Analysis
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max time kernel
159s -
max time network
185s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
11-02-2022 06:34
Static task
static1
Behavioral task
behavioral1
Sample
beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe
Resource
win10v2004-en-20220113
General
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Target
beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe
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Size
91KB
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MD5
ad30a25bb604ba3d3c69f3c2bdfa45a8
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SHA1
477aa0764c93e72536375b152713c50a05994631
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SHA256
beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a
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SHA512
7fbd151ea6e926d2b80b1844c7fdc7d73c8e350756ef0c21f933939ac7083ce0cc3d10ad63bd632dc21ddfb707b30821b808a7f1c4b80e94e3273303ca647f2a
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 9 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\DisconnectUnpublish.raw => C:\Users\Admin\Pictures\DisconnectUnpublish.raw.xxx beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe File renamed C:\Users\Admin\Pictures\EditSend.png => C:\Users\Admin\Pictures\EditSend.png.xxx beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe File renamed C:\Users\Admin\Pictures\ExitStart.crw => C:\Users\Admin\Pictures\ExitStart.crw.xxx beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe File renamed C:\Users\Admin\Pictures\InvokeCompare.raw => C:\Users\Admin\Pictures\InvokeCompare.raw.xxx beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe File renamed C:\Users\Admin\Pictures\SplitConvertFrom.raw => C:\Users\Admin\Pictures\SplitConvertFrom.raw.xxx beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe File renamed C:\Users\Admin\Pictures\WatchRegister.tif => C:\Users\Admin\Pictures\WatchRegister.tif.xxx beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe File renamed C:\Users\Admin\Pictures\LimitUnregister.raw => C:\Users\Admin\Pictures\LimitUnregister.raw.xxx beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe File opened for modification C:\Users\Admin\Pictures\SendProtect.tiff beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe File renamed C:\Users\Admin\Pictures\SendProtect.tiff => C:\Users\Admin\Pictures\SendProtect.tiff.xxx beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe -
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 beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe Set value (str) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\BrowserUpdateCheck = "C:\\Users\\Admin\\AppData\\Local\\beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe" beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe -
Drops desktop.ini file(s) 16 IoCs
description ioc Process File opened for modification C:\Users\Public\desktop.ini beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe File opened for modification C:\Users\Public\Videos\desktop.ini beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe File opened for modification C:\Users\Public\Pictures\desktop.ini beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe File opened for modification C:\Users\Public\Desktop\desktop.ini beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe File opened for modification C:\Users\Public\Documents\desktop.ini beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe File opened for modification C:\Users\Admin\Searches\desktop.ini beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe File opened for modification C:\Users\Public\AccountPictures\desktop.ini beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe File opened for modification C:\Users\Admin\Videos\desktop.ini beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe File opened for modification C:\Users\Admin\Music\desktop.ini beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe File opened for modification C:\Users\Public\Music\desktop.ini beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe File opened for modification C:\Users\Public\Libraries\desktop.ini beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe File opened for modification C:\Users\Public\Downloads\desktop.ini beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe -
Drops file in Windows directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log svchost.exe 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\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WindowsUpdate.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe -
Suspicious use of AdjustPrivilegeToken 9 IoCs
description pid Process Token: SeShutdownPrivilege 3560 svchost.exe Token: SeCreatePagefilePrivilege 3560 svchost.exe Token: SeShutdownPrivilege 3560 svchost.exe Token: SeCreatePagefilePrivilege 3560 svchost.exe Token: SeShutdownPrivilege 3560 svchost.exe Token: SeCreatePagefilePrivilege 3560 svchost.exe Token: SeSecurityPrivilege 1776 TiWorker.exe Token: SeRestorePrivilege 1776 TiWorker.exe Token: SeBackupPrivilege 1776 TiWorker.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe"C:\Users\Admin\AppData\Local\Temp\beba7e07109f5f486ccc9c9126a481860d6b207a43d0734bafde3f90400dde5a.exe"1⤵
- Modifies extensions of user files
- Adds Run key to start application
- Drops desktop.ini file(s)
PID:2504
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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:3560
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C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1776