Analysis
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max time kernel
185s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
11-02-2022 06:52
Static task
static1
Behavioral task
behavioral1
Sample
61aa6f87fbfa2ff363d759f5a93c34097cab6451b63f696c4a9facc24be64555.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
61aa6f87fbfa2ff363d759f5a93c34097cab6451b63f696c4a9facc24be64555.exe
Resource
win10v2004-en-20220113
General
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Target
61aa6f87fbfa2ff363d759f5a93c34097cab6451b63f696c4a9facc24be64555.exe
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Size
53KB
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MD5
18c0bbe2020986f0caebe8cab902c35a
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SHA1
999fe0fa4b1081f159583a2fdea1084d7b433399
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SHA256
61aa6f87fbfa2ff363d759f5a93c34097cab6451b63f696c4a9facc24be64555
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SHA512
72abddfa8722c5a1d87cfb7e8cb99916cb62d5ebd5886ff00a2ace601c6d6b057080668d006fc15f7ec72bccafd167e01df7d823921cd5e658946ededaefa032
Malware Config
Extracted
C:\[ ReStore 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 5 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\PublishStop.tif => C:\Users\Admin\Pictures\PublishStop.tif.pass 61aa6f87fbfa2ff363d759f5a93c34097cab6451b63f696c4a9facc24be64555.exe File renamed C:\Users\Admin\Pictures\BlockRedo.raw => C:\Users\Admin\Pictures\BlockRedo.raw.pass 61aa6f87fbfa2ff363d759f5a93c34097cab6451b63f696c4a9facc24be64555.exe File renamed C:\Users\Admin\Pictures\ClearSuspend.tif => C:\Users\Admin\Pictures\ClearSuspend.tif.pass 61aa6f87fbfa2ff363d759f5a93c34097cab6451b63f696c4a9facc24be64555.exe File renamed C:\Users\Admin\Pictures\DenyConnect.tif => C:\Users\Admin\Pictures\DenyConnect.tif.pass 61aa6f87fbfa2ff363d759f5a93c34097cab6451b63f696c4a9facc24be64555.exe File renamed C:\Users\Admin\Pictures\NewInstall.tif => C:\Users\Admin\Pictures\NewInstall.tif.pass 61aa6f87fbfa2ff363d759f5a93c34097cab6451b63f696c4a9facc24be64555.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\BrowserUpdateCheck = "C:\\Users\\Admin\\AppData\\Local\\61aa6f87fbfa2ff363d759f5a93c34097cab6451b63f696c4a9facc24be64555.exe" 61aa6f87fbfa2ff363d759f5a93c34097cab6451b63f696c4a9facc24be64555.exe Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce 61aa6f87fbfa2ff363d759f5a93c34097cab6451b63f696c4a9facc24be64555.exe -
Drops desktop.ini file(s) 13 IoCs
description ioc Process File opened for modification C:\Users\Public\desktop.ini 61aa6f87fbfa2ff363d759f5a93c34097cab6451b63f696c4a9facc24be64555.exe File opened for modification C:\Users\Public\Videos\desktop.ini 61aa6f87fbfa2ff363d759f5a93c34097cab6451b63f696c4a9facc24be64555.exe File opened for modification C:\Users\Public\Pictures\desktop.ini 61aa6f87fbfa2ff363d759f5a93c34097cab6451b63f696c4a9facc24be64555.exe File opened for modification C:\Users\Public\Music\desktop.ini 61aa6f87fbfa2ff363d759f5a93c34097cab6451b63f696c4a9facc24be64555.exe File opened for modification C:\Users\Public\Documents\desktop.ini 61aa6f87fbfa2ff363d759f5a93c34097cab6451b63f696c4a9facc24be64555.exe File opened for modification C:\Users\Public\Desktop\desktop.ini 61aa6f87fbfa2ff363d759f5a93c34097cab6451b63f696c4a9facc24be64555.exe File opened for modification C:\Users\Public\AccountPictures\desktop.ini 61aa6f87fbfa2ff363d759f5a93c34097cab6451b63f696c4a9facc24be64555.exe File opened for modification C:\Users\Admin\Videos\desktop.ini 61aa6f87fbfa2ff363d759f5a93c34097cab6451b63f696c4a9facc24be64555.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini 61aa6f87fbfa2ff363d759f5a93c34097cab6451b63f696c4a9facc24be64555.exe File opened for modification C:\Users\Public\Libraries\desktop.ini 61aa6f87fbfa2ff363d759f5a93c34097cab6451b63f696c4a9facc24be64555.exe File opened for modification C:\Users\Public\Downloads\desktop.ini 61aa6f87fbfa2ff363d759f5a93c34097cab6451b63f696c4a9facc24be64555.exe File opened for modification C:\Users\Admin\Searches\desktop.ini 61aa6f87fbfa2ff363d759f5a93c34097cab6451b63f696c4a9facc24be64555.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini 61aa6f87fbfa2ff363d759f5a93c34097cab6451b63f696c4a9facc24be64555.exe -
Drops file in Windows directory 7 IoCs
description ioc Process 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 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 -
Suspicious use of AdjustPrivilegeToken 9 IoCs
description pid Process Token: SeShutdownPrivilege 4948 svchost.exe Token: SeCreatePagefilePrivilege 4948 svchost.exe Token: SeShutdownPrivilege 4948 svchost.exe Token: SeCreatePagefilePrivilege 4948 svchost.exe Token: SeShutdownPrivilege 4948 svchost.exe Token: SeCreatePagefilePrivilege 4948 svchost.exe Token: SeSecurityPrivilege 1728 TiWorker.exe Token: SeRestorePrivilege 1728 TiWorker.exe Token: SeBackupPrivilege 1728 TiWorker.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\61aa6f87fbfa2ff363d759f5a93c34097cab6451b63f696c4a9facc24be64555.exe"C:\Users\Admin\AppData\Local\Temp\61aa6f87fbfa2ff363d759f5a93c34097cab6451b63f696c4a9facc24be64555.exe"1⤵
- Modifies extensions of user files
- Adds Run key to start application
- Drops desktop.ini file(s)
PID:3256
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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:4948
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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:1728