Analysis
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max time kernel
164s -
max time network
137s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
11-02-2022 06:44
Static task
static1
Behavioral task
behavioral1
Sample
871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
Resource
win10v2004-en-20220113
General
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Target
871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
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Size
54KB
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MD5
1ffd803df706125bdda816386622f37e
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SHA1
235de6db0cbddc51c0c6e3c173bfbe00d6988154
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SHA256
871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449
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SHA512
04e6aee646e8eb751c94985430b2892b5c9948153d0c87aaf5de3b85f7c4c4a1ddc76b1fd6a3f19efaec55d6f5b8dcff77379502f8f84fc37271e1ea2e8479eb
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 10 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File opened for modification C:\Users\Admin\Pictures\DisableCompress.tiff 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File renamed C:\Users\Admin\Pictures\DisableCompress.tiff => C:\Users\Admin\Pictures\DisableCompress.tiff.FREEMAN 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File renamed C:\Users\Admin\Pictures\EnterSwitch.tiff => C:\Users\Admin\Pictures\EnterSwitch.tiff.FREEMAN 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File renamed C:\Users\Admin\Pictures\LockSelect.tif => C:\Users\Admin\Pictures\LockSelect.tif.FREEMAN 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File renamed C:\Users\Admin\Pictures\MeasureUnlock.tif => C:\Users\Admin\Pictures\MeasureUnlock.tif.FREEMAN 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File opened for modification C:\Users\Admin\Pictures\EnterSwitch.tiff 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File renamed C:\Users\Admin\Pictures\InvokeStart.tif => C:\Users\Admin\Pictures\InvokeStart.tif.FREEMAN 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File renamed C:\Users\Admin\Pictures\SuspendTest.crw => C:\Users\Admin\Pictures\SuspendTest.crw.FREEMAN 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File renamed C:\Users\Admin\Pictures\TraceSearch.tif => C:\Users\Admin\Pictures\TraceSearch.tif.FREEMAN 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File renamed C:\Users\Admin\Pictures\UndoUnlock.tif => C:\Users\Admin\Pictures\UndoUnlock.tif.FREEMAN 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.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 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.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\\871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe" 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe -
Drops desktop.ini file(s) 24 IoCs
description ioc Process File opened for modification C:\Users\Public\Downloads\desktop.ini 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File opened for modification C:\Users\Public\desktop.ini 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File opened for modification C:\Users\Public\Videos\desktop.ini 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File opened for modification C:\Users\Public\Pictures\desktop.ini 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File opened for modification C:\Users\Admin\Music\desktop.ini 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File opened for modification C:\Users\Admin\Links\desktop.ini 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File opened for modification C:\Users\Admin\Favorites\Links for United States\desktop.ini 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File opened for modification C:\Users\Public\Recorded TV\Sample Media\desktop.ini 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File opened for modification C:\Users\Public\Music\desktop.ini 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File opened for modification C:\Users\Public\Documents\desktop.ini 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File opened for modification C:\Users\Admin\Videos\desktop.ini 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File opened for modification C:\Users\Public\Videos\Sample Videos\desktop.ini 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File opened for modification C:\Users\Public\Recorded TV\desktop.ini 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File opened for modification C:\Users\Public\Music\Sample Music\desktop.ini 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File opened for modification C:\Users\Admin\Searches\desktop.ini 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File opened for modification C:\Users\Admin\Documents\desktop.ini 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File opened for modification C:\Users\Public\Pictures\Sample Pictures\desktop.ini 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File opened for modification C:\Users\Public\Libraries\desktop.ini 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe File opened for modification C:\Users\Public\Desktop\desktop.ini 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe"C:\Users\Admin\AppData\Local\Temp\871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe"1⤵
- Modifies extensions of user files
- Adds Run key to start application
- Drops desktop.ini file(s)
PID:1156