Analysis
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max time kernel
167s -
max time network
171s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
11-02-2022 06:26
Static task
static1
Behavioral task
behavioral1
Sample
e383f4f77e63c29c1f029de11548832ba03479040a1f52b050f54b8d65f60d62.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
e383f4f77e63c29c1f029de11548832ba03479040a1f52b050f54b8d65f60d62.exe
Resource
win10v2004-en-20220113
General
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Target
e383f4f77e63c29c1f029de11548832ba03479040a1f52b050f54b8d65f60d62.exe
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Size
53KB
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MD5
93bbb021a0078acee8b79da51377d2ed
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SHA1
829b217f4be64299ed13f43c620f0fcdd25c83a3
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SHA256
e383f4f77e63c29c1f029de11548832ba03479040a1f52b050f54b8d65f60d62
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SHA512
4ac4728d502f5816bda11297a0426092dd9c9a9623783c4c21a98315929eb090b27ee060298e600d42118130bd070cfb7858eb629fec41de7109b2e6dad648a1
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 5 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\SaveExpand.png => C:\Users\Admin\Pictures\SaveExpand.png.marlock09 e383f4f77e63c29c1f029de11548832ba03479040a1f52b050f54b8d65f60d62.exe File renamed C:\Users\Admin\Pictures\UnblockSkip.raw => C:\Users\Admin\Pictures\UnblockSkip.raw.marlock09 e383f4f77e63c29c1f029de11548832ba03479040a1f52b050f54b8d65f60d62.exe File renamed C:\Users\Admin\Pictures\CompareGroup.png => C:\Users\Admin\Pictures\CompareGroup.png.marlock09 e383f4f77e63c29c1f029de11548832ba03479040a1f52b050f54b8d65f60d62.exe File renamed C:\Users\Admin\Pictures\ConfirmUnpublish.tif => C:\Users\Admin\Pictures\ConfirmUnpublish.tif.marlock09 e383f4f77e63c29c1f029de11548832ba03479040a1f52b050f54b8d65f60d62.exe File renamed C:\Users\Admin\Pictures\ConvertToSwitch.raw => C:\Users\Admin\Pictures\ConvertToSwitch.raw.marlock09 e383f4f77e63c29c1f029de11548832ba03479040a1f52b050f54b8d65f60d62.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\\e383f4f77e63c29c1f029de11548832ba03479040a1f52b050f54b8d65f60d62.exe" e383f4f77e63c29c1f029de11548832ba03479040a1f52b050f54b8d65f60d62.exe Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce e383f4f77e63c29c1f029de11548832ba03479040a1f52b050f54b8d65f60d62.exe -
Drops file in Windows directory 8 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\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml 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 -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 3728 svchost.exe Token: SeCreatePagefilePrivilege 3728 svchost.exe Token: SeShutdownPrivilege 3728 svchost.exe Token: SeCreatePagefilePrivilege 3728 svchost.exe Token: SeShutdownPrivilege 3728 svchost.exe Token: SeCreatePagefilePrivilege 3728 svchost.exe Token: SeSecurityPrivilege 4616 TiWorker.exe Token: SeRestorePrivilege 4616 TiWorker.exe Token: SeBackupPrivilege 4616 TiWorker.exe Token: SeBackupPrivilege 4616 TiWorker.exe Token: SeRestorePrivilege 4616 TiWorker.exe Token: SeSecurityPrivilege 4616 TiWorker.exe Token: SeBackupPrivilege 4616 TiWorker.exe Token: SeRestorePrivilege 4616 TiWorker.exe Token: SeSecurityPrivilege 4616 TiWorker.exe Token: SeBackupPrivilege 4616 TiWorker.exe Token: SeRestorePrivilege 4616 TiWorker.exe Token: SeSecurityPrivilege 4616 TiWorker.exe Token: SeBackupPrivilege 4616 TiWorker.exe Token: SeRestorePrivilege 4616 TiWorker.exe Token: SeSecurityPrivilege 4616 TiWorker.exe Token: SeBackupPrivilege 4616 TiWorker.exe Token: SeRestorePrivilege 4616 TiWorker.exe Token: SeSecurityPrivilege 4616 TiWorker.exe Token: SeBackupPrivilege 4616 TiWorker.exe Token: SeRestorePrivilege 4616 TiWorker.exe Token: SeSecurityPrivilege 4616 TiWorker.exe Token: SeBackupPrivilege 4616 TiWorker.exe Token: SeRestorePrivilege 4616 TiWorker.exe Token: SeSecurityPrivilege 4616 TiWorker.exe Token: SeBackupPrivilege 4616 TiWorker.exe Token: SeRestorePrivilege 4616 TiWorker.exe Token: SeSecurityPrivilege 4616 TiWorker.exe Token: SeBackupPrivilege 4616 TiWorker.exe Token: SeRestorePrivilege 4616 TiWorker.exe Token: SeSecurityPrivilege 4616 TiWorker.exe Token: SeBackupPrivilege 4616 TiWorker.exe Token: SeRestorePrivilege 4616 TiWorker.exe Token: SeSecurityPrivilege 4616 TiWorker.exe Token: SeBackupPrivilege 4616 TiWorker.exe Token: SeRestorePrivilege 4616 TiWorker.exe Token: SeSecurityPrivilege 4616 TiWorker.exe Token: SeBackupPrivilege 4616 TiWorker.exe Token: SeRestorePrivilege 4616 TiWorker.exe Token: SeSecurityPrivilege 4616 TiWorker.exe Token: SeBackupPrivilege 4616 TiWorker.exe Token: SeRestorePrivilege 4616 TiWorker.exe Token: SeSecurityPrivilege 4616 TiWorker.exe Token: SeBackupPrivilege 4616 TiWorker.exe Token: SeRestorePrivilege 4616 TiWorker.exe Token: SeSecurityPrivilege 4616 TiWorker.exe Token: SeBackupPrivilege 4616 TiWorker.exe Token: SeRestorePrivilege 4616 TiWorker.exe Token: SeSecurityPrivilege 4616 TiWorker.exe Token: SeBackupPrivilege 4616 TiWorker.exe Token: SeRestorePrivilege 4616 TiWorker.exe Token: SeSecurityPrivilege 4616 TiWorker.exe Token: SeBackupPrivilege 4616 TiWorker.exe Token: SeRestorePrivilege 4616 TiWorker.exe Token: SeSecurityPrivilege 4616 TiWorker.exe Token: SeBackupPrivilege 4616 TiWorker.exe Token: SeRestorePrivilege 4616 TiWorker.exe Token: SeSecurityPrivilege 4616 TiWorker.exe Token: SeBackupPrivilege 4616 TiWorker.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e383f4f77e63c29c1f029de11548832ba03479040a1f52b050f54b8d65f60d62.exe"C:\Users\Admin\AppData\Local\Temp\e383f4f77e63c29c1f029de11548832ba03479040a1f52b050f54b8d65f60d62.exe"1⤵
- Modifies extensions of user files
- Adds Run key to start application
PID:764
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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:3728
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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:4616