Analysis
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max time kernel
143s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
16-02-2024 07:11
Static task
static1
Behavioral task
behavioral1
Sample
f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe
Resource
win10v2004-20231215-en
General
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Target
f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe
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Size
862KB
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MD5
af9ff037caca1f316e7d05db86dbd882
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SHA1
844e9b219aaecb26de4994a259f822500fb75ae1
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SHA256
f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae
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SHA512
e3cc5ca9fa5c4f23dd97389f86af276798ae4db4a68d38812fce25549e7f18e41d2bfc9fa72d3110a54ac88038cb27d3210bd099c6c3975befe5b36a569cd494
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SSDEEP
24576:DxAf2NuubB6RWspgjuwu7pl4Ha+UmxJH+Q1F:dAfSrWW4g+7Ht+UmxJeW
Malware Config
Extracted
C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\Restore-My-Files.txt
http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion
https://bigblog.at
http://lockbitsup4yezcd5enk5unncx3zcy7kw6wllyqmiyhvanjj352jayid.onion
http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion
https://decoding.at
Extracted
C:\Users\Admin\Desktop\LockBit_Ransomware.hta
https://decoding.at/
http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion/or
https://decoding.at
http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion
https://bigblog.at
Signatures
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Lockbit
Ransomware family with multiple variants released since late 2019.
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Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Control Panel\International\Geo\Nation f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\{B0B063EF-C0C0-8D57-5D4C-5D3FEB3D0F0} = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe\"" f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe Set value (str) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\{2C5F9FCC-F266-43F6-BFD7-838DAE269E11} = "C:\\Users\\Admin\\Desktop\\LockBit_Ransomware.hta" f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe -
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exedescription ioc Process File opened (read-only) \??\F: f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe -
Drops file in System32 directory 1 IoCs
Processes:
f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exedescription ioc Process File created C:\windows\SysWOW64\F4B0B5.ico f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\D08A.tmp.bmp" f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 18 IoCs
Processes:
f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exepid Process 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe -
Drops file in Program Files directory 64 IoCs
Processes:
f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exedescription ioc Process File opened for modification C:\program files\windowsapps\microsoft.heifimageextension_1.0.22742.0_x64__8wekyb3d8bbwe\assets\widetile.scale-100.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.yourphone_0.19051.7.0_x64__8wekyb3d8bbwe\assets\apptiles\appicon.targetsize-16.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File created C:\program files (x86)\adobe\acrobat reader dc\reader\webresources\resource0\static\js\plugins\combinepdf\js\nls\ru-ru\Restore-My-Files.txt f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.xboxapp_48.49.31001.0_x64__8wekyb3d8bbwe\assets\gamesxboxhubapplist.scale-100.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files (x86)\adobe\acrobat reader dc\reader\webresources\resource0\static\js\plugins\on-boarding\images\themeless\multi-tab-file-view-2x.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files (x86)\adobe\acrobat reader dc\resource\font\zx______.pfb f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\microsoft office\root\licenses16\o365homepremr_subscription2-ul-oob.xrm-ms f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.bingweather_4.25.20211.0_x64__8wekyb3d8bbwe\assets\apptiles\weatherimages\423x173\28.jpg f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\hxa-advanced-dark.scale-400.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.windowsmaps_5.1906.1972.0_neutral_split.scale-100_8wekyb3d8bbwe\assets\images\ratings\yelp10.scale-100.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files (x86)\adobe\acrobat reader dc\reader\webresources\resource0\static\js\plugins\on-boarding\images\themeless\localized_images\ru-ru\playstore_icon.svg f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\microsoft office\root\licenses16\mondor_o16enterprisevl_bypass30-ppd.xrm-ms f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\microsoft office\root\office16\sdxs\fa000000027\assets\icons\[email protected] f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.people_10.1902.633.0_x64__8wekyb3d8bbwe\assets\contrast-black\peopleapplist.targetsize-96.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files (x86)\adobe\acrobat reader dc\reader\webresources\resource0\static\js\plugins\my-computer\images\themes\dark\icons_ie8.gif f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files (x86)\adobe\acrobat reader dc\reader\webresources\resource0\static\js\plugins\on-boarding\images\themeless\localized_images\pt-br\appstore_icon.svg f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\microsoft office\root\office16\powerpnt.exe.manifest f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.webmediaextensions_1.0.20875.0_neutral_split.scale-125_8wekyb3d8bbwe\assets\contrast-black\medtile.scale-125_contrast-black.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.webmediaextensions_1.0.20875.0_x64__8wekyb3d8bbwe\assets\contrast-white\applist.targetsize-72_contrast-white.