Analysis
-
max time kernel
211s -
max time network
236s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
11-02-2022 06:38
Static task
static1
Behavioral task
behavioral1
Sample
ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe
Resource
win10v2004-en-20220112
General
-
Target
ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe
-
Size
53KB
-
MD5
a99f734ccef35ec285d29c0bf7e9fd70
-
SHA1
51c7920c68af79cfd1c53d7eaf1f9e9c14d7b156
-
SHA256
ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853
-
SHA512
9833de3cc3e8dff2c8802f67db46d2b9cd1488313563517f2813b10cb872fc238ad93582fb796b6442cf48f040049d763a6795984ffa49246e5f184ea1eab6f6
Malware Config
Extracted
C:\how_to_back_files.html
Signatures
-
GlobeImposter
GlobeImposter is a ransomware first seen in 2017.
-
Modifies extensions of user files 5 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\MountExit.raw => C:\Users\Admin\Pictures\MountExit.raw.recovery ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe File renamed C:\Users\Admin\Pictures\ReceiveExport.png => C:\Users\Admin\Pictures\ReceiveExport.png.recovery ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe File renamed C:\Users\Admin\Pictures\SplitLock.raw => C:\Users\Admin\Pictures\SplitLock.raw.recovery ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe File renamed C:\Users\Admin\Pictures\UninstallRestore.raw => C:\Users\Admin\Pictures\UninstallRestore.raw.recovery ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe File renamed C:\Users\Admin\Pictures\UseProtect.raw => C:\Users\Admin\Pictures\UseProtect.raw.recovery ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.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 ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.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\\ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe" ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe -
Drops desktop.ini file(s) 17 IoCs
description ioc Process File opened for modification C:\Users\Public\Pictures\desktop.ini ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe File opened for modification C:\Users\Public\Downloads\desktop.ini ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe File opened for modification C:\Users\Public\Documents\desktop.ini ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe File opened for modification C:\Users\Admin\Searches\desktop.ini ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe File opened for modification C:\Users\Public\Videos\desktop.ini ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe File opened for modification C:\Users\Public\Libraries\desktop.ini ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe File opened for modification C:\Users\Public\desktop.ini ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe File opened for modification C:\Users\Public\AccountPictures\desktop.ini ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe File opened for modification C:\Users\Public\Desktop\desktop.ini ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe File opened for modification C:\Users\Admin\Videos\desktop.ini ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe File opened for modification C:\Users\Admin\Music\desktop.ini ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe File opened for modification C:\Users\Public\Music\desktop.ini ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.exe -
Modifies data under HKEY_USERS 45 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892117945653883" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4052" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.727266" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0" svchost.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe"C:\Users\Admin\AppData\Local\Temp\ac2934e281784bb3bd0e40bd82e1a2427134f6391d95cd4222a0db05aa31e853.exe"1⤵
- Modifies extensions of user files
- Adds Run key to start application
- Drops desktop.ini file(s)
PID:3856
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:2136