Analysis
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max time kernel
150s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20-10-2024 01:26
Behavioral task
behavioral1
Sample
b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe
Resource
win10v2004-20241007-en
General
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Target
b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe
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Size
52KB
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MD5
ae1a89352084bcac1bbf4715a9b6ad95
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SHA1
e1441f378036a05ea10e1a052a97e3a468380cba
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SHA256
b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c
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SHA512
a65a9be904bd44a3db322823766bf11a449d58f4fc74ccf2524685d55377d781b1fc67090c5fe50b67e221e53c11fab86f9881dc1543a63a32495e7484944bcc
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SSDEEP
768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9X:V7Zf/FAxTWoJJ7Td
Malware Config
Signatures
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Renames multiple (5169) 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/4640-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x000d000000023b0d-2.dat upx behavioral2/files/0x001400000002292e-6.dat upx behavioral2/memory/4640-696-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_OEM_Perp-ul-phn.xrm-ms.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Common Files\microsoft shared\ink\en-US\mshwLatin.dll.mui.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.NonGeneric.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Data.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Java\jdk-1.8\bin\javaws.exe.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-interlocked-l1-1-0.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Java\jre-1.8\bin\sspi_bridge.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Java\jre-1.8\legal\jdk\jcup.md.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Common Files\microsoft shared\ink\hwrlatinlm.dat.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationNative_cor3.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\logging.properties.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Redshift\lib\sbicuuc53_64.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\hostpolicy.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.TextWriterTraceListener.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebClient.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jli.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_MAKC2R-ul-oob.xrm-ms.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected] b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Common Files\System\msadc\fr-FR\msdaremr.dll.mui.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Controls.Ribbon.resources.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Java\jre-1.8\bin\hprof.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Licenses16\c2rpridslicensefiles_auto.xml.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_KMS_Client-ul.xrm-ms.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_MAKC2R-ul-phn.xrm-ms.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.DriveInfo.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ReachFramework.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Presentation.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\UIAutomationClient.resources.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Trial-ppd.xrm-ms.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN105.XML.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscordaccore.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Diagnostics.PerformanceCounter.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\wpfgfx_cor3.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Java\jdk-1.8\jre\Welcome.html.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-console-l1-2-0.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\CLVWINTL.DLL.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\MSIPCEvents.man.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Common Files\System\ado\msado25.tlb.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Forms.Design.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Java\jre-1.8\legal\javafx\public_suffix.md.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Java\jre-1.8\lib\ext\sunec.jar.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Retail-pl.xrm-ms.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Grace-ppd.xrm-ms.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ValueTuple.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\sound.properties.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_OEM_Perp-ul-oob.xrm-ms.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.VisualBasic.Core.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Tasks.Extensions.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Security.Cryptography.ProtectedData.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-string-l1-1-0.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\hprof.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_OEM_Perp-ul-oob.xrm-ms.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\id.pak.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\vi.pak.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\decora_sse.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Candara.xml.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-ul-oob.xrm-ms.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\WindowsFormsIntegration.resources.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\UIAutomationClient.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Java\jre-1.8\lib\security\policy\unlimited\local_policy.jar.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTrial-pl.xrm-ms.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\mashupcompression.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.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 b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe"C:\Users\Admin\AppData\Local\Temp\b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4640
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
53KB
MD5d3cad590f95b731d7a54b05568d93f78
SHA1971e78b3befbfd0890d390b67a76da41fad60459
SHA256682a02c74ede5b82522fb002b5a93d87121ecd92d464253038cdd8f191bc4c9e
SHA512390b265a98cab8b8d5cda44add86d9bb3d3243a32610df6b0c64701009c6bc456fbad7202c9975ada86bcac2fd9dbd77c27939d0f578fc7214b609cc3ba7a493
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Filesize
151KB
MD5e10f69baffb065712b643ef076ff2dc7
SHA12d2c0bdfad38ddb2b89eea636917e94470a7f7c7
SHA256e38a3519b57f31a3c02e6e03cbe15366b305a9a2a364a93dc89ca2c48032d5e2
SHA512309f544b94fffb8d1234f86f377fc16f05eba6f3afe6b4058f96bd9a605afd2a57ea2d5dc905007b8bac935ca827070a29a1dfd65990cd8684cfe988e8230697