Analysis Overview
SHA256
88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d
Threat Level: Likely malicious
The file 88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d was found to be: Likely malicious.
Malicious Activity Summary
Renames multiple (3552) files with added filename extension
Renames multiple (5189) files with added filename extension
Drops file in Program Files directory
Unsigned PE
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-06-16 23:32
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-16 23:32
Reported
2024-06-16 23:35
Platform
win7-20240508-en
Max time kernel
150s
Max time network
123s
Command Line
Signatures
Renames multiple (3552) files with added filename extension
Drops file in Program Files directory
Processes
C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe
"C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe"
Network
Files
C:\$Recycle.Bin\S-1-5-21-3691908287-3775019229-3534252667-1000\desktop.ini.tmp
| MD5 | e4881439beef2029cc8fbca51f480fb8 |
| SHA1 | 1a75b33c6bdcb1b757826545b8ce85dda1c1dc49 |
| SHA256 | 52570001b143df398d77d51cb5d4968bfb4629cf31732ac983795a10f89d006e |
| SHA512 | 0f81d0079b406e57d0e1f20cba7ba421751c250f6891d437b37b2e77d639257f1eb3a3e18f5768453f5bef42fc7c0f8f5ddd628446ab81517492e47acd8003c0 |
C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.xml.tmp
| MD5 | 56dbe35c20c2a66f5518253049536744 |
| SHA1 | 75242ab1af7ddc61e6dcdc080f8fbc2e94fafc5c |
| SHA256 | 69a729f4c480bc381990fad4baccdbe84e6f3997cbd5fc04ee15889ef9eaf4ea |
| SHA512 | e0eac610a79eb734a958ba68133fe9dab04a8d9b3647afb98c6543fbed4fecac95612e66d7a696b33d46e69aaa161b490e2abc25b781a22d769d3397d7882003 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-16 23:32
Reported
2024-06-16 23:35
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
53s
Command Line
Signatures
Renames multiple (5189) files with added filename extension
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Java\jre-1.8\lib\fontconfig.bfc.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\1033\EXPTOOWS.DLL.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial-ppd.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\1033\ClientLangPack2019_eula.txt.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_COL.HXC.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.TraceSource.dll.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\ur.pak.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\word2013bw.dotx.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\MSOHEVI.DLL.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Common Files\microsoft shared\VC\msdia100.dll.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Common Files\System\ado\msado15.dll.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Tasks.Dataflow.dll.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.DataWarehouse.DLL.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\Configuration\config.xml.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\vfs\Fonts\private\CENTURY.TTF.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Common Files\microsoft shared\ink\fr-FR\rtscom.dll.mui.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Encoding.dll.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationClientSideProviders.resources.dll.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTrial-pl.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\wordvisi.ttf.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationClientSideProviders.resources.dll.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\UIAutomationTypes.resources.dll.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail2-ul-phn.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Document.dll.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_KMS_Client-ppd.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\1033\POWERPNT_F_COL.HXK.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\vfs\Common AppData\Microsoft Help\MS.SPREADSHEETCOMPARE.16.1033.hxn.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\mscordaccore_amd64_amd64_8.0.224.6711.dll.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\UIAutomationTypes.resources.dll.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\WindowsFormsIntegration.resources.dll.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Retail-pl.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\id.pak.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-conio-l1-1-0.dll.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Client\mfc140u.dll.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Retail-ul-oob.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Common Files\microsoft shared\ink\IpsPlugin.dll.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.CSharp.dll.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Buffers.dll.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Windows.Forms.Primitives.resources.dll.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_MAKC2R-ppd.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\ExcelCtxUIFormulaBarModel.bin.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL089.XML.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.zh-tw.dll.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Common Files\microsoft shared\ink\ipshi.xml.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\MSIPC\ms\msipc.dll.mui.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected] | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Common Files\microsoft shared\ink\Content.xml.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_MAK_AE-ppd.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\FPA_f14\FA000000014.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription2-ppd.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial1-ppd.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019VL_MAK_AE-ppd.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\7-Zip\Lang\tr.txt.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Linq.Queryable.dll.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\UIAutomationClientSideProviders.resources.dll.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Retail-ul-phn.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Common Files\microsoft shared\ink\tabskb.dll.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Common Files\microsoft shared\MSInfo\it-IT\msinfo32.exe.mui.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Web.HttpUtility.dll.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-locale-l1-1-0.dll.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\ea-sym.xml.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Windows.Forms.Design.resources.dll.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-white_scale-100.png.tmp | C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe
"C:\Users\Admin\AppData\Local\Temp\88fb741b39ba8b55e870daa68c71fc7ad18eb802d62a8a4a81a14db4a2a4502d.exe"
Network
Files
C:\$Recycle.Bin\S-1-5-21-3558294865-3673844354-2255444939-1000\desktop.ini.tmp
| MD5 | f6b6f3af1f07de7b72d727d5f3eca0a5 |
| SHA1 | 5b57f50c1e265ffd24b892f04e80863aad855d60 |
| SHA256 | 4f096dc69a63cb7d8c9e5caf43c9a3ab4e99f1ee203d0b818695fb8819642246 |
| SHA512 | 67e134e09b78eb9b1b39bba1a592eefb16cb3420d5eb98c5863968834bf626cebb1abd588f6eba25ba899aa1025f37f19ea5d1156a2133b06ddd6862297a1098 |
C:\Program Files\7-Zip\7-zip.dll.tmp
| MD5 | 791e6460814d9db83932942f33a09593 |
| SHA1 | 3de649da897fe40bf8e9d05019e0115ff91e6617 |
| SHA256 | f9447b58689896838ab07be5d95c5e41e519fac809cc9df987681ff90e7e7af5 |
| SHA512 | 4c65c62e66568024227c53569c698bc8a01d73c24c215df34f53908adf3f55bd994d3cebd6f8f55c56c663573898f2d8235473ae542ca0df07bbc05d7d6752f3 |