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.windowsstore_11910.1002.5.0_x64__8wekyb3d8bbwe\assets\apptiles\contrast-white\storelargetile.scale-200.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.xboxapp_48.49.31001.0_x64__8wekyb3d8bbwe\assets\gamesxboxhubsplashscreen.scale-100_contrast-high.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File created C:\program files (x86)\adobe\acrobat reader dc\reader\webresources\resource0\static\js\plugins\on-boarding\js\nls\eu-es\Restore-My-Files.txt f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\hxa-advanced-dark.scale-250.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.windowssoundrecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\assets\voicerecorderapplist.contrast-black_targetsize-40.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files (x86)\adobe\acrobat reader dc\reader\webresources\resource0\base_uris.js f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.services.store.engagement_10.0.18101.0_x64__8wekyb3d8bbwe\appxmetadata\codeintegrity.cat f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.549981c3f5f10_1.1911.21713.0_x64__8wekyb3d8bbwe\assets\store\wide310x150logo.scale-200.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.microsoftstickynotes_3.6.73.0_x64__8wekyb3d8bbwe\assets\extendedsplashscreen.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.office.onenote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-white\onenotesectionmedtile.scale-200.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.microsoft3dviewer_6.1908.2042.0_x64__8wekyb3d8bbwe\assets\storelogo.scale-100.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\hxa-generic-light.scale-125.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\deletedalluserpackages\microsoft.windows.photos_2019.19071.12548.0_neutral_split.scale-100_8wekyb3d8bbwe\assets\photosmedtile.contrast-white_scale-100.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.heifimageextension_1.0.22742.0_x64__8wekyb3d8bbwe\assets\applist.targetsize-30.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.heifimageextension_1.0.22742.0_x64__8wekyb3d8bbwe\assets\contrast-white\medtile.scale-400_contrast-white.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\microsoft office\root\office16\proof\msth8es.lex f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files (x86)\adobe\acrobat reader dc\reader\webresources\resource0\static\js\plugins\unified-share\images\themes\dark\searchemail2x.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.windowscamera_2018.826.98.0_x64__8wekyb3d8bbwe\assets\windowsicons\windowscameraapplist.contrast-white_targetsize-64.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File created C:\program files (x86)\adobe\acrobat reader dc\reader\webresources\resource0\static\js\plugins\pages-app\js\nls\root\Restore-My-Files.txt f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\microsoft office\root\licenses16\homestudentr_trial2-pl.xrm-ms f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\microsoft office\root\office16\configuration\config.xml f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.skypeapp_14.53.77.0_x64__kzf8qxf38zg5c\reactassets\assets\rnapp\app\uwp\images\onboarding\calls_emptystate_v3.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\microsoft office\root\office16\1033\telemetrylog.xltx f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.windowsfeedbackhub_1.1907.3152.0_x64__8wekyb3d8bbwe\pilotshubapp.backgroundworker.winmd f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File created C:\program files (x86)\adobe\acrobat reader dc\reader\webresources\resource0\static\js\app\dev\nls\da-dk\Restore-My-Files.txt f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.getstarted_8.2.22942.0_neutral_split.scale-200_8wekyb3d8bbwe\assets\getstartedsmalltile.scale-200_contrast-white.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.people_10.1902.633.0_x64__8wekyb3d8bbwe\assets\contrast-black\peoplelargetile.scale-200.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File created C:\program files (x86)\adobe\acrobat reader dc\reader\webresources\resource0\static\js\app\dev\nls\fi-fi\Restore-My-Files.txt f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files (x86)\windowspowershell\modules\powershellget\1.0.0.1\fr-fr\psget.resource.psd1 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\steprestart.dwfx f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.webpimageextension_1.0.22753.0_x64__8wekyb3d8bbwe\assets\contrast-white\widetile.scale-150_contrast-white.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files (x86)\adobe\acrobat reader dc\reader\acrocef\cef.pak f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.vp9videoextensions_1.0.22681.0_x64__8wekyb3d8bbwe\assets\contrast-black\applist.targetsize-24_contrast-black.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.webmediaextensions_1.0.20875.0_x64__8wekyb3d8bbwe\assets\contrast-black\applist.scale-200_contrast-black.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File created C:\program files (x86)\adobe\acrobat reader dc\reader\webresources\resource0\static\js\plugins\sample-files\js\nls\hu-hu\Restore-My-Files.txt f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\microsoft office\root\office16\msipc\ro\msipc.dll.mui f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\deletedalluserpackages\microsoft.xboxapp_48.49.31001.0_neutral_split.scale-125_8wekyb3d8bbwe\assets\gamesxboxhubstorelogo.scale-125_contrast-high.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.desktopappinstaller_1.0.30251.0_x64__8wekyb3d8bbwe\assets\contrast-white\apppackagelargetile.scale-125_contrast-white.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\hxmailapplist.scale-100.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\emptysearch-dark.scale-125.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\microsoft office\root\licenses16\outlookvl_kms_client-ppd.xrm-ms f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.bingweather_4.25.20211.0_x64__8wekyb3d8bbwe\assets\apptiles\contrast-white\weather_tilelargesquare.scale-200.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.office.onenote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-black\onenotesectiongroupwidetile.scale-150.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\deletedalluserpackages\microsoft.windowsalarms_10.1906.2182.0_neutral_split.scale-125_8wekyb3d8bbwe\assets\timerwidetile.contrast-white_scale-125.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe File opened for modification C:\program files\windowsapps\microsoft.microsoft3dviewer_6.1908.2042.0_x64__8wekyb3d8bbwe\assets\square44x44logo.targetsize-24_altform-unplated.png f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 2980 2656 WerFault.exe 92 -
