Resubmissions
28-02-2024 18:31
240228-w6jpgsah67 1028-02-2024 18:30
240228-w5h2kaag7s 1011-01-2024 08:38
240111-kj2e8sddf8 1011-01-2024 08:35
240111-kg362sddb7 1026-07-2021 12:39
210726-18w9pcbxzs 10Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
28-02-2024 18:30
Static task
static1
Behavioral task
behavioral1
Sample
10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe
Resource
win10v2004-20240226-en
General
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Target
10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe
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Size
1.3MB
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MD5
9f05994819a3d8c1a3769352c7c39d1d
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SHA1
eb2457196e04dfdd54f70bd32ed02ae854d45bc0
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SHA256
10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da
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SHA512
32cac848f47a0096773435c6365fcbd6bdb02115aae2677aec5a86031b6def938033210fdcf0e12f735aa5ceb8cd4be5f7edb5cdc437bbca61f0d79196ec9be8
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SSDEEP
24576:LU5NX2yJOiUXmEICxu2WAP0NIzkQM+KpPRQ9StIUDpl1fpxkzVZgMCST:L7XP7P9o5QzUtl1fpxkzVZgMCA
Malware Config
Extracted
C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\es\readme.txt
dearcry
Signatures
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DearCry
DearCry is a ransomware first seen after the 2021 Microsoft Exchange hacks.
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Renames multiple (1341) 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) 2 IoCs
Processes:
10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exedescription ioc process File opened for modification C:\$Recycle.Bin\S-1-5-21-609813121-2907144057-1731107329-1000\desktop.ini 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\desktop.ini 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe -
Drops file in Program Files directory 64 IoCs
Processes:
10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exedescription ioc process File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\api-ms-win-core-util-l1-1-0.dll 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\coreclr.dll 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.Resources.Reader.dll 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\Google\Chrome\Application\106.0.5249.119\VisualElements\SmallLogoCanary.png.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\es\System.Xaml.resources.dll.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\ja\System.Windows.Input.Manipulations.resources.dll.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\de\UIAutomationClient.resources.dll 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\pl\PresentationUI.resources.dll.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.Private.DataContractSerialization.dll 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\pl\System.Windows.Controls.Ribbon.resources.dll 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\es\System.Windows.Forms.Primitives.resources.dll 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.pt-pt.dll.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.Data.DataSetExtensions.dll.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\tr\PresentationUI.resources.dll 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\fr\PresentationUI.resources.dll.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\ReachFramework.dll.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\System.Net.HttpListener.dll.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\System.Private.Uri.dll 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\ja\UIAutomationClient.resources.dll 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-timezone-l1-1-0.dll.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\Java\jdk-1.8\include\jvmti.h 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\dotnet\dotnet.exe.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.Net.dll.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\de\WindowsFormsIntegration.resources.dll.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javap.exe 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\DirectWriteForwarder.dll.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\dotnet\ThirdPartyNotices.txt.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\Java\jdk-1.8\bin\jmap.exe.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.hr-hr.dll 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\desktop.ini 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.Xml.dll 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\ja\WindowsFormsIntegration.resources.dll.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\tr\System.Windows.Forms.Design.resources.dll 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\Java\jdk-1.8\javafx-src.zip.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\fr\System.Windows.Forms.resources.dll 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\es\WindowsFormsIntegration.resources.dll 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\ja\UIAutomationTypes.resources.dll 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.id-id.dll.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\api-ms-win-core-processthreads-l1-1-0.dll.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.Xml.dll.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\de\Microsoft.VisualBasic.Forms.resources.dll.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\es\System.Windows.Forms.Design.resources.dll 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\dotnet\ThirdPartyNotices.txt 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_heb.xml 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\api-ms-win-crt-math-l1-1-0.dll 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\api-ms-win-crt-stdio-l1-1-0.dll 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\pl\UIAutomationProvider.resources.dll 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\zh-Hans\System.Xaml.resources.dll.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\api-ms-win-crt-conio-l1-1-0.dll 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\System.Reflection.Emit.ILGeneration.dll.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.IO.IsolatedStorage.dll.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\cs\UIAutomationTypes.resources.dll 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\zh-Hant\UIAutomationClientSideProviders.resources.dll.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\7-Zip\Lang\vi.txt.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\Alphabet.xml 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\msquic.dll 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.IO.IsolatedStorage.dll 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\Google\Chrome\Application\chrome.VisualElementsManifest.xml.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\de\UIAutomationTypes.resources.dll 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\System.Diagnostics.EventLog.Messages.dll.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\es\PresentationFramework.resources.dll 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe.CRYPT 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-namedpipe-l1-1-0.dll 10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe
Processes
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
544KB
MD54f170e3fa138b516b7e0778b7d03bf87
SHA1f3d508c7adf5d801a01af328fc7522934c7e5d34
SHA256402f192b22b38490830300cc707b8afa145fa6b3ffd7f0775e020e69df02e00b
SHA512f222cc4e79ea8c6f5f019fbdd611678647ff2e3d4027612a05d4837a13617fb85eb3c594132ede4c580ee1f4050b8fa1d852248fdc3d7cb6c1e1470a1b0593f5
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Filesize
223B
MD5b393beeec90b2f392c7987a7f551daf0
SHA12f95f7a7f381818f6c1b490214754cc8b7e1e753
SHA256975a34d6df880cd3b15597806a20b9f295d27d237b7d045a5d31c42e30a6e4c3
SHA51258434ac475e48053cd8aca9c51e55e9d76fe05ea3e346869400021dff8bb832f38ebac4dc76f9325a6e2293f06494805b5618ee8073c5ea78b2355b6e9c4a9d1