Analysis
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max time kernel
152s -
max time network
157s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
29-08-2021 20:15
Static task
static1
Behavioral task
behavioral1
Sample
15183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc.exe
Resource
win10v20210408
General
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Target
15183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc.exe
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Size
213KB
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MD5
7a1bb5da654c8216c590e19c8b47d9d1
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SHA1
0f65fad1beeadfca79eff1a2444a953912b123ad
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SHA256
15183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc
-
SHA512
d7384e4416ea5303b51cb3d8bcfa940ad39c261e4441219438b51a776d6ff6abeb4a2bbe6f2181af6c9093c12d08c8a630c9392ceb1cbb01fe431dea497ef5ef
Malware Config
Extracted
C:\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT
buran
Extracted
smokeloader
2020
http://readinglistforaugust1.xyz/
http://readinglistforaugust2.xyz/
http://readinglistforaugust3.xyz/
http://readinglistforaugust4.xyz/
http://readinglistforaugust5.xyz/
http://readinglistforaugust6.xyz/
http://readinglistforaugust7.xyz/
http://readinglistforaugust8.xyz/
http://readinglistforaugust9.xyz/
http://readinglistforaugust10.xyz/
http://readinglistforaugust1.site/
http://readinglistforaugust2.site/
http://readinglistforaugust3.site/
http://readinglistforaugust4.site/
http://readinglistforaugust5.site/
http://readinglistforaugust6.site/
http://readinglistforaugust7.site/
http://readinglistforaugust8.site/
http://readinglistforaugust9.site/
http://readinglistforaugust10.site/
http://readinglistforaugust1.club/
http://readinglistforaugust2.club/
http://readinglistforaugust3.club/
http://readinglistforaugust4.club/
http://readinglistforaugust5.club/
http://readinglistforaugust6.club/
http://readinglistforaugust7.club/
http://readinglistforaugust8.club/
http://readinglistforaugust9.club/
http://readinglistforaugust10.club/
Signatures
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Buran
Ransomware-as-a-service based on the VegaLocker family first identified in 2019.
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
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Executes dropped EXE 6 IoCs
Processes:
E4C8.exeE99B.exelsass.exelsass.execvhjiabcvhjiabpid Process 2316 E4C8.exe 3588 E99B.exe 2244 lsass.exe 3512 lsass.exe 2152 cvhjiab 2144 cvhjiab -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
E99B.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion E99B.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion E99B.exe -
Deletes itself 1 IoCs
Processes:
pid Process 2988 -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Processes:
resource yara_rule behavioral1/files/0x000200000001ab25-122.dat themida behavioral1/files/0x000200000001ab25-123.dat themida behavioral1/memory/3588-172-0x0000000000B40000-0x0000000000B41000-memory.dmp themida -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
E4C8.exedescription ioc Process Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run E4C8.exe Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\lsass.exe = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\lsass.exe\" -start" E4C8.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Processes:
E99B.exedescription ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA E99B.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
