Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
11/06/2024, 21:49
Behavioral task
behavioral1
Sample
4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe
Resource
win7-20231129-en
windows7-x64
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe
Resource
win10v2004-20240426-en
windows10-2004-x64
4 signatures
150 seconds
General
- Target 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe
- Size 70KB
- Sample240611-1pre8atajl
- SHA256 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405
- MD5 500db998a2134f4a4691065c20d42842
- SHA1 cc35ade6434e51a85b55e23d66165b3806002fc1
- SHA512 4612d42fb56255d57d154df86b89cc7fe4633f252a64d7e9c170a0e3991014ad1f60fcbe8c3842d8d3dd5d08b47dab8737154abc8f514735b9403d0657a83fe4
- SSDEEP 1536:67Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8OEU:+nyiQSoh
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Renames multiple (5100) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
- UPX dump on OEP (original entry point) 4 IoCs
resource yara_rule behavioral2/memory/3156-0-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/files/0x000700000002327d-2.dat UPX behavioral2/files/0x000800000002294e-6.dat UPX behavioral2/memory/3156-1882-0x0000000000400000-0x000000000040B000-memory.dmp UPX -
resource yara_rule behavioral2/memory/3156-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x000700000002327d-2.dat upx behavioral2/files/0x000800000002294e-6.dat upx behavioral2/memory/3156-1882-0x0000000000400000-0x000000000040B000-memory.dmp upx - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Encoding.dll.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\UIAutomationClient.resources.dll.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Java\jdk-1.8\bin\javah.exe.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Java\jre-1.8\bin\jsoundds.dll.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\TrebuchetMs.xml.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Grace-ppd.xrm-ms.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-white_scale-80.png.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Common Files\System\Ole DB\sqloledb.rll.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Trial-pl.xrm-ms.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial3-pl.xrm-ms.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial1-ppd.xrm-ms.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-black_scale-180.png.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Java\jre-1.8\lib\meta-index.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_MAKC2R-pl.xrm-ms.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-namedpipe-l1-1-0.dll.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\PresentationUI.resources.dll.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Forms.Design.resources.dll.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Google\Chrome\Application\110.0.5481.104\VisualElements\LogoCanary.png.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Java\jdk-1.8\bin\jdb.exe.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-private-l1-1-0.dll.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_KMS_Client-ppd.xrm-ms.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Trial-pl.xrm-ms.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Office16\CSS7DATA000A.DLL.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\CancelGlyph.16.GrayF.png.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-ul-oob.xrm-ms.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.ReaderWriter.dll.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Forms.Primitives.resources.dll.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Drawing.Common.dll.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\j2pkcs11.dll.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Retail-ppd.xrm-ms.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Excel.dll.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART15.BDR.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Google\Chrome\Application\110.0.5481.104\WidevineCdm\_platform_specific\win_x64\widevinecdm.dll.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-util-l1-1-0.dll.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\PREVIEWTEMPLATE.POTX.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\lv\msipc.dll.mui.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\7-Zip\Lang\zh-cn.txt.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\PresentationCore.resources.dll.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Windows.Forms.resources.dll.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\mlib_image.dll.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\psfontj2d.properties.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTest-ul-oob.xrm-ms.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-ppd.xrm-ms.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE_COL.HXC.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\System.ValueTuple.dll.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\mashupcompression.dll.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\rsod\proof.fr-fr.msi.16.fr-fr.boot.tree.dat.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.Win32.Registry.dll.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019MSDNR_Retail-ul-phn.xrm-ms.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProMSDNR_Retail-ul-oob.xrm-ms.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-white_scale-180.png.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Office16\PersonaSpy\PersonaSpy.html.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Windows.Forms.Design.resources.dll.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Java\jre-1.8\bin\w2k_lsa_auth.dll.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Grace-ul-oob.xrm-ms.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp2-ul-phn.xrm-ms.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected] 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\java.exe.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\w2k_lsa_auth.dll.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Grace-ppd.xrm-ms.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\msquic.dll.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\WindowsBase.resources.dll.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe File created C:\Program Files\Java\jdk-1.8\bin\ktab.exe.tmp 4ef27e00752b0939f8e4ce1c23aa8eca7d7f5c6dbf831d641471b6258ea73405.exe
Processes
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\$Recycle.Bin\S-1-5-21-711569230-3659488422-571408806-1000\desktop.ini.tmp
- Size 70KB
- SHA256 bd888a3f55b1507c1b191b6098dd09ccf3091c37b1840cec9c4d11074e561174
- MD5 703e702f284a9809d65c29a08ee22f23
- SHA1 9838df1b136f0ccecb91d3dd8eeded9dd6732e56
- SHA512 2c10e6d6d491deba53a24b6dd97eec05f6bef91e6d24051b7d9d3c9f8a1c143e5692190a2bd09280e49af9a49a9b9dafe797f79bdbcc3b10cb5a0544089f243d
- SSDEEP 1536:67Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8OEu:+nyiQSof
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 169KB
- SHA256 ea15b60fd8a1ba1dd0812189aeedcf5b236b81696af54842240aca5ac44a6d18
- MD5 b9e54179a0952b6a84b9a1af74cd795c
- SHA1 e04956b2abd26da61dc0dc758203a51f0135b19f
- SHA512 5a3e433a48cdb5723b9338c6b738b7660ff23f77324ec0f5fc90904559f3f4e6a2e1b0c87b7b3767fdaac6bf2499dcd0be93224de993a2a1b90913712b3b02c0
- SSDEEP 1536:67Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8OEw4pWHlPEXZzjUq3th5f6utM5vLNinS:+nyiQSokWHIjN3tj6qnv0b2UrXkbvLa
- MD5 SHA1 SHA512 SSDEEP