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Analysis
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max time kernel
120s -
max time network
110s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
23/08/2024, 01:01
Behavioral task
behavioral1
Sample
b92cb55b01e72326bcf4b7ecbf57ca20N.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
b92cb55b01e72326bcf4b7ecbf57ca20N.exe
Resource
win10v2004-20240802-en
General
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Target
b92cb55b01e72326bcf4b7ecbf57ca20N.exe
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Size
47KB
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MD5
b92cb55b01e72326bcf4b7ecbf57ca20
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SHA1
4a632d1b9775202cc6a6d06af5ae4b9b9cbe5419
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SHA256
bed910c93c060aa5b336a06b7715d2716bcb0060781c3c334869ebe9d1a9fa58
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SHA512
b435a285f641e85bf6b5d690f1c5dd6a19871d9007ba53fbbbf7778cc271a7c39e62c7946c719704dd78bc304a2df7c6c0ea761bc3bc1840485b356cb23ce556
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SSDEEP
768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9DJKGJKL:V7Zf/FAxTWoJJ7ThJKGJKL
Malware Config
Signatures
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Renames multiple (4652) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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resource yara_rule behavioral2/memory/2716-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x0008000000023493-2.dat upx behavioral2/files/0x0014000000022913-6.dat upx behavioral2/memory/2716-870-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Dynamic.Runtime.dll.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Security.dll.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Encoding.dll.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp3-ul-oob.xrm-ms.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial1-ul-oob.xrm-ms.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_Subscription-ul-oob.xrm-ms.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Common Files\System\ado\msado26.tlb.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Common Files\System\Ole DB\msdasql.dll.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE_WHATSNEW.XML.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_PrepidBypass-ul-oob.xrm-ms.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-pl.xrm-ms.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOADFPS.DLL.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\instrument.dll.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\msotelemetryintl.dll.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Windows.Controls.Ribbon.resources.dll.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_CopyDrop32x32.gif.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00E2-0000-1000-0000000FF1CE.xml.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial5-ul-oob.xrm-ms.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_Retail-ul-oob.xrm-ms.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Office16\ChakraCore.Debugger.dll.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\7-Zip\Lang\ta.txt.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Core.dll.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_KMS_Client-ul-oob.xrm-ms.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Retail-pl.xrm-ms.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\Microsoft.VisualBasic.Forms.resources.dll.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0018-0000-1000-0000000FF1CE.xml.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\th.pak.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Java\jdk-1.8\lib\packager.jar.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-pl.xrm-ms.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail2-ul-phn.xrm-ms.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\WPFEXTENSIONS.DLL.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Office16\GKExcel.dll.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Windows.Forms.Primitives.resources.dll.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\ReachFramework.resources.dll.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Office16\mscss7fr.dll.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationClientSideProviders.resources.dll.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Extensions.dll.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\ecc.md.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.Office.Tools.Common.v4.0.Utilities.dll.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART10.BDR.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Common Files\microsoft shared\ink\micaut.dll.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Threading.AccessControl.dll.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Office16\Library\SOLVER\SOLVER32.DLL.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.Specialized.dll.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\zh-TW.pak.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Client\C2R32.dll.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\en-US.pak.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-runtime-l1-1-0.dll.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest2-ul-oob.xrm-ms.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_MAKC2R-ul-oob.xrm-ms.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\hr\msipc.dll.mui.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Common Files\microsoft shared\VSTO\10.0\1033\VSTOLoaderUI.dll.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.AccessControl.dll.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-pl.xrm-ms.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp6-ul-oob.xrm-ms.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_OEM_Perp-ul-phn.xrm-ms.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-ppd.xrm-ms.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Xaml.resources.dll.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jsdt.dll.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Xaml.dll.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp-ppd.xrm-ms.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Retail-pl.xrm-ms.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\7-Zip\Lang\de.txt.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.exe File created C:\Program Files\Common Files\microsoft shared\MSInfo\fr-FR\msinfo32.exe.mui.tmp b92cb55b01e72326bcf4b7ecbf57ca20N.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 b92cb55b01e72326bcf4b7ecbf57ca20N.exe
Processes
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
47KB
MD59cead6945181d2d35a7d4549a2287ef5
SHA1bdb917955a3257a7cf48e87eac9d6c3782909e88
SHA256ed3bdf106aec4d875e81a669f82366a3ca9bdf95c91a23fec29a2d67d58cfc98
SHA5122ba3ef2c64b31d40d8d8a7bc04d0d53d684acbd7b88a8f5a5dd3525b9db0a13ba069bc8dfb8d81e1fd0381d2b4bee6680d49cdec9342dff8cbb3978d409169dd
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Filesize
146KB
MD54db6f48635729d3cff6f04b4bb7a71d3
SHA1a2afdef3b2fa96b3a6f71e0758a852e39c72cf8e
SHA2561e077c5ab9500d4f3f648d1745f68eb955de5e6b22e5a9361e29042078f21711
SHA512a49af1a55694251c6a28c75b34869a7e32385a72c29e413b7d84c63135d858ec2288018522a8d515bff09e03b2b9eac94c6907c649bf5766ff32f78b96bbd3e0