Analysis
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max time kernel
177s -
max time network
197s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
11-02-2022 06:27
Static task
static1
Behavioral task
behavioral1
Sample
de261738cfd2ad127ea3eaaa13c825abf2ac5a39a4f9fb5353e16d59c34659b4.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
de261738cfd2ad127ea3eaaa13c825abf2ac5a39a4f9fb5353e16d59c34659b4.exe
Resource
win10v2004-en-20220112
General
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Target
de261738cfd2ad127ea3eaaa13c825abf2ac5a39a4f9fb5353e16d59c34659b4.exe
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Size
29KB
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MD5
32fb0b4362cebd820e4de708e3a57571
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SHA1
6f2c303b073eadcfe04c2110cd08fb8581dfcb3c
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SHA256
de261738cfd2ad127ea3eaaa13c825abf2ac5a39a4f9fb5353e16d59c34659b4
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SHA512
6ec28e1de83d97ff5e2af3e19ff3d5caff9096cbad8780f778a0e8d84ebbf04cb8e8eed9f23b3053571f3003e6d710c06870797923a03c31ddba122c1cea763d
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\ClearStart.crw => C:\Users\Admin\Pictures\ClearStart.crw.lockis de261738cfd2ad127ea3eaaa13c825abf2ac5a39a4f9fb5353e16d59c34659b4.exe File renamed C:\Users\Admin\Pictures\GroupWatch.png => C:\Users\Admin\Pictures\GroupWatch.png.lockis de261738cfd2ad127ea3eaaa13c825abf2ac5a39a4f9fb5353e16d59c34659b4.exe File renamed C:\Users\Admin\Pictures\HideJoin.tif => C:\Users\Admin\Pictures\HideJoin.tif.lockis de261738cfd2ad127ea3eaaa13c825abf2ac5a39a4f9fb5353e16d59c34659b4.exe File renamed C:\Users\Admin\Pictures\JoinStart.crw => C:\Users\Admin\Pictures\JoinStart.crw.lockis de261738cfd2ad127ea3eaaa13c825abf2ac5a39a4f9fb5353e16d59c34659b4.exe File renamed C:\Users\Admin\Pictures\OpenCheckpoint.raw => C:\Users\Admin\Pictures\OpenCheckpoint.raw.lockis de261738cfd2ad127ea3eaaa13c825abf2ac5a39a4f9fb5353e16d59c34659b4.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce de261738cfd2ad127ea3eaaa13c825abf2ac5a39a4f9fb5353e16d59c34659b4.exe Set value (str) \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\BrowserUpdateCheck = "C:\\Users\\Admin\\AppData\\Local\\de261738cfd2ad127ea3eaaa13c825abf2ac5a39a4f9fb5353e16d59c34659b4.exe" de261738cfd2ad127ea3eaaa13c825abf2ac5a39a4f9fb5353e16d59c34659b4.exe -
Drops desktop.ini file(s) 13 IoCs
description ioc Process File opened for modification C:\Users\Admin\Saved Games\desktop.ini de261738cfd2ad127ea3eaaa13c825abf2ac5a39a4f9fb5353e16d59c34659b4.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini de261738cfd2ad127ea3eaaa13c825abf2ac5a39a4f9fb5353e16d59c34659b4.exe File opened for modification C:\Users\Public\desktop.ini de261738cfd2ad127ea3eaaa13c825abf2ac5a39a4f9fb5353e16d59c34659b4.exe File opened for modification C:\Users\Public\Videos\desktop.ini de261738cfd2ad127ea3eaaa13c825abf2ac5a39a4f9fb5353e16d59c34659b4.exe File opened for modification C:\Users\Public\Libraries\desktop.ini de261738cfd2ad127ea3eaaa13c825abf2ac5a39a4f9fb5353e16d59c34659b4.exe File opened for modification C:\Users\Public\Desktop\desktop.ini de261738cfd2ad127ea3eaaa13c825abf2ac5a39a4f9fb5353e16d59c34659b4.exe File opened for modification C:\Users\Admin\Videos\desktop.ini de261738cfd2ad127ea3eaaa13c825abf2ac5a39a4f9fb5353e16d59c34659b4.exe File opened for modification C:\Users\Admin\Searches\desktop.ini de261738cfd2ad127ea3eaaa13c825abf2ac5a39a4f9fb5353e16d59c34659b4.exe File opened for modification C:\Users\Public\Pictures\desktop.ini de261738cfd2ad127ea3eaaa13c825abf2ac5a39a4f9fb5353e16d59c34659b4.exe File opened for modification C:\Users\Public\Music\desktop.ini de261738cfd2ad127ea3eaaa13c825abf2ac5a39a4f9fb5353e16d59c34659b4.exe File opened for modification C:\Users\Public\Downloads\desktop.ini de261738cfd2ad127ea3eaaa13c825abf2ac5a39a4f9fb5353e16d59c34659b4.exe File opened for modification C:\Users\Public\Documents\desktop.ini de261738cfd2ad127ea3eaaa13c825abf2ac5a39a4f9fb5353e16d59c34659b4.exe File opened for modification C:\Users\Public\AccountPictures\desktop.ini de261738cfd2ad127ea3eaaa13c825abf2ac5a39a4f9fb5353e16d59c34659b4.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\de261738cfd2ad127ea3eaaa13c825abf2ac5a39a4f9fb5353e16d59c34659b4.exe"C:\Users\Admin\AppData\Local\Temp\de261738cfd2ad127ea3eaaa13c825abf2ac5a39a4f9fb5353e16d59c34659b4.exe"1⤵
- Modifies extensions of user files
- Adds Run key to start application
- Drops desktop.ini file(s)
PID:2908
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k wusvcs -p1⤵PID:364
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:4060