lsass.exedescription ioc Process File opened (read-only) \??\X: lsass.exe File opened (read-only) \??\M: lsass.exe File opened (read-only) \??\L: lsass.exe File opened (read-only) \??\J: lsass.exe File opened (read-only) \??\F: lsass.exe File opened (read-only) \??\A: lsass.exe File opened (read-only) \??\Z: lsass.exe File opened (read-only) \??\V: lsass.exe File opened (read-only) \??\U: lsass.exe File opened (read-only) \??\T: lsass.exe File opened (read-only) \??\R: lsass.exe File opened (read-only) \??\P: lsass.exe File opened (read-only) \??\H: lsass.exe File opened (read-only) \??\G: lsass.exe File opened (read-only) \??\Y: lsass.exe File opened (read-only) \??\O: lsass.exe File opened (read-only) \??\N: lsass.exe File opened (read-only) \??\K: lsass.exe File opened (read-only) \??\B: lsass.exe File opened (read-only) \??\Q: lsass.exe File opened (read-only) \??\S: lsass.exe File opened (read-only) \??\I: lsass.exe File opened (read-only) \??\E: lsass.exe File opened (read-only) \??\W: lsass.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 24 geoiptool.com -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
E99B.exepid Process 3588 E99B.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
15183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc.execvhjiabdescription pid Process procid_target PID 568 set thread context of 2844 568 15183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc.exe 77 PID 2152 set thread context of 2144 2152 cvhjiab 109 -
Drops file in Program Files directory 64 IoCs
Processes:
lsass.exedescription ioc Process File opened for modification C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\features\org.eclipse.babel.nls_eclipse_zh_4.4.0.v20140623020002\eclipse_update_120.jpg.payfast.147-5DC-5E2 lsass.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\platform\config\Modules\org-netbeans-api-progress.xml.payfast.147-5DC-5E2 lsass.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\1850_32x32x32.png lsass.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.16112.11621.0_x64__8wekyb3d8bbwe\Assets\AppList.targetsize-32.png lsass.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\themes\dark\rename.svg.payfast.147-5DC-5E2 lsass.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\files\dev\nls\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT lsass.exe File opened for modification C:\Program Files\SuspendRedo.dib lsass.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-host_ja.jar.payfast.147-5DC-5E2 lsass.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsAlarms_10.1702.333.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\AlarmsWideTile.scale-125.png lsass.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\2475_40x40x32.png lsass.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\THIRDPARTYLICENSEREADME.txt lsass.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\sd\icecast.luac lsass.exe File created C:\Program Files\WindowsApps\Microsoft.Messaging_3.2.24002.0_neutral_~_8wekyb3d8bbwe\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT lsass.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Flags\large\gh_60x42.png lsass.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_25.25.13009.0_x64__8wekyb3d8bbwe\Assets\GamesXboxHubAppList.targetsize-36_altform-unplated.png lsass.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\profiler\modules\locale\org-netbeans-modules-profiler_zh_CN.jar.payfast.147-5DC-5E2 lsass.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial4-pl.xrm-ms lsass.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1612.10312.0_x64__8wekyb3d8bbwe\AppxManifest.xml lsass.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1612.10312.0_x64__8wekyb3d8bbwe\Assets\InsiderHubAppList.targetsize-20_altform-unplated.png lsass.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1612.10312.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\InsiderHubSmallTile.scale-100_contrast-white.png lsass.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\IDTemplates\ENU\AdobeID.pdf lsass.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_MAK_AE-ppd.xrm-ms lsass.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\contrast-black\OneNoteSectionLargeTile.scale-200.png lsass.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Car\RTL\contrast-white\LargeTile.scale-200.png lsass.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\IDTemplates\ENU\AdobeID.pdf.payfast.147-5DC-5E2 lsass.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT lsass.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial1-ppd.xrm-ms lsass.