Modifies Control Panel 2 IoCs
Processes:
f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Control Panel\Desktop\WallpaperStyle = "2" f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe Set value (str) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Control Panel\Desktop\TileWallpaper = "0" f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe -
Modifies registry class 15 IoCs
Processes:
f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.lockbit\DefaultIcon\ = "C:\\windows\\SysWow64\\F4B0B5.ico" f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.lockbit\ = "LockBit" f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe Key created \Registry\Machine\Software\Classes\Lockbit f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe Key created \Registry\Machine\Software\Classes\Lockbit\shell f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe Key created \Registry\Machine\Software\Classes\Lockbit\shell\Open\Command f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe Key created \Registry\Machine\Software\Classes\.lockbit\DefaultIcon f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe Key created \Registry\Machine\Software\Classes\Lockbit\DefaultIcon f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Lockbit\DefaultIcon\ = "C:\\windows\\SysWow64\\F4B0B5.ico" f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe Key created \Registry\Machine\Software\Classes\Lockbit\shell\Open f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Lockbit\shell\Open\Command\ = "\"C:\\Windows\\system32\\mshta.exe\" \"C:\\Users\\Admin\\Desktop\\LockBit_Ransomware.hta\"" f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe Key created \Registry\Machine\Software\Classes\.lockbit f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Lockbit\ = "LockBit Class" f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe Key created \Registry\Machine\Software\Classes\htafile\DefaultIcon f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htafile\DefaultIcon\ = "C:\\windows\\SysWow64\\F4B0B5.ico" f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000_Classes\Local Settings f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exepid Process 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exedescription pid Process Token: SeTakeOwnershipPrivilege 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe Token: SeDebugPrivilege 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.execmd.exedescription pid Process procid_target PID 4548 wrote to memory of 2656 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe 92 PID 4548 wrote to memory of 2656 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe 92 PID 4548 wrote to memory of 2656 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe 92 PID 4548 wrote to memory of 4372 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe 93 PID 4548 wrote to memory of 4372 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe 93 PID 4548 wrote to memory of 4372 4548 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe 93 PID 4372 wrote to memory of 5064 4372 cmd.exe 95 PID 4372 wrote to memory of 5064 4372 cmd.exe 95 PID 4372 wrote to memory of 5064 4372 cmd.exe 95 PID 4372 wrote to memory of 380 4372 cmd.exe 99 PID 4372 wrote to memory of 380 4372 cmd.exe 99 PID 4372 wrote to memory of 380 4372 cmd.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe"C:\Users\Admin\AppData\Local\Temp\f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Enumerates connected drives
- Drops file in System32 directory
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4548 -
C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\LockBit_Ransomware.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}2⤵PID:2656
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2656 -s 17843⤵
- Program crash
PID:2980
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 127.0.0.7 -n 3 > Nul & fsutil file setZeroData offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe" & Del /f /q "C:\Users\Admin\AppData\Local\Temp\f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4372 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.7 -n 33⤵
- Runs ping.exe
PID:5064
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C:\Windows\SysWOW64\fsutil.exefsutil file setZeroData offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae.exe"3⤵PID:380
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2656 -ip 26561⤵PID:2720
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
512B
MD55515b410466cffd3c82a6f64d2d6fdfe
SHA1c3bf0a5563ceeea21f27f491c942ee76b6bb270e
SHA256ec50f11ab69832be187072f362312b1d7edeef1997547163fec50daedc92ae6c
SHA512ff64eb4c062d76bbd2135658e179b70faf7ef895405239887e1d1856226995eaeb2bf9f428d97566a14151d8e839f40c34dfab450e8458f162ec0102c1fa679a
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Filesize
46KB
MD5c15c6adc8c923ad87981f289025c37b2
SHA1bfe6533f4afe3255046f7178f289a4c75ad89e76
SHA25690f3a33919fdd766e90fd96f8f20a92c2d1376b7cfdc8b738c2f8e7e6c7498b1
SHA51231dd03b208e00ac012fbe4189d5af1306cc8e3640d40efefab4aa1cabab3c4735eef0cb65e7750c3c77021934e145398e5e26389975cf36b193c8f622a5fde83