Analysis
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max time kernel
88s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
03/11/2024, 22:02
Behavioral task
behavioral1
Sample
bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe
Resource
win10v2004-20241007-en
General
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Target
bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe
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Size
178KB
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MD5
4519a5876b3e77568105da0f1c2ebb4d
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SHA1
78823aed1ec75b00214dccd654f5ea5dd38cfd58
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SHA256
bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7
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SHA512
f4a106b983a3c330983a6bce311cff54241c9a9b7aac31116a1ee0ebca9f20126d9e584f4b6b8fbbd3498fbb4632d1fe6373e08fd7dc3f0819fe9ebd8d9c69f9
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SSDEEP
3072:Yrl2uRkddO+iR7OZOQ+dzeIP9mwUGU3l2bxW1/9JnOC/fhKJ2hXh3lmG:22uyqOh2g8U12K9dtEWx17
Malware Config
Signatures
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PLAY Ransomware, PlayCrypt
Ransomware family first seen in mid 2022.
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Play family
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Renames multiple (3666) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Drops desktop.ini file(s) 3 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\DESKTOP.INI bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\$Recycle.Bin\S-1-5-21-3227495264-2217614367-4027411560-1000\desktop.ini bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\desktop.ini bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\H: bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened (read-only) \??\P: bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened (read-only) \??\R: bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened (read-only) \??\T: bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened (read-only) \??\X: bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened (read-only) \??\E: bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened (read-only) \??\I: bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened (read-only) \??\J: bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened (read-only) \??\L: bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened (read-only) \??\M: bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened (read-only) \??\S: bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened (read-only) \??\U: bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened (read-only) \??\V: bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened (read-only) \??\Y: bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened (read-only) \??\B: bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened (read-only) \??\K: bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened (read-only) \??\W: bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened (read-only) \??\A: bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened (read-only) \??\G: bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened (read-only) \??\N: bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened (read-only) \??\O: bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened (read-only) \??\Q: bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened (read-only) \??\Z: bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_MAK-ul-phn.xrm-ms bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsAlarms_10.1906.2182.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\TimerSmallTile.contrast-black_scale-125.png bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsCamera_2018.826.98.0_neutral_split.scale-200_8wekyb3d8bbwe\Assets\WindowsIcons\WindowsCameraMedTile.scale-200.png bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.ZuneMusic_10.19071.19011.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\iheart-radio.scale-125.png bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Assets\HostConfig.json bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-black\Weather_TileMediumSquare.scale-200.png bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\Assets\GetStartedAppList.targetsize-80_contrast-black.png bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Assets\LockScreenLogo.scale-400.png bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Java\jre-1.8\lib\management\management.properties bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Grace-ppd.xrm-ms bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_KMS_Client_AE-ul-oob.xrm-ms bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-white_scale-140.png bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\Assets\AppList.scale-100.png bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\Assets\contrast-black\BadgeLogo.scale-100_contrast-black.png bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Java\jre-1.8\legal\javafx\glib.md bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Java\jre-1.8\lib\security\blacklist bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Retail-ul-phn.xrm-ms bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\1033\MSSOAPR3.DLL bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\STRTEDGE\PREVIEW.GIF bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\TRANSLAT\ESEN\MSB1ESEN.ITS bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.Windows.Photos_2019.19071.12548.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\PhotosLargeTile.contrast-black_scale-100.png bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Work\LTR\contrast-white\WideTile.scale-125.png bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Assets\Store\Wide310x150Logo.scale-200.png bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\7-Zip\Lang\pa-in.txt bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Grace-ul-oob.xrm-ms bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Grace-ul-oob.xrm-ms bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_OEM_Perp-ul-oob.xrm-ms bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_Subscription-pl.xrm-ms bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp6-ppd.xrm-ms bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\WordVL_MAK-ppd.xrm-ms bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART4.BDR bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\NewCommentRTL.White.png bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\en_GB\LC_MESSAGES\vlc.mo bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Windows Defender\fr-FR\shellext.dll.mui bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Assets\AppTiles\Weather_SplashScreen.scale-200.png bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MEDIA\WHOOSH.WAV bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\rsod\osm.x-none.msi.16.x-none.boot.tree.dat bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsStore_11910.1002.5.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AppTiles\SplashScreen.scale-100.png bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppPackageAppList.targetsize-24_altform-unplated_contrast-white.png bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.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 bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipscsy.xml bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\uk-UA\tabskb.dll.mui bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Common Files\System\msadc\es-ES\msdaprsr.dll.mui bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_KMS_Client-ul.xrm-ms bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\SkypeServiceBypassR_PrepidBypass-ppd.xrm-ms bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe.config bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.contrast-black_scale-100.png bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected] bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\DEEPBLUE\DEEPBLUE.ELM bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.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 bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\Assets\GetStartedAppList.targetsize-72_altform-lightunplated.png bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\Assets\GetStartedWideTile.scale-100.png bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Java\jdk-1.8\COPYRIGHT bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\DEEPBLUE\THMBNAIL.PNG bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.SkypeApp_14.53.77.0_neutral_split.scale-125_kzf8qxf38zg5c\Assets\Images\SkypeTile.scale-125_contrast-white.png bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Images\fre_background.jpg bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\Assets\contrast-black\AppList.scale-100_contrast-black.png bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\Assets\contrast-black\MedTile.scale-125_contrast-black.png bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MINSBROAMINGPROXY.DLL bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN011.XML bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SAMPLES\SOLVSAMP.XLS bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\LISTS\1033\DATES.XML bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\AppPackageAppList.targetsize-16.png bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-ul-phn.xrm-ms bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe"C:\Users\Admin\AppData\Local\Temp\bc381dbeff70b5869fa737860c8cd8a8684cc768981beb55543499efcd32bab7.exe"1⤵
- Drops desktop.ini file(s)
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:760
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5076680533f4532887785d01008333d03
SHA1f905e2e829ce0e7c705a91b2955190ca3b570a9f
SHA256b10c320756cb87d789a56e832297552ba183c197a65153e0c504761cec07251c
SHA51259cdf9012ea8f6720c441f5b35f129bbf828d68a97f0be45f23ba21fbb51bc18ee4a9dce05cd6017c6615a7147e730b6ce765b9dd6b51f924894d0f4248d5030