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_MAK-pl.xrm-ms.payfast.147-5DC-5E2 lsass.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG_F_COL.HXK lsass.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-006E-0409-1000-0000000FF1CE}\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT lsass.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SecondaryTiles\Place\SmallTile.scale-125.png lsass.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.3DBuilder_13.0.10349.0_neutral_split.scale-140_8wekyb3d8bbwe\Assets\Office\Group.scale-140.png lsass.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessEntry2019R_PrepidBypass-ppd.xrm-ms.payfast.147-5DC-5E2 lsass.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTrial-ul-oob.xrm-ms.payfast.147-5DC-5E2 lsass.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.ZuneVideo_10.16112.11601.0_neutral_resources.scale-125_8wekyb3d8bbwe\Assets\contrast-black\WideLogo.scale-125_contrast-black.png lsass.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Messaging_3.26.24002.0_neutral_split.scale-150_8wekyb3d8bbwe\Assets\WideLogo.scale-150.png lsass.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_1.1702.21039.0_x64__8wekyb3d8bbwe\Assets\Images\Tiles\Wide310x150Logo.scale-200.png lsass.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Themes\Autumn\autumn_13d.png lsass.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2017.125.40.0_x64__8wekyb3d8bbwe\Assets\WindowsIcons\WindowsCameraAppList.contrast-white_targetsize-256.png lsass.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-white\RunningLate.scale-64.png lsass.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\jre\lib\net.properties.payfast.147-5DC-5E2 lsass.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected] lsass.exe File opened for modification C:\Program Files\Microsoft Office\root\vreg\office32mui.msi.16.en-us.vreg.dat.payfast.147-5DC-5E2 lsass.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.XboxApp_25.25.13009.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\GamesXboxHubSmallTile.scale-125_contrast-high.png lsass.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\org.eclipse.ui.themes_1.0.1.v20140819-1717\images\win7.png.payfast.147-5DC-5E2 lsass.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTest-ul-oob.xrm-ms.payfast.147-5DC-5E2 lsass.exe File opened for modification C:\Program Files\Microsoft Office\root\Templates\1033\OriginResume.Dotx lsass.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-white\LinkedInboxBadge.scale-100.png lsass.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\s_filterselected-down_32.svg lsass.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\DailyChallenges\SmallKlondikeTile.jpg lsass.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\aicuc\images\rhp_world_icon_2x.png.payfast.147-5DC-5E2 lsass.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\aicuc\images\themes\dark\warning.png lsass.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.18.56.0_x64__8wekyb3d8bbwe\Assets\AppTiles\Weather_TileLargeSquare.scale-200.png lsass.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\HxCalendarMediumTile.scale-100.png lsass.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\over-arrow-navigation.svg lsass.exe File opened for modification C:\Program Files\7-Zip\Lang\ba.txt.payfast.147-5DC-5E2 lsass.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\jre\lib\security\US_export_policy.jar.payfast.147-5DC-5E2 lsass.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.ssl.feature_1.0.0.v20140827-1444\META-INF\eclipse.inf.payfast.147-5DC-5E2 lsass.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\lib\fonts\LucidaSansRegular.ttf lsass.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\MondoR_OEM_Perp-pl.xrm-ms.payfast.147-5DC-5E2 lsass.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_x64__8wekyb3d8bbwe\Assets\LiveTiles\DirectionsWide.png lsass.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\dd_arrow_small.png lsass.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\CAPSULES\PREVIEW.GIF.payfast.147-5DC-5E2 lsass.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\images\themes\dark\rhp_world_icon_hover_2x.png.payfast.147-5DC-5E2 lsass.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
