Analysis
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max time kernel
25s -
max time network
40s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
19-07-2021 19:34
Static task
static1
Behavioral task
behavioral1
Sample
43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe
Resource
win10v20210410
General
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Target
43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe
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Size
402KB
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MD5
d285f1366d0d4fdae0b558db690497ea
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SHA1
f6f94e2f49cd64a9590963ef3852e135e2b8deba
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SHA256
43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856
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SHA512
0922a6698c9a63935289fed5f70eff7cd4603c113410e713bcff6039a70edd1b505af503fb0f9e19b21f56cacba1d774c9a51dc275be2a0d67477731c5cc2718
Malware Config
Extracted
C:\$Recycle.Bin\GET_YOUR_FILES_BACK.txt
avoslocker
http://avos2fuj6olp6x36.onion
http://avos53nnmi4u6amh.onion/
Signatures
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Avoslocker Ransomware
Avoslocker is a relatively new ransomware, that was observed in late June and early July, 2021.
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Modifies extensions of user files 7 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\ResumeConnect.png => C:\Users\Admin\Pictures\ResumeConnect.png.avos 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe File renamed C:\Users\Admin\Pictures\SuspendLock.tif => C:\Users\Admin\Pictures\SuspendLock.tif.avos 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe File renamed C:\Users\Admin\Pictures\DebugExpand.raw => C:\Users\Admin\Pictures\DebugExpand.raw.avos 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe File renamed C:\Users\Admin\Pictures\InstallFind.raw => C:\Users\Admin\Pictures\InstallFind.raw.avos 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe File opened for modification C:\Users\Admin\Pictures\ProtectRequest.tiff 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe File renamed C:\Users\Admin\Pictures\ProtectRequest.tiff => C:\Users\Admin\Pictures\ProtectRequest.tiff.avos 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe File renamed C:\Users\Admin\Pictures\RegisterUpdate.raw => C:\Users\Admin\Pictures\RegisterUpdate.raw.avos 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe 748 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe"C:\Users\Admin\AppData\Local\Temp\43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe"1⤵
- Modifies extensions of user files
- Suspicious behavior: EnumeratesProcesses
PID:748