Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
07/06/2024, 09:28
Behavioral task
behavioral1
Sample
f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe
Resource
win7-20240221-en
windows7-x64
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe
Resource
win10v2004-20240426-en
windows10-2004-x64
4 signatures
150 seconds
General
- Target f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe
- Size 78KB
- Sample240607-lflfaaeb61
- SHA256 f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41
- MD5 08d9953525b542f2e9b8a2aad282125e
- SHA1 e48c59eafe7dca6eec9fe3553ecfd02527171527
- SHA512 9a359f954726ff831e0a5e0685acbef677da2bb467f1f632bcb50cc25220e5f1f5573918bfc497752c0311d57ac55fe4f688fed6c00f7f932e2374fdcdc2ca15
- SSDEEP 1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8YH:fnyiQSoN
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Renames multiple (5192) 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/3696-0-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/files/0x0006000000022f1f-2.dat UPX behavioral2/files/0x000800000002294e-6.dat UPX behavioral2/memory/3696-1918-0x0000000000400000-0x000000000040B000-memory.dmp UPX -
resource yara_rule behavioral2/memory/3696-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x0006000000022f1f-2.dat upx behavioral2/files/0x000800000002294e-6.dat upx behavioral2/memory/3696-1918-0x0000000000400000-0x000000000040B000-memory.dmp upx - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.dll.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\xerces.md.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART11.BDR.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-black_scale-180.png.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\UIAutomationTypes.resources.dll.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Java\jre-1.8\bin\j2pkcs11.dll.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\PREVIEWTEMPLATE.POTX.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.ConnectionUI.Dialog.dll.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_KMS_Client_AE-ul.xrm-ms.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_MAK_AE-ppd.xrm-ms.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\DataStreamerLibrary.dll.config.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Numerics.Vectors.dll.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Presentation.dll.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_OEM_Perp-ul-phn.xrm-ms.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-ul-oob.xrm-ms.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_OEM_Perp-pl.xrm-ms.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp5-ul-phn.xrm-ms.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Office16\PROOF\msth8EN.DLL.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.es-es.dll.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\UIAutomationClient.resources.dll.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\Microsoft.VisualBasic.Forms.resources.dll.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\management\jmxremote.access.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\ReachFramework.resources.dll.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\PresentationUI.resources.dll.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\mesa3d.md.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Personal2019DemoR_BypassTrial180-ppd.xrm-ms.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Office16\PPCORE.DLL.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Common Files\microsoft shared\ink\ro-RO\tipresx.dll.mui.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOMessageProvider.dll.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\javafx\public_suffix.md.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-environment-l1-1-0.dll.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\asm.md.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Integration\C2RManifest.OSM.OSM.x-none.msi.16.x-none.xml.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_OEM_Perp-ul-oob.xrm-ms.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Common Files\microsoft shared\ink\zh-TW\tipresx.dll.mui.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.FileVersionInfo.dll.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.Design.resources.dll.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jfxmedia.dll.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\WindowsBase.dll.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Integration\C2RManifest.OSMUX.OSMUX.x-none.msi.16.x-none.xml.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\rsod\osmuxmui.msi.16.en-us.boot.tree.dat.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipsid.xml.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTrial-ppd.xrm-ms.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Retail-pl.xrm-ms.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected] f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\vfs\Fonts\private\DUBAI-MEDIUM.TTF.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\7-Zip\Lang\cy.txt.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.DataAnnotations.dll.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_SubTrial-ul-oob.xrm-ms.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\shaded.dotx.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Retail-pl.xrm-ms.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessEntryR_PrepidBypass-ppd.xrm-ms.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL011.XML.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Principal.Windows.dll.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Input.Manipulations.resources.dll.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Java\jre-1.8\lib\fonts\LucidaSansRegular.ttf.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Retail-pl.xrm-ms.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\7-Zip\Lang\zh-cn.txt.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\UIAutomationTypes.resources.dll.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Java\jre-1.8\bin\server\classes.jsa.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_OEM_Perp-ul-phn.xrm-ms.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-black_scale-180.png.tmp f8f5a42ed12fd745f597e0ee1729b28a8497cc35792ca74935e4d741624d0d41.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 78KB
- SHA256 fd4c9b4425e8e40f5366f0dbcefa5be72e7722422e7c8fde20de3b365a20523d
- MD5 4dc6667549f7a280bc8a01a3d46544f6
- SHA1 8596e5ab3401c1567d548d9d65d95127867a1380
- SHA512 e51b6bea8e93858ccb7b7f5dcebeddd1e0f0c8269f8df273295dfec8fd0de590e5863fe5ac47044d3cc64b774c751cc8d73f00cefce541f4789842bc18bd26d7
- SSDEEP 1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8YR:fnyiQSoH
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 177KB
- SHA256 a24b86f5ac39912e0b6baf33d04612301f85add9510eb50833fc017f14024606
- MD5 88a3fbfbbb9596ec2db94d7749a525b2
- SHA1 4850709aee07bd176ca72aa45c936a2f39ba4b7e
- SHA512 cbc2453c60f14b798cab01e871da60fd2da2e58241d03a9c5fb551d05dd050c201e13da20440927dad964a10e90b93662fc4c519d8de76df1fa9802403f454b2
- SSDEEP 1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8YH4pWHlPEXZzjUq3th5f6utM5vLNinV4:fnyiQSowWHIjN3tj6qnv0b2UrXkbvLG
- MD5 SHA1 SHA512 SSDEEP