cvhjiab15183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc.exedescription ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI cvhjiab Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 15183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 15183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 15183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI cvhjiab Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI cvhjiab -
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
Processes:
vssadmin.exepid Process 3000 vssadmin.exe -
Processes:
E4C8.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 E4C8.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 E4C8.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
15183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc.exepid Process 2844 15183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc.exe 2844 15183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc.exe 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
pid Process 2988 -
Suspicious behavior: MapViewOfSection 20 IoCs
Processes:
15183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc.execvhjiabpid Process 2844 15183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc.exe 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2988 2144 cvhjiab -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
WMIC.exevssvc.exeE99B.exedescription pid Process Token: SeShutdownPrivilege 2988 Token: SeCreatePagefilePrivilege 2988 Token: SeShutdownPrivilege 2988 Token: SeCreatePagefilePrivilege 2988 Token: SeShutdownPrivilege 2988 Token: SeCreatePagefilePrivilege 2988 Token: SeShutdownPrivilege 2988 Token: SeCreatePagefilePrivilege 2988 Token: SeShutdownPrivilege 2988 Token: SeCreatePagefilePrivilege 2988 Token: SeShutdownPrivilege 2988 Token: SeCreatePagefilePrivilege 2988 Token: SeIncreaseQuotaPrivilege 2228 WMIC.exe Token: SeSecurityPrivilege 2228 WMIC.exe Token: SeTakeOwnershipPrivilege 2228 WMIC.exe Token: SeLoadDriverPrivilege 2228 WMIC.exe Token: SeSystemProfilePrivilege 2228 WMIC.exe Token: SeSystemtimePrivilege 2228 WMIC.exe Token: SeProfSingleProcessPrivilege 2228 WMIC.exe Token: SeIncBasePriorityPrivilege 2228 WMIC.exe Token: SeCreatePagefilePrivilege 2228 WMIC.exe Token: SeBackupPrivilege 2228 WMIC.exe Token: SeRestorePrivilege 2228 WMIC.exe Token: SeShutdownPrivilege 2228 WMIC.exe Token: SeDebugPrivilege 2228 WMIC.exe Token: SeSystemEnvironmentPrivilege 2228 WMIC.exe Token: SeRemoteShutdownPrivilege 2228 WMIC.exe Token: SeUndockPrivilege 2228 WMIC.exe Token: SeManageVolumePrivilege 2228 WMIC.exe Token: 33 2228 WMIC.exe Token: 34 2228 WMIC.exe Token: 35 2228 WMIC.exe Token: 36 2228 WMIC.exe Token: SeBackupPrivilege 3812 vssvc.exe Token: SeRestorePrivilege 3812 vssvc.exe Token: SeAuditPrivilege 3812 vssvc.exe Token: SeShutdownPrivilege 2988 Token: SeCreatePagefilePrivilege 2988 Token: SeIncreaseQuotaPrivilege 2228 WMIC.exe Token: SeSecurityPrivilege 2228 WMIC.exe Token: SeTakeOwnershipPrivilege 2228 WMIC.exe Token: SeLoadDriverPrivilege 2228 WMIC.exe Token: SeSystemProfilePrivilege 2228 WMIC.exe Token: SeSystemtimePrivilege 2228 WMIC.exe Token: SeProfSingleProcessPrivilege 2228 WMIC.exe Token: SeIncBasePriorityPrivilege 2228 WMIC.exe Token: SeCreatePagefilePrivilege 2228 WMIC.exe Token: SeBackupPrivilege 2228 WMIC.exe Token: SeRestorePrivilege 2228 WMIC.exe Token: SeShutdownPrivilege 2228 WMIC.exe Token: SeDebugPrivilege 2228 WMIC.exe Token: SeSystemEnvironmentPrivilege 2228 WMIC.exe Token: SeRemoteShutdownPrivilege 2228 WMIC.exe Token: SeUndockPrivilege 2228 WMIC.exe Token: SeManageVolumePrivilege 2228 WMIC.exe Token: 33 2228 WMIC.exe Token: 34 2228 WMIC.exe Token: 35 2228 WMIC.exe Token: 36 2228 WMIC.exe Token: SeShutdownPrivilege 2988 Token: SeCreatePagefilePrivilege 2988 Token: SeShutdownPrivilege 2988 Token: SeCreatePagefilePrivilege 2988 Token: SeDebugPrivilege 3588 E99B.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
