Analysis
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max time kernel
154s -
max time network
180s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
11-02-2022 06:58
Static task
static1
Behavioral task
behavioral1
Sample
4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe
Resource
win10v2004-en-20220113
General
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Target
4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe
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Size
55KB
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MD5
f191cec3e5b88c82e95915eba4458689
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SHA1
0a21e393fa24c428d2c9f987fe3d9e6b0eddea5b
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SHA256
4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5
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SHA512
568b5cc2de28b0c2639a5d2ea5ac6052d743f65281ae6bbf02108d4e7226c54533a1b2ce9ab3cf7357356314cb3ac5bd5ea28c5fca9e10f3d56829e9382f436a
Malware Config
Extracted
C:\HOW_TO_BACK_FILES.html
http-equiv="Content-Type"
Signatures
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GlobeImposter
GlobeImposter is a ransomware first seen in 2017.
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Modifies extensions of user files 13 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\SubmitExport.tif => C:\Users\Admin\Pictures\SubmitExport.tif.XXXXX 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File renamed C:\Users\Admin\Pictures\CompareReceive.crw => C:\Users\Admin\Pictures\CompareReceive.crw.XXXXX 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File renamed C:\Users\Admin\Pictures\CompleteClose.tif => C:\Users\Admin\Pictures\CompleteClose.tif.XXXXX 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File opened for modification C:\Users\Admin\Pictures\ConvertFromRevoke.tiff 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File renamed C:\Users\Admin\Pictures\ConvertFromRevoke.tiff => C:\Users\Admin\Pictures\ConvertFromRevoke.tiff.XXXXX 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File renamed C:\Users\Admin\Pictures\RemoveConfirm.raw => C:\Users\Admin\Pictures\RemoveConfirm.raw.XXXXX 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File opened for modification C:\Users\Admin\Pictures\RevokeStop.tiff 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File renamed C:\Users\Admin\Pictures\RevokeStop.tiff => C:\Users\Admin\Pictures\RevokeStop.tiff.XXXXX 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File opened for modification C:\Users\Admin\Pictures\SuspendMeasure.tiff 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File renamed C:\Users\Admin\Pictures\SuspendMeasure.tiff => C:\Users\Admin\Pictures\SuspendMeasure.tiff.XXXXX 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File renamed C:\Users\Admin\Pictures\SuspendSelect.tif => C:\Users\Admin\Pictures\SuspendSelect.tif.XXXXX 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File renamed C:\Users\Admin\Pictures\CompleteExport.raw => C:\Users\Admin\Pictures\CompleteExport.raw.XXXXX 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File renamed C:\Users\Admin\Pictures\SyncUpdate.tif => C:\Users\Admin\Pictures\SyncUpdate.tif.XXXXX 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.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 Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe Set value (str) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\BrowserUpdateCheck = "C:\\Users\\Admin\\AppData\\Roaming\\4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe" 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe -
Drops desktop.ini file(s) 23 IoCs
description ioc Process File opened for modification C:\Users\Admin\Favorites\desktop.ini 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File opened for modification C:\Users\Public\Videos\desktop.ini 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File opened for modification C:\Users\Public\Documents\desktop.ini 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File opened for modification C:\Users\Admin\Searches\desktop.ini 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File opened for modification C:\Users\Admin\Music\desktop.ini 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File opened for modification C:\Users\Public\Downloads\desktop.ini 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File opened for modification C:\Users\Admin\Documents\desktop.ini 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File opened for modification C:\Users\Public\Libraries\desktop.ini 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File opened for modification C:\Users\Public\Desktop\desktop.ini 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File opened for modification C:\Users\Public\AccountPictures\desktop.ini 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File opened for modification C:\Users\Admin\Links\desktop.ini 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File opened for modification C:\Users\Public\desktop.ini 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File opened for modification C:\Users\Public\Pictures\desktop.ini 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File opened for modification C:\Users\Public\Music\desktop.ini 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File opened for modification C:\Users\Admin\Videos\desktop.ini 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe -
Drops file in Windows directory 6 IoCs
description ioc Process File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm svchost.exe File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log svchost.exe File opened for modification C:\Windows\WindowsUpdate.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log svchost.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4220 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe 4220 4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeShutdownPrivilege 4436 svchost.exe Token: SeCreatePagefilePrivilege 4436 svchost.exe Token: SeShutdownPrivilege 4436 svchost.exe Token: SeCreatePagefilePrivilege 4436 svchost.exe Token: SeShutdownPrivilege 4436 svchost.exe Token: SeCreatePagefilePrivilege 4436 svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe"C:\Users\Admin\AppData\Local\Temp\4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe"1⤵
- Modifies extensions of user files
- Adds Run key to start application
- Drops desktop.ini file(s)
- Suspicious behavior: EnumeratesProcesses
PID:4220
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4436