Analysis Overview
SHA256
b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af
Threat Level: Likely malicious
The file b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af was found to be: Likely malicious.
Malicious Activity Summary
Renames multiple (3478) files with added filename extension
Renames multiple (4807) files with added filename extension
Drops file in Program Files directory
Unsigned PE
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-06-11 02:26
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-11 02:26
Reported
2024-06-11 02:29
Platform
win7-20240508-en
Max time kernel
150s
Max time network
120s
Command Line
Signatures
Renames multiple (3478) files with added filename extension
Drops file in Program Files directory
Processes
C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe
"C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe"
Network
Files
C:\$Recycle.Bin\S-1-5-21-2737914667-933161113-3798636211-1000\desktop.ini.tmp
| MD5 | 20921e67fca906cdacd565eedb205fa8 |
| SHA1 | c475ad221752cbeddb29581057a7e2b05a4eaeb2 |
| SHA256 | de1526193e8d28288dc14932c2554302a17504876b01f529aef7000e500f2eda |
| SHA512 | d506d6a80292edaacdc1b84ac4bb628409a964ae0279614dff03ebe7e9ac90c556b28c4c0d5cda00253f0729d21723aa0e1afbc4f719806449a89164d0e8f4c7 |
C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.xml.tmp
| MD5 | 24c4e7cada57e96ec83b003f74621262 |
| SHA1 | ffde654d13b38d95c2b73c0bd05cc234e7be03fe |
| SHA256 | 449dfa9faacd2f8452fa311e13d2fb02dba7de28b23f13f98ce7363e50925c0f |
| SHA512 | b954d9865e973b771fe9a3acf96d029917383905d7e6fba2020d4f9f75b17bbac6cd1b345f665a19f2bb614b4c3320bf1e3f7921f09da4a048479963d8dc27c0 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-11 02:26
Reported
2024-06-11 02:29
Platform
win10v2004-20240426-en
Max time kernel
150s
Max time network
97s
Command Line
Signatures
Renames multiple (4807) files with added filename extension
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-file-l2-1-0.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\1033\CLVWINTL.DLL.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\1033\officeinventoryagentlogon.xml.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Google\Chrome\Application\master_preferences.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Java\jdk-1.8\jre\bin\mlib_image.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_OEM_Perp-ppd.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Java\jdk-1.8\jre\legal\jdk\xalan.md.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_OEM_Perp-ul-oob.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\pkeyconfig-office-client15.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-black_scale-180.png.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\7-Zip\Lang\ro.txt.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-filesystem-l1-1-0.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-processenvironment-l1-1-0.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscordaccore_amd64_amd64_7.0.1624.6629.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\UIAutomationTypes.resources.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.Edm.NetFX35.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_ca.xml.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\symbase.xml.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Encoding.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\MSIPC\sr-Cyrl-BA\msipc.dll.mui.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\msoutilstat.etw.man.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.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\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.WindowsDesktop.App.runtimeconfig.json.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Java\jre-1.8\lib\security\javaws.policy.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Java\jdk-1.8\jre\bin\vcruntime140_1.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Grace-ppd.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Metadata.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Windows.Forms.Design.resources.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Forms.resources.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\ReachFramework.resources.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest1-ppd.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\OpenSSL64.DllA\libssl-1_1-x64.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Common Files\microsoft shared\ink\ipssrl.xml.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\Microsoft.VisualBasic.Forms.resources.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Grace-ppd.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Royale.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\PresentationCore.resources.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\UIAutomationProvider.resources.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\UIAutomationTypes.resources.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-file-l1-1-0.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\7-Zip\7-zip.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\PresentationUI.resources.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\WindowsBase.resources.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Orange.xml.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.PowerBI.AdomdClient.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.scale-80.png.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_KMS_Client-ul.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Common Files\System\de-DE\wab32res.dll.mui.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Encodings.Web.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_MAK-ul-phn.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\1033\Client2019_eula.txt.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\WindowsBase.resources.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Java\jdk-1.8\jre\lib\cmm\GRAY.pf.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0016-0000-1000-0000000FF1CE.xml.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Common Files\microsoft shared\ink\Alphabet.xml.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_Grace-ul-oob.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\GB.XSL.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Trial2-ppd.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Common Files\System\msadc\ja-JP\msadcor.dll.mui.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Mail.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Inset.eftx.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-multibyte-l1-1-0.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\ONBttnWD.dll.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL022.XML.tmp | C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe
"C:\Users\Admin\AppData\Local\Temp\b7f91dd964de6b22cad0c721999ec8583d54395e5b3037bead3a4112824087af.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 6.160.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
Files
C:\$Recycle.Bin\S-1-5-21-4018855536-2201274732-320770143-1000\desktop.ini.tmp
| MD5 | f6f94a75fdcad54f184d199866c2fd40 |
| SHA1 | 7297582a089a0990b4087e287c74d1cae1d06d60 |
| SHA256 | 1e2a0340fbfece4bf031eb739882ad56e77027dd96e5507f2306c385a93d7b30 |
| SHA512 | c95d6077867701c3f27f2a9ac3d6400e02f421ee21c0f099fa5cf33465a59d2a477dc57dc2ddc382cdda1fba3915d802e8ae0f9e38e0237a36b099ff0fedbdae |
C:\Program Files\7-Zip\7-zip.dll.tmp
| MD5 | 5dc8afb35e55f9a17e38cefcfe6927d0 |
| SHA1 | a5fb3ab7c4402c37487e1e5a1e530236fceee88c |
| SHA256 | 02f8b4a8dba5feaaa7b55f9379501c650d9edb0b46621dc0331de1a7113258d7 |
| SHA512 | 3da42f80cb1082028de94e6f959d6d34643ea5822bedf15b6d6429ae2827d8039b25bcce249bc34b0cb10dd174a03b146ddeabb2c7b7c892eecd20e72b408f72 |