pid Process 2988 -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
15183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc.exeE4C8.exelsass.exedescription pid Process procid_target PID 568 wrote to memory of 2844 568 15183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc.exe 77 PID 568 wrote to memory of 2844 568 15183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc.exe 77 PID 568 wrote to memory of 2844 568 15183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc.exe 77 PID 568 wrote to memory of 2844 568 15183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc.exe 77 PID 568 wrote to memory of 2844 568 15183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc.exe 77 PID 568 wrote to memory of 2844 568 15183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc.exe 77 PID 2988 wrote to memory of 2316 2988 79 PID 2988 wrote to memory of 2316 2988 79 PID 2988 wrote to memory of 2316 2988 79 PID 2988 wrote to memory of 3588 2988 80 PID 2988 wrote to memory of 3588 2988 80 PID 2988 wrote to memory of 3588 2988 80 PID 2988 wrote to memory of 2112 2988 82 PID 2988 wrote to memory of 2112 2988 82 PID 2988 wrote to memory of 2112 2988 82 PID 2988 wrote to memory of 2112 2988 82 PID 2988 wrote to memory of 792 2988 83 PID 2988 wrote to memory of 792 2988 83 PID 2988 wrote to memory of 792 2988 83 PID 2988 wrote to memory of 1028 2988 84 PID 2988 wrote to memory of 1028 2988 84 PID 2988 wrote to memory of 1028 2988 84 PID 2988 wrote to memory of 1028 2988 84 PID 2988 wrote to memory of 2352 2988 85 PID 2988 wrote to memory of 2352 2988 85 PID 2988 wrote to memory of 2352 2988 85 PID 2988 wrote to memory of 2268 2988 86 PID 2988 wrote to memory of 2268 2988 86 PID 2988 wrote to memory of 2268 2988 86 PID 2988 wrote to memory of 2268 2988 86 PID 2316 wrote to memory of 2244 2316 E4C8.exe 87 PID 2316 wrote to memory of 2244 2316 E4C8.exe 87 PID 2316 wrote to memory of 2244 2316 E4C8.exe 87 PID 2988 wrote to memory of 1804 2988 88 PID 2988 wrote to memory of 1804 2988 88 PID 2988 wrote to memory of 1804 2988 88 PID 2988 wrote to memory of 640 2988 89 PID 2988 wrote to memory of 640 2988 89 PID 2988 wrote to memory of 640 2988 89 PID 2988 wrote to memory of 640 2988 89 PID 2988 wrote to memory of 3976 2988 90 PID 2988 wrote to memory of 3976 2988 90 PID 2988 wrote to memory of 3976 2988 90 PID 2988 wrote to memory of 1240 2988 91 PID 2988 wrote to memory of 1240 2988 91 PID 2988 wrote to memory of 1240 2988 91 PID 2988 wrote to memory of 1240 2988 91 PID 2244 wrote to memory of 3688 2244 lsass.exe 92 PID 2244 wrote to memory of 3688 2244 lsass.exe 92 PID 2244 wrote to memory of 3688 2244 lsass.exe 92 PID 2244 wrote to memory of 3176 2244 lsass.exe 93 PID 2244 wrote to memory of 3176 2244 lsass.exe 93 PID 2244 wrote to memory of 3176 2244 lsass.exe 93 PID 2244 wrote to memory of 3156 2244 lsass.exe 95 PID 2244 wrote to memory of 3156 2244 lsass.exe 95 PID 2244 wrote to memory of 3156 2244 lsass.exe 95 PID 2244 wrote to memory of 1120 2244 lsass.exe 99 PID 2244 wrote to memory of 1120 2244 lsass.exe 99 PID 2244 wrote to memory of 1120 2244 lsass.exe 99 PID 2244 wrote to memory of 3900 2244 lsass.exe 97 PID 2244 wrote to memory of 3900 2244 lsass.exe 97 PID 2244 wrote to memory of 3900 2244 lsass.exe 97 PID 2244 wrote to memory of 3512 2244 lsass.exe 101 PID 2244 wrote to memory of 3512 2244 lsass.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\15183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc.exe"C:\Users\Admin\AppData\Local\Temp\15183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:568 -
C:\Users\Admin\AppData\Local\Temp\15183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc.exe"C:\Users\Admin\AppData\Local\Temp\15183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2844
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C:\Users\Admin\AppData\Local\Temp\E4C8.exeC:\Users\Admin\AppData\Local\Temp\E4C8.exe1⤵
- Executes dropped EXE
- Adds Run key to start application
