Analysis
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max time kernel
173s -
max time network
142s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
11-02-2022 07:03
Static task
static1
Behavioral task
behavioral1
Sample
38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe
Resource
win10v2004-en-20220112
General
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Target
38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe
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Size
54KB
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MD5
42d81100b5441709ea07d1507a0a4530
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SHA1
6b1010d98e52254ce50beaa850e5c8b082e20b1b
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SHA256
38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1
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SHA512
7e2d6a653cf57134fffd500580d67261cacbff858b833c16387296f2b6ad58c624fbc5849eaeca3920294af93de17edbcbd6baf4dc92a28a5ec6b9167d2890d0
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 8 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\SkipRename.tiff => C:\Users\Admin\Pictures\SkipRename.tiff.GOTHAM1 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File renamed C:\Users\Admin\Pictures\UnpublishAssert.png => C:\Users\Admin\Pictures\UnpublishAssert.png.GOTHAM1 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File renamed C:\Users\Admin\Pictures\BlockUnblock.tif => C:\Users\Admin\Pictures\BlockUnblock.tif.GOTHAM1 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File renamed C:\Users\Admin\Pictures\MoveResume.crw => C:\Users\Admin\Pictures\MoveResume.crw.GOTHAM1 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File renamed C:\Users\Admin\Pictures\PublishBackup.crw => C:\Users\Admin\Pictures\PublishBackup.crw.GOTHAM1 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File renamed C:\Users\Admin\Pictures\RemoveTrace.png => C:\Users\Admin\Pictures\RemoveTrace.png.GOTHAM1 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File renamed C:\Users\Admin\Pictures\ResetConnect.crw => C:\Users\Admin\Pictures\ResetConnect.crw.GOTHAM1 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File opened for modification C:\Users\Admin\Pictures\SkipRename.tiff 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\BrowserUpdateCheck = "C:\\Users\\Admin\\AppData\\Local\\38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe" 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe Key created \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe -
Drops desktop.ini file(s) 26 IoCs
description ioc Process File opened for modification C:\Users\Public\Videos\desktop.ini 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File opened for modification C:\Users\Public\Videos\Sample Videos\desktop.ini 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File opened for modification C:\Users\Public\Recorded TV\desktop.ini 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File opened for modification C:\Users\Public\Pictures\Sample Pictures\desktop.ini 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File opened for modification C:\Users\Public\Libraries\desktop.ini 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File opened for modification C:\Users\Public\Music\Sample Music\desktop.ini 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File opened for modification C:\Users\Admin\Searches\desktop.ini 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File opened for modification C:\Users\Admin\Documents\desktop.ini 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File opened for modification C:\Users\Public\desktop.ini 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File opened for modification C:\Users\Public\Recorded TV\Sample Media\desktop.ini 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File opened for modification C:\Users\Public\Music\desktop.ini 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File opened for modification C:\Users\Public\Downloads\desktop.ini 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File opened for modification C:\Users\Public\Documents\desktop.ini 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File opened for modification C:\Users\Admin\Music\desktop.ini 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File opened for modification C:\Users\Public\Pictures\desktop.ini 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File opened for modification C:\Users\Public\Desktop\desktop.ini 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File opened for modification C:\Users\Admin\Videos\desktop.ini 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File opened for modification C:\Users\Admin\Links\desktop.ini 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe File opened for modification C:\Users\Admin\Favorites\Links for United States\desktop.ini 38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe"C:\Users\Admin\AppData\Local\Temp\38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe"1⤵
- Modifies extensions of user files
- Adds Run key to start application
- Drops desktop.ini file(s)
PID:1556