Analysis
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max time kernel
159s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
24-07-2022 14:31
Static task
static1
Behavioral task
behavioral1
Sample
5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe
Resource
win7-20220718-en
Behavioral task
behavioral2
Sample
5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe
Resource
win10v2004-20220721-en
General
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Target
5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe
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Size
528KB
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MD5
22dce5b7daed8cfb14aa9e8e7eed1d2f
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SHA1
ad04ba678cdc09526804c6f2a6341b221c9ac73f
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SHA256
5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2
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SHA512
64cd8f6c65f31e8a6e7db7a9dbb892f36b553ccdf7f4327f06148fd93fc2e50228351b99318daf2512aa00d901791d1b3c997d291a17ade5eb2ffaf224069f09
Malware Config
Extracted
C:\Restore-My-Files.txt
http://decrmbgpvh6kvmti.onion/
http://helpinfh6vj47ift.onion/
Signatures
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GlobeImposter
GlobeImposter is a ransomware first seen in 2017.
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Lockbit
Ransomware family with multiple variants released since late 2019.
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Modifies extensions of user files 2 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\PushClose.raw => C:\Users\Admin\Pictures\PushClose.raw.DOCM 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe File renamed C:\Users\Admin\Pictures\WaitOpen.png => C:\Users\Admin\Pictures\WaitOpen.png.DOCM 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.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-1-5-21-1101907861-274115917-2188613224-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe Set value (str) \REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\BrowserUpdateCheck = "C:\\Users\\Admin\\AppData\\Local\\5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe" 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe -
Drops desktop.ini file(s) 24 IoCs
description ioc Process File opened for modification C:\Users\Public\AccountPictures\desktop.ini 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe File opened for modification C:\Users\Admin\Documents\desktop.ini 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe File opened for modification C:\Users\Public\Documents\desktop.ini 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe File opened for modification C:\Users\Public\Videos\desktop.ini 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe File opened for modification C:\Users\Public\Music\desktop.ini 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe File opened for modification C:\Users\Public\Libraries\desktop.ini 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe File opened for modification C:\Users\Public\Downloads\desktop.ini 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe File opened for modification C:\Users\Admin\Music\desktop.ini 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe File opened for modification C:\Users\Public\desktop.ini 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe File opened for modification C:\Users\Admin\Links\desktop.ini 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe File opened for modification C:\Users\Admin\Videos\desktop.ini 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe File opened for modification C:\Users\Admin\Searches\desktop.ini 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe File opened for modification C:\Users\Public\Desktop\desktop.ini 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe File opened for modification C:\Users\Public\Pictures\desktop.ini 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2312 set thread context of 3412 2312 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe 80 -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2312 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2312 wrote to memory of 3412 2312 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe 80 PID 2312 wrote to memory of 3412 2312 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe 80 PID 2312 wrote to memory of 3412 2312 5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe"C:\Users\Admin\AppData\Local\Temp\5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2312 -
C:\Users\Admin\AppData\Local\Temp\5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exeC:\Users\Admin\AppData\Local\Temp\5cd02ef954d51126f01144c77a353c9362accc62c56a0292e5bb29e0a58901b2.exe"2⤵
- Modifies extensions of user files
- Adds Run key to start application
- Drops desktop.ini file(s)
PID:3412
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