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Analysis
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max time kernel
120s -
max time network
91s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19/09/2024, 05:46
Behavioral task
behavioral1
Sample
a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe
Resource
win10v2004-20240802-en
General
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Target
a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe
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Size
60KB
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MD5
305a3a3058eb3197bbf82a64b8431ae0
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SHA1
2b1bc4b2911ee92ff6eb73a684d1bfcf157edef7
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SHA256
a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0c
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SHA512
3917240645a2acd7ef93f63c40cc0cf14a106092d2953278a3c758474c362da4eb071a6161f0d5587c5253a798b37145a6bd49d9877c0eaa8d494e25bc8f8a4e
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SSDEEP
768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2aDM9uA9DM9uAFIR:CTWn1++PJHJXA/OsIZfzc3/Q8IZaif
Malware Config
Signatures
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Renames multiple (4647) 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/2896-0-0x0000000000400000-0x000000000040A000-memory.dmp upx behavioral2/files/0x00080000000234d8-2.dat upx behavioral2/files/0x0014000000022913-6.dat upx behavioral2/memory/2896-888-0x0000000000400000-0x000000000040A000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Microsoft Office\root\Office16\1033\EXPTOOWS.DLL.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOHEV.DLL.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\Microsoft.VisualBasic.Forms.resources.dll.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\WindowsFormsIntegration.resources.dll.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\asm.md.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Frosted Glass.eftx.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_OEM_Perp-pl.xrm-ms.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Controls.Ribbon.resources.dll.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Xaml.resources.dll.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Red.xml.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Gill Sans MT.xml.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Office16\NL7MODELS0009.dll.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\zh-changjei.xml.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\WindowsBase.resources.dll.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\PresentationCore.resources.dll.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial2-ul-oob.xrm-ms.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Office16\MEDIA\LASER.WAV.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\i640.cab.cat.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\WindowsBase.resources.dll.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\POWERMAPCLASSIFICATION.DLL.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\ReachFramework.resources.dll.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-runtime-l1-1-0.dll.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Trial-pl.xrm-ms.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\SIST02.XSL.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\et\msipc.dll.mui.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019MSDNR_Retail-ppd.xrm-ms.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.Specialized.dll.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Console.dll.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Xaml.resources.dll.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\wpfgfx_cor3.dll.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\LogoCanary.png.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.resources.dll.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Internet Explorer\ja-JP\ieinstal.exe.mui.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_ko.properties.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Client\C2R64.dll.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\PRIVATE_ODBC32.dll.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\ReachFramework.resources.dll.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\jce.jar.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe.config.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\GostTitle.XSL.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail-ppd.xrm-ms.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Compression.ZipFile.dll.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\UIAutomationTypes.resources.dll.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\UIAutomationTypes.resources.dll.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\cmm\PYCC.pf.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Trial-pl.xrm-ms.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp6-ul-oob.xrm-ms.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOSVG.DLL.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TipTsf.dll.mui.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-localization-l1-2-0.dll.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Thread.dll.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_OEM_Perp-ppd.xrm-ms.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Trial-pl.xrm-ms.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\7-Zip\Lang\gu.txt.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Core.dll.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-ppd.xrm-ms.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Trial-pl.xrm-ms.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-ppd.xrm-ms.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial3-pl.xrm-ms.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Common Files\microsoft shared\ink\et-EE\tipresx.dll.mui.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.SecureString.dll.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Transactions.dll.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_OEM_Perp-ul-phn.xrm-ms.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTrial-ppd.xrm-ms.tmp a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.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 a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe"C:\Users\Admin\AppData\Local\Temp\a77f2948ff4f8da394a849cc93609bbb954ab42294b2c5612ec66ae512136d0cN.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2896
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60KB
MD5a34a0c4613baa4350ccb18a0ea0998c4
SHA1f81addc11580c0242454f4f59222426e5c43a81a
SHA2564de2451a6c544a8300011ea41f1c1de27dd917ce50d358abc0b60ac1172cae83
SHA512b05553f2ad7a466e5dbe85cce6da563d35125671cce65cc774a7de91aa704e40e198aea5b3129d3429f08c1b66a85bd3ecbaa97050b1db81599e294e80fd1f31
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Filesize
159KB
MD5e1a15f11ce83fe8e74c24d0f97d35c81
SHA1f72172ac727a7acc980d8a378ab9e13f4423fb1b
SHA2569dcb76aaba33d0fe0956c70b6dbff68e4dd0ab7752c584b75ffb905769a2f095
SHA5127d6c0fb3b6cf79d47c2fd529870f910d308714620f5ac501c7df02571647e0e7ab5e2ffb1c05437a73a5466c3c068edc34affc1e4d079ed0b30df61f67296b9e