Analysis
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max time kernel
149s -
max time network
150s -
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 03:37
Behavioral task
behavioral1
Sample
efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe
Resource
win10v2004-20241007-en
General
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Target
efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe
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Size
55KB
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MD5
0c855112ecd43d019fa367d931c2d021
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SHA1
b65d049651d30f25f08719fc25ee2fc72a75560b
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SHA256
efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178
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SHA512
affb03f16606f833ffa3c5240df92badfd1f07ec11b5f5565ccb599dd3015a5b84f71e34a856431cbc445e746285bc2cd7230f2d382f8ff9a7dc8bd3137dc1bb
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SSDEEP
768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9kd0R:V7Zf/FAxTWoJJ7Tad0R
Malware Config
Signatures
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Renames multiple (5025) 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/3268-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x0008000000023c5f-2.dat upx behavioral2/files/0x00140000000228f9-6.dat upx behavioral2/memory/3268-780-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_OEM_Perp-pl.xrm-ms.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-pl.xrm-ms.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Trial-ppd.xrm-ms.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\PresentationCore.resources.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Forms.Primitives.resources.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\ReachFramework.resources.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_CopyDrop32x32.gif.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_EnterpriseSub_Bypass30-ul-oob.xrm-ms.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Standard2019MSDNR_Retail-ul-phn.xrm-ms.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail2-ul-phn.xrm-ms.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-white_scale-140.png.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.AddinTelemetry.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Shims.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Excel.MDXQueryGenerator.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.DirectoryServices.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Java\jre-1.8\lib\ext\access-bridge-64.jar.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription1-ppd.xrm-ms.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_F_COL.HXK.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Office16\Microsoft.Office.PolicyTips.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.Design.resources.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL086.XML.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Office16\PersonaSpy\notice.txt.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Extensions.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\UIAutomationClient.resources.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\unlimited\local_policy.jar.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Java\jre-1.8\README.txt.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-private-l1-1-0.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Java\jre-1.8\lib\currency.data.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-math-l1-1-0.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_Grace-ul-oob.xrm-ms.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTest-pl.xrm-ms.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Java\jre-1.8\bin\dt_shmem.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.WindowsAzure.StorageClient.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\7-Zip\descript.ion.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\ko-kr.xml.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Common Files\System\Ole DB\it-IT\sqlxmlx.rll.mui.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\WindowsFormsIntegration.resources.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\libEGL.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Java\jre-1.8\lib\deploy\ffjcext.zip.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Office16\JitV.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\msipc.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\7-Zip\Lang\fur.txt.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Controls.Ribbon.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\UIAutomationClientSideProviders.resources.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\it.pak.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\currency.data.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL112.XML.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest2-ul-oob.xrm-ms.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\GostName.XSL.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskpred.xml.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Formats.Asn1.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\UIAutomationTypes.resources.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\PresentationUI.resources.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_CopyDrop32x32.gif.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Office16\MEDIA\BREEZE.WAV.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Xaml.resources.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PenImc_cor3.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Java\jre-1.8\bin\gstreamer-lite.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Java\jre-1.8\bin\prism_sw.dll.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail2-ppd.xrm-ms.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription4-ppd.xrm-ms.tmp efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.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 efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe"C:\Users\Admin\AppData\Local\Temp\efc94de13fd08da008fa80441742090e6042bca3b968905086cb599aa36eb178.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3268
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
55KB
MD5ba9b0ea484f750f12c3dee84f96320d2
SHA13298442daa8daebaf5a5fc3f2e7bba87c5a7f47b
SHA2565432ab60b9f2652e867cb0ee4256dcee3d1f42c4d58fbf57a66829d1827a4f19
SHA5127e06432922a1a9e38cceff030abefda365013a92fc59635d8d753d9c46a3a05750763b00f9dec50f8ab3881949ecf7699ed7244949134435f2b45754740c2c36
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Filesize
154KB
MD59218b55f1d711fc4a68afce1f2213fa0
SHA1bda0f82c65f9d0f0a29cc0f9372300a7cd7b5312
SHA256c4ba3a1f5200b4e152565c7462d2f7006fdcec2db0352b8cd72cd095ff904c63
SHA5124991fefd37ec56b8e169c6e968d0fb984a9d7801bc311d7063da435cbdcffb8df316c906c64126482b3cde7f6788d1d74a89f904e5377b194e8e3309d753f8ae