f81189a2617b84dd22df81d7b97c9b17e25756dd733dc7a9c4bb66bde1e7b730

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
05/07/2024, 21:27

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General

Target

085dce08b5f4ded672c1ee530258f5d0.exe
Size

44KB
MD5

085dce08b5f4ded672c1ee530258f5d0
SHA1

6a214adc0901d5baa6fc55517b9a2bcbe98fc81e
SHA256

f81189a2617b84dd22df81d7b97c9b17e25756dd733dc7a9c4bb66bde1e7b730
SHA512

f40a3adc8817175e815657e50e323dd0338a00c46729b9a0faeb4d3f769e5ef2155bd3acc5b632a53b8ab8e0084200d07572922398e988642c2ce6fa928d9a20
SSDEEP

768:V7Blpf/FAK65euBT37CPKK0SjlV2/AW/AlhGuhGY:V7Zf/FAxTWxLld1

Score

9^/10

ransomware upx

Malware Config

Signatures

Renames multiple (5009) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1388-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023424-2.dat	upx
behavioral2/files/0x0004000000022949-6.dat	upx
behavioral2/memory/1388-1788-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\EXCELPLUGINCORE.DLL.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ExcelFloatieTextModel.bin.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebSockets.dll.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-console-l1-2-0.dll.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTest-pl.xrm-ms.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Retail-pl.xrm-ms.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_Subscription-ul-oob.xrm-ms.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\CHIMES.WAV.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Redshift\lib\OpenSSL64.DllA\libeay32.dll.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Controls.Ribbon.resources.dll.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\PresentationUI.resources.dll.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Java\jre-1.8\lib\jfr.jar.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest4-pl.xrm-ms.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Memory.dll.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework-SystemData.dll.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremDemoR_BypassTrial365-ul-oob.xrm-ms.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\GKWord.dll.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Common Files\System\ado\adovbs.inc.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-environment-l1-1-0.dll.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\UIAutomationTypes.resources.dll.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_COL.HXT.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Retail-ul-phn.xrm-ms.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSO0127.ACL.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Common Files\System\Ole DB\sqloledb.rll.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Tasks.Extensions.dll.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaTypewriterBold.ttf.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp4-ul-oob.xrm-ms.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\Send2.16.White.png.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00E1-0409-1000-0000000FF1CE.xml.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-ul-phn.xrm-ms.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Excel.Extensions.dll.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL096.XML.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav\osknavbase.xml.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.XPath.dll.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\TelemetryLog.xltx.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH_COL.HXT.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\GB.XSL.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\lt\msipc.dll.mui.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-filesystem-l1-1-0.dll.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_SubTrial-pl.