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:2316 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\lsass.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\lsass.exe" -start2⤵
- Executes dropped EXE
- Enumerates connected drives
- Suspicious use of WriteProcessMemory
PID:2244 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /C wmic shadowcopy delete3⤵PID:3688
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:2228
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /C bcdedit /set {default} recoveryenabled no3⤵PID:3176
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures3⤵PID:3156
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /C vssadmin delete shadows /all /quiet3⤵PID:3900
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C:\Windows\SysWOW64\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:3000
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /C wbadmin delete catalog -quiet3⤵PID:1120
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\lsass.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\lsass.exe" -agent 03⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:3512
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C:\Users\Admin\AppData\Local\Temp\E99B.exeC:\Users\Admin\AppData\Local\Temp\E99B.exe1⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
PID:3588
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2112
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:792
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:1028
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:2352
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2268
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:1804
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:640
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:3976
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:1240
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3812
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C:\Users\Admin\AppData\Roaming\cvhjiabC:\Users\Admin\AppData\Roaming\cvhjiab1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
PID:2152 -
C:\Users\Admin\AppData\Roaming\cvhjiabC:\Users\Admin\AppData\Roaming\cvhjiab2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2144
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3F26ED5DE6B4E859CCCA6035ECB8D9CB
MD55703edef7cb0f99305a6b18845e0443e
SHA1fb6f022ebde210306e1a6575462d6451e98af454
SHA256e4ce02059eb175c30879041d610db7b8798cdf57a4c67afc83c125c2db36e883
SHA5124631853bda1498ff3cace6a348fd2d6770edd0fec166707c3afebff09644f34e29a7a6dd3e9cb167c40e8b5fa1fbbc80ba26d80b4d939daf56278c276b07ada4
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\204C1AA6F6114E6A513754A2AB5760FA_0673414C08DE7F919AE3F6C4CC65AEEE
MD5888f7457c332ac5e1897316e159f58c1
SHA1a3047c6e978158dfae29b5735e8131ec1b30703d
SHA256c2c14652875bfeb1ed529202da6d45eb974acab193c005908cf90b8c5cf3dd41
SHA5120abdc5f78ade2f56b0f1954adc0479b5dcc88d401bfac95754e7dd80adefe7375a426fd89f81b657ebe9c113092524dcbd1e80c39a4bec51ccd93bc0bc3a5aff
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD5939460925953ce88e1086341b8a11bda
SHA106249b891050a9fac128ccfee943aeb5bede1c7b
SHA256d4da3c5ff04a3b677eb77b1bfedc14e29ebd0d01c476d44a0b1a2366447ab016
SHA512a8dc3eb58a4a550cc2551463a3d813396caf3f2b65f5b13c8e339a4a32652895ee15c23eb5ba833eca4e7c22331a622657cf5bd64098f0c54e43b4e92fe65f30
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3F26ED5DE6B4E859CCCA6035ECB8D9CB
MD5ac7269757c00c5c8ee148e8399d20bbf
SHA13a1b1769183f8da61bcd319e54ce200fbee769e0
SHA2563bb143bf81e7fa20c8972b796f1adea39f2c4cd8575080c02c3ebc59f421cf73
SHA51289e1d224ed11e1226c2285aec53dc23a19658135cf8c09349c1604885345bfaa7deaabc2f658ee25cc423784d18e4d1ef1012ee3ce8ef54205f9a41bebf16b45
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\204C1AA6F6114E6A513754A2AB5760FA_0673414C08DE7F919AE3F6C4CC65AEEE
MD585c07bfad370f18e5f7d5d01261f66c5
SHA15c9475c0c190aa528a3eb753625808df514c5551
SHA2563492e2485478856d4fc5c6d35f44434ec59cdc55b4228b6a6b24e3c27eae27d9
SHA5120024fb35d37960d0053b5220c51b9d3641b48bb3b48bfc73e0ed6d8fd39be0637c1f033308c0dfaa59a7d605ad04c19219d534f28f617d2b9a1ac06a1073d396
