Analysis
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max time kernel
192s -
max time network
209s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
11/02/2022, 06:23
Static task
static1
Behavioral task
behavioral1
Sample
f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9.exe
Resource
win10v2004-en-20220112
General
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Target
f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9.exe
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Size
55KB
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MD5
b3000834ad97ab35ae29b881a92b4495
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SHA1
d5d63331e8b118acede2cad9e3618e64c3bd8e28
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SHA256
f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9
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SHA512
d3045b0163e9a13d82043e226353b30d4639585492c6740c79c65d45f406cc6c731c8fc874b7c86564a7ff0b19459b2fe0a4ac8125ccb50ed3af90726b06f45f
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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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 f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9.exe Set value (str) \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\BrowserUpdateCheck = "C:\\Users\\Admin\\AppData\\Roaming\\f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9.exe" f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9.exe -
Drops desktop.ini file(s) 9 IoCs
description ioc Process File opened for modification C:\Users\Public\Documents\desktop.ini f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9.exe File opened for modification C:\Users\Public\Desktop\desktop.ini f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9.exe File opened for modification C:\Users\Public\AccountPictures\desktop.ini f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9.exe File opened for modification C:\Users\Public\desktop.ini f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9.exe File opened for modification C:\Users\Public\Videos\desktop.ini f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9.exe File opened for modification C:\Users\Public\Pictures\desktop.ini f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9.exe File opened for modification C:\Users\Public\Music\desktop.ini f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9.exe File opened for modification C:\Users\Public\Downloads\desktop.ini f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9.exe File opened for modification C:\Users\Public\Libraries\desktop.ini f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9.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\DownloadMonthlyCacheHostBytes = "0" 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\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4116" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config 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\MonthID = "2" 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\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "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\Config\KVFileExpirationTime = "132892107448308617" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization 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\Config\DODownloadMode = "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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyRateBkCnt = "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\InternetConnectionCount = "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\DownloadMonthlyCdnBytes = "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\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.368633" 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\UploadMonthlyInternetBytes = "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\DownloadMonthlyGroupBytes = "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\CDNConnectionCount = "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\DownloadMonthlyInternetBytes = "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\CacheSizeBytes = "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\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" svchost.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3424 f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9.exe 3424 f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9.exe"C:\Users\Admin\AppData\Local\Temp\f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9.exe"1⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
- Suspicious behavior: EnumeratesProcesses
PID:3424
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:612