Analysis
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max time kernel
168s -
max time network
140s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
11-02-2022 06:36
Static task
static1
Behavioral task
behavioral1
Sample
b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe
Resource
win10v2004-en-20220113
General
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Target
b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe
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Size
53KB
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MD5
4d9f47ef1d60ed6be978869034c85b7a
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SHA1
46408fe3437ffc49139cfc046db9f1b941965658
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SHA256
b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e
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SHA512
8a40e4fa485d27a427cb00e32f9632f688384ed514c3a5d64d6fe05fa67ed090a4996cef21a050264b27a7cdabc0d28fd781b931e54cbe906484d5d7b766eff1
Malware Config
Extracted
C:\how_to_back_files.html
Signatures
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GlobeImposter
GlobeImposter is a ransomware first seen in 2017.
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Modifies extensions of user files 4 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\ResumeApprove.png => C:\Users\Admin\Pictures\ResumeApprove.png.mxlock b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe File renamed C:\Users\Admin\Pictures\ResumeDisable.png => C:\Users\Admin\Pictures\ResumeDisable.png.mxlock b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe File renamed C:\Users\Admin\Pictures\SaveSplit.png => C:\Users\Admin\Pictures\SaveSplit.png.mxlock b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe File renamed C:\Users\Admin\Pictures\SkipDeny.crw => C:\Users\Admin\Pictures\SkipDeny.crw.mxlock b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe Set value (str) \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\BrowserUpdateCheck = "C:\\Users\\Admin\\AppData\\Local\\b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe" b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe -
Drops desktop.ini file(s) 25 IoCs
description ioc Process File opened for modification C:\Users\Public\Videos\Sample Videos\desktop.ini b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe File opened for modification C:\Users\Public\Recorded TV\desktop.ini b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe File opened for modification C:\Users\Public\Downloads\desktop.ini b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe File opened for modification C:\Users\Admin\Music\desktop.ini b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe File opened for modification C:\Users\Admin\Links\desktop.ini b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe File opened for modification C:\Users\Public\Music\desktop.ini b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe File opened for modification C:\Users\Public\Libraries\desktop.ini b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe File opened for modification C:\Users\Public\Documents\desktop.ini b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe File opened for modification C:\Users\Public\Desktop\desktop.ini b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe File opened for modification C:\Users\Admin\Videos\desktop.ini b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe File opened for modification C:\Users\Admin\Searches\desktop.ini b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe File opened for modification C:\Users\Public\Videos\desktop.ini b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe File opened for modification C:\Users\Public\Recorded TV\Sample Media\desktop.ini b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe File opened for modification C:\Users\Public\Pictures\desktop.ini b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe File opened for modification C:\Users\Public\Pictures\Sample Pictures\desktop.ini b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe File opened for modification C:\Users\Public\Music\Sample Music\desktop.ini b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe File opened for modification C:\Users\Public\desktop.ini b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe File opened for modification C:\Users\Admin\Favorites\Links for United States\desktop.ini b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe File opened for modification C:\Users\Admin\Documents\desktop.ini b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe"C:\Users\Admin\AppData\Local\Temp\b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe"1⤵
- Modifies extensions of user files
- Adds Run key to start application
- Drops desktop.ini file(s)
PID:1620