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD50069b97446e2fcf63581b926c27daa76
SHA180449f1853815f6036ce9c8ecb7937eb88e91cad
SHA2568e7ccc45f51fc7107c5c44b475fe032429ac44454d1cf36666b5449487c1225f
SHA512eb22ee9ff5dce5e7b7035441deb63f0f5c0f39b5e560678b9938ea8504fad53d262e21b8c137bd89bbb8acbd4e80734652a167319c249fa1a69ccff48e4b4d5d
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MD5
b1cd7c031debba3a5c77b39b6791c1a7
SHA1e5d91e14e9c685b06f00e550d9e189deb2075f76
SHA25657ba053f075e0b80f747f3102ed985687c16a8754d109e7c4d33633269a36aaa
SHA512d2bbefdc1effb52a38964c4cec5990a5a226248eca36f99e446c0c5704436f666bf1cb514e73b8991411d497d3325ecc646cbd5065c364e92ab6b9c5f1ad4a72
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MD5
e70ceaf1fc7771d3d791aedc0c2068a7
SHA197912679527c910bdf4c97265656f4c2527245db
SHA2560e7b9aae7306cdb8cca2a7fa6552fd6cd03f3e2ab2e2d4ae51dfe325ff2016e5
SHA5126a4c8a424e87f4a622aa20e4fd37060919cf686c32c0432eea026c12af372ffc6714c6baff46d0590a78fddf62ea7ca3eac3240846e1781d090d3867cfc2cd58
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MD5
e70ceaf1fc7771d3d791aedc0c2068a7
SHA197912679527c910bdf4c97265656f4c2527245db
SHA2560e7b9aae7306cdb8cca2a7fa6552fd6cd03f3e2ab2e2d4ae51dfe325ff2016e5
SHA5126a4c8a424e87f4a622aa20e4fd37060919cf686c32c0432eea026c12af372ffc6714c6baff46d0590a78fddf62ea7ca3eac3240846e1781d090d3867cfc2cd58
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MD5
146018469ce8690f4da893e0269a1ae7
SHA194ec664dff33827c42cce634dea676b56e4cfb89
SHA25601c0aadd0d9b47985b070d6ab49bc0e7977c632a3c5843efe249a6586f951e09
SHA5128a03bd9719f39f6f99a1f522783cda64680609602c8571dd664c10d73f6336a09ddc3d3d242a1b6f7183f21766b6529a2ea2dd7d6ff54eab07dbe418dfc0c0f4
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MD5
146018469ce8690f4da893e0269a1ae7
SHA194ec664dff33827c42cce634dea676b56e4cfb89
SHA25601c0aadd0d9b47985b070d6ab49bc0e7977c632a3c5843efe249a6586f951e09
SHA5128a03bd9719f39f6f99a1f522783cda64680609602c8571dd664c10d73f6336a09ddc3d3d242a1b6f7183f21766b6529a2ea2dd7d6ff54eab07dbe418dfc0c0f4
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MD5
e70ceaf1fc7771d3d791aedc0c2068a7
SHA197912679527c910bdf4c97265656f4c2527245db
SHA2560e7b9aae7306cdb8cca2a7fa6552fd6cd03f3e2ab2e2d4ae51dfe325ff2016e5
SHA5126a4c8a424e87f4a622aa20e4fd37060919cf686c32c0432eea026c12af372ffc6714c6baff46d0590a78fddf62ea7ca3eac3240846e1781d090d3867cfc2cd58
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MD5
e70ceaf1fc7771d3d791aedc0c2068a7
SHA197912679527c910bdf4c97265656f4c2527245db
SHA2560e7b9aae7306cdb8cca2a7fa6552fd6cd03f3e2ab2e2d4ae51dfe325ff2016e5
SHA5126a4c8a424e87f4a622aa20e4fd37060919cf686c32c0432eea026c12af372ffc6714c6baff46d0590a78fddf62ea7ca3eac3240846e1781d090d3867cfc2cd58
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MD5
e70ceaf1fc7771d3d791aedc0c2068a7
SHA197912679527c910bdf4c97265656f4c2527245db
SHA2560e7b9aae7306cdb8cca2a7fa6552fd6cd03f3e2ab2e2d4ae51dfe325ff2016e5
SHA5126a4c8a424e87f4a622aa20e4fd37060919cf686c32c0432eea026c12af372ffc6714c6baff46d0590a78fddf62ea7ca3eac3240846e1781d090d3867cfc2cd58
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MD5
7a1bb5da654c8216c590e19c8b47d9d1
SHA10f65fad1beeadfca79eff1a2444a953912b123ad
SHA25615183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc
SHA512d7384e4416ea5303b51cb3d8bcfa940ad39c261e4441219438b51a776d6ff6abeb4a2bbe6f2181af6c9093c12d08c8a630c9392ceb1cbb01fe431dea497ef5ef
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MD5
7a1bb5da654c8216c590e19c8b47d9d1
SHA10f65fad1beeadfca79eff1a2444a953912b123ad
SHA25615183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc
SHA512d7384e4416ea5303b51cb3d8bcfa940ad39c261e4441219438b51a776d6ff6abeb4a2bbe6f2181af6c9093c12d08c8a630c9392ceb1cbb01fe431dea497ef5ef
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MD5
7a1bb5da654c8216c590e19c8b47d9d1
SHA10f65fad1beeadfca79eff1a2444a953912b123ad
SHA25615183469bcf9a720115a85e5829a714ba49eca2c9e14a369daf9697a520b4bfc
SHA512d7384e4416ea5303b51cb3d8bcfa940ad39c261e4441219438b51a776d6ff6abeb4a2bbe6f2181af6c9093c12d08c8a630c9392ceb1cbb01fe431dea497ef5ef