Analysis
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max time kernel
162s -
max time network
176s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
11-02-2022 06:47
Static task
static1
Behavioral task
behavioral1
Sample
77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe
Resource
win10v2004-en-20220112
General
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Target
77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe
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Size
32KB
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MD5
59289b9c44d847681871e898c3509a36
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SHA1
a86159a6c1212dd59b9a4c05b610072af87b2fe9
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SHA256
77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6
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SHA512
ee81bfc93bcecb04e3511da6fe3700adc28c6269076c076dc8d73fdd2fa2f7ba5d3d0d050e8b5c032b81218bf2e0e3947caf8032d24a5f34efd837bc0a12080d
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 4 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\DismountBlock.raw => C:\Users\Admin\Pictures\DismountBlock.raw.SKUNK 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe File renamed C:\Users\Admin\Pictures\HideClear.crw => C:\Users\Admin\Pictures\HideClear.crw.SKUNK 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe File renamed C:\Users\Admin\Pictures\MountConvertTo.png => C:\Users\Admin\Pictures\MountConvertTo.png.SKUNK 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe File renamed C:\Users\Admin\Pictures\RemoveSkip.crw => C:\Users\Admin\Pictures\RemoveSkip.crw.SKUNK 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\BrowserUpdateCheck = "C:\\Users\\Admin\\AppData\\Roaming\\77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe" 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe Key created \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe -
Drops desktop.ini file(s) 24 IoCs
description ioc Process File opened for modification C:\Users\Public\Videos\desktop.ini 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe File opened for modification C:\Users\Public\Downloads\desktop.ini 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe File opened for modification C:\Users\Public\Documents\desktop.ini 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe File opened for modification C:\Users\Public\Desktop\desktop.ini 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe File opened for modification C:\Users\Admin\Music\desktop.ini 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe File opened for modification C:\Users\Public\Libraries\desktop.ini 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe File opened for modification C:\Users\Public\AccountPictures\desktop.ini 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe File opened for modification C:\Users\Admin\Searches\desktop.ini 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe File opened for modification C:\Users\Public\desktop.ini 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe File opened for modification C:\Users\Public\Pictures\desktop.ini 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe File opened for modification C:\Users\Public\Music\desktop.ini 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe File opened for modification C:\Users\Admin\Documents\desktop.ini 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe File opened for modification C:\Users\Admin\Videos\desktop.ini 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe File opened for modification C:\Users\Admin\Links\desktop.ini 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3940 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe 3940 77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe"C:\Users\Admin\AppData\Local\Temp\77368a573a027a78e37f53a4a06770968abc77cfe96875789682effbab2968e6.exe"1⤵
- Modifies extensions of user files
- Adds Run key to start application
- Drops desktop.ini file(s)
- Suspicious behavior: EnumeratesProcesses
PID:3940
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵PID:1252