Analysis
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max time kernel
94s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
27-09-2024 11:50
Static task
static1
Behavioral task
behavioral1
Sample
202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe
Resource
win10v2004-20240802-en
General
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Target
202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe
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Size
862KB
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MD5
4d66e5d97d69602b5f7f456a4c11cf2b
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SHA1
70ae4cb2a3af39a97dc75e0d4937c88faf6dc914
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SHA256
50ac767d5b007b120db7a476126a88f37edc3f54bae24ed546a80477836252ed
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SHA512
e035da06a3c154a6ff0cadddfb559b5d6679e858ae6ffcfc48f8f4f0a8469221222fcf0ca160e24cfdf8f658f48d6484b5baff034a7ab73d5b87fbf964f03fd9
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SSDEEP
24576:DxAf2NuubB6RWspgjuwu7pl4Ha+UmxJH+QzFR:dAfSrWW4g+7Ht+UmxJeg3
Malware Config
Extracted
C:\Program Files\dotnet\Restore-My-Files.txt
http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion
https://bigblog.at
http://lockbitsup4yezcd5enk5unncx3zcy7kw6wllyqmiyhvanjj352jayid.onion
http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion
https://decoding.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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\{F068DCBF-2828-A337-9BF8-9BCB3D5CBF55} = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe\"" 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe -
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exedescription ioc process File opened (read-only) \??\F: 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 17 IoCs
Processes:
202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exepid process 920 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe 920 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe 920 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe 920 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe 920 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe 920 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe 920 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe 920 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe 920 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe 920 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe 920 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe 920 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe 920 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe 920 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe 920 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe 920 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe 920 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe -
Drops file in Program Files directory 64 IoCs
Processes:
202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exedescription ioc process File opened for modification C:\program files\windowsapps\microsoft.windowsmaps_5.1906.1972.0_x64__8wekyb3d8bbwe\assets\apptiles\contrast-black\mapsapplist.targetsize-72_altform-unplated.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.windowssoundrecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\assets\voicerecorderapplist.contrast-white_targetsize-30_altform-unplated.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files (x86)\adobe\acrobat reader dc\reader\webresources\resource0\static\js\plugins\on-boarding\images\themeless\tool-search.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\microsoft office\root\licenses16\homebusinessr_trial2-pl.xrm-ms 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\microsoft office\root\licenses16\proplus2019r_oem_perp2-pl.xrm-ms 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\microsoft office\root\licenses16\visiopro2019r_prepidbypass-ul-oob.xrm-ms 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.webmediaextensions_1.0.20875.0_neutral_split.scale-100_8wekyb3d8bbwe\assets\contrast-white\applist.scale-100_contrast-white.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\microsoft office\root\licenses16\word2019r_trial-ppd.xrm-ms 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.zunevideo_10.19071.19011.0_x64__8wekyb3d8bbwe\assets\contrast-white\orientationcontrolmiddlecirclehover.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.office.onenote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-white\onenotenewnotesmalltile.scale-150.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\hxaccountssplashlogo.scale-100.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.windowsmaps_5.1906.1972.0_neutral_split.scale-100_8wekyb3d8bbwe\assets\secondarytiles\work\contrast-white\smalltile.scale-100.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\java\jdk-1.8\jre\lib\cmm\srgb.pf 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.mspaint_6.1907.29027.0_x64__8wekyb3d8bbwe\paintstudio.cursors.winmd 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\deletedalluserpackages\microsoft.windowsalarms_10.1906.2182.0_neutral_split.scale-125_8wekyb3d8bbwe\assets\timerlargetile.contrast-black_scale-125.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.bingweather_4.25.20211.0_x64__8wekyb3d8bbwe\assets\apptiles\weatherimages\210x173\82.jpg 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.desktopappinstaller_1.0.30251.0_x64__8wekyb3d8bbwe\assets\contrast-white\apppackagestorelogo.scale-150_contrast-white.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.windows.photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\appxsignature.p7x 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.windowsfeedbackhub_1.1907.3152.0_neutral_split.scale-100_8wekyb3d8bbwe\assets\retail\ninjacatondragon.scale-100.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File created C:\program files (x86)\adobe\acrobat reader dc\reader\webresources\resource0\static\js\plugins\sign-services-auth\js\nls\root\Restore-My-Files.txt 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\microsoft office\root\licenses16\access2019r_trial-pl.xrm-ms 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\microsoft office\root\licenses16\mondor_subtrial-ul-oob.xrm-ms 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.microsoftstickynotes_3.6.73.0_x64__8wekyb3d8bbwe\assets\jumplistnoteslist.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.windowssoundrecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\assets\voicerecorderapplist.contrast-black_targetsize-20.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.skypeapp_14.53.77.0_x64__kzf8qxf38zg5c\assets\audio\skype_dtmf_5.m4a 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files (x86)\mozilla maintenance service\logs\maintenanceservice-install.log 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\microsoft office\packagemanifests\appxmanifest.90160000-0090-0409-1000-0000000ff1ce.xml 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windows photo viewer\de-de\photoacq.dll.mui 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.wallet_2.4.18324.0_x64__8wekyb3d8bbwe\images\paysquare44x44logo.targetsize-24_altform-unplated.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File created C:\program files (x86)\adobe\acrobat reader dc\reader\webresources\resource0\static\js\plugins\on-boarding\images\themeless\Restore-My-Files.txt 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.office.onenote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-white\onenotesectiongroupmedtile.scale-400.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files (x86)\adobe\acrobat reader dc\reader\webresources\resource0\static\js\plugins\digsig\js\nls\fr-ma\ui-strings.js 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files (x86)\adobe\acrobat reader dc\reader\webresources\resource0\static\js\plugins\send-for-sign\js\nls\ca-es\ui-strings.js 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\microsoft office\root\licenses16\projectstd2019r_oem_perp-ppd.xrm-ms 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.bingweather_4.25.20211.0_x64__8wekyb3d8bbwe\assets\apptiles\livetile\2px.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.screensketch_10.1907.2471.0_x64__8wekyb3d8bbwe\assets\screensketchsquare44x44logo.targetsize-32_altform-unplated_contrast-white.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File created C:\program files (x86)\adobe\acrobat reader dc\reader\webresources\resource0\static\js\plugins\exportpdfupsell-app\css\Restore-My-Files.txt 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.windowsalarms_10.1906.2182.0_x64__8wekyb3d8bbwe\assets\alarmsapplist.contrast-white_targetsize-20_altform-unplated.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File created C:\program files (x86)\adobe\acrobat reader dc\reader\webresources\resource0\static\js\core\dev\nls\sk-sk\Restore-My-Files.txt 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File created C:\program files\videolan\vlc\locale\pt_pt\lc_messages\Restore-My-Files.txt 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\deletedalluserpackages\microsoft.yourphone_0.19051.7.0_neutral_split.scale-125_8wekyb3d8bbwe\resources.pri 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.gethelp_10.1706.13331.0_neutral_split.scale-100_8wekyb3d8bbwe\assets\smalltile.scale-100_contrast-white.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.zunemusic_10.19071.19011.0_neutral_split.scale-100_8wekyb3d8bbwe\appxmanifest.xml 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\microsoft office\root\licenses16\powerpointvl_mak-pl.xrm-ms 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\deletedalluserpackages\microsoft.zunemusic_10.19071.19011.0_neutral_split.scale-125_8wekyb3d8bbwe\assets\contrast-white\splashscreen.scale-125_contrast-white.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\hxcalendarapplist.targetsize-80_altform-unplated.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files (x86)\adobe\acrobat reader dc\reader\webresources\resource0\static\js\plugins\on-boarding\images\themeless\lets-get-started.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files (x86)\windows photo viewer\de-de\photoviewer.dll.mui 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.microsoft3dviewer_6.1908.2042.0_x64__8wekyb3d8bbwe\trackingdlluwp.winmd 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.windowscalculator_10.1906.55.0_x64__8wekyb3d8bbwe\assets\calculatorapplist.contrast-white_targetsize-64.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\microsoft office\packagemanifests\appxmanifest.90160000-3101-0000-1000-0000000ff1ce.xml 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files (x86)\adobe\acrobat reader dc\reader\webresources\resource0\static\js\plugins\on-boarding\images\themeless\da_get.svg 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.microsoft3dviewer_6.1908.2042.0_x64__8wekyb3d8bbwe\assets\storelogo.scale-100.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\linkedinboxlargetile.scale-100.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files (x86)\adobe\acrobat reader dc\reader\webresources\resource0\static\js\plugins\home\images\themes\dark\icons_retina.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\hxa-yahoo-dark.scale-400.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.yourphone_0.19051.7.0_neutral_split.scale-100_8wekyb3d8bbwe\appxmanifest.xml 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files (x86)\adobe\acrobat reader dc\reader\acroapp\enu\edit_r_rhp.aapp 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\microsoft office\root\office16\pagesize\pglbl026.xml 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.people_10.1902.633.0_x64__8wekyb3d8bbwe\assets\contrast-black\peopleapplist.targetsize-32.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\deletedalluserpackages\microsoft.windowsmaps_5.1906.1972.0_neutral_split.scale-125_8wekyb3d8bbwe\assets\secondarytiles\directions\car\rtl\contrast-white\medtile.scale-125.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.office.onenote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-black\onenotenewnotesmalltile.scale-150.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.xboxgamingoverlay_2.34.28001.0_neutral_split.scale-100_8wekyb3d8bbwe\appxsignature.p7x 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe File opened for modification C:\program files\windowsapps\microsoft.zunevideo_10.19071.19011.0_x64__8wekyb3d8bbwe\assets\contrast-black\orientationcontrolinnercircle.png 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exepid process 920 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe 920 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe 920 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe 920 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe 920 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe 920 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe 920 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exedescription pid process Token: SeTakeOwnershipPrivilege 920 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe Token: SeDebugPrivilege 920 202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe"C:\Users\Admin\AppData\Local\Temp\202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe"1⤵
- Adds Run key to start application
- Enumerates connected drives
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:920
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
512B
MD58e2ed10fb238582ac5ca6bbed860c71f
SHA1f2d5c1eb26b915add7d27480680e4955518faf5e
SHA25653b34b7524c8b79af060e18b376651f9ebc2a20e9484d25b8c1a33abcfef53db
SHA51281f261e6d637d2739fd19f833bb834c62dee9e5c6a228552154908b1f9cca2112ad65cffdf768ced502e5773ccbbbe1e9159d82c8c55e03658e2c4c4d1d96109