896-58-0x0000000000400000-0x0000000000457000-memory.dmp upx -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\?tfm?n.exe = "C:\\Windows\\System32\\?tfmon.exe" a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\lsass = "C:\\Windows\\System32\\DETER177\\lsass.exe" a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\?tfm?n.exe = "C:\\Windows\\System32\\?tfmon.exe" a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\X: a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened (read-only) \??\U: a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened (read-only) \??\Q: a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened (read-only) \??\L: a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened (read-only) \??\H: a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened (read-only) \??\G: a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened (read-only) \??\Z: a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened (read-only) \??\R: a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened (read-only) \??\O: a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened (read-only) \??\K: a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened (read-only) \??\E: a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened (read-only) \??\V: a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened (read-only) \??\P: a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened (read-only) \??\M: a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened (read-only) \??\J: a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened (read-only) \??\I: a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened (read-only) \??\F: a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened (read-only) \??\Y: a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened (read-only) \??\T: a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened (read-only) \??\S: a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened (read-only) \??\N: a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened (read-only) \??\W: a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe -
Drops autorun.inf file 1 TTPs 2 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File created C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn\autorun.inf a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn\autorun.inf a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe -
Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\sysrotdmo.sys a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File created C:\Windows\SysWOW64\рsаdоr18.dll a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened for modification C:\Windows\SysWOW64\рsаdоr18.dll a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File created C:\Windows\SysWOW64\DETER177\smss.exe a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened for modification C:\Windows\SysWOW64\DETER177\smss.exe a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File created C:\Windows\SysWOW64\DETER177\svсhоst.exe a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened for modification C:\Windows\SysWOW64\DETER177\sv?h?st.exe a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened for modification C:\Windows\SysWOW64\?HT?MSYS19.exe a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File created C:\Windows\SysWOW64\sysrotdmo.sys a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened for modification C:\Windows\SysWOW64\DETER177 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File created C:\Windows\SysWOW64\schmvi a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File opened for modification C:\Windows\SysWOW64\schmvi a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe File created C:\Windows\SysWOW64\АHTОMSYS19.exe a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\ = "????? ? ???????" a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 896 a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe -
System policy modification 1 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\explorer a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions = "1" a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe"C:\Users\Admin\AppData\Local\Temp\a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe"1⤵
- Modifies WinLogon for persistence
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Adds Run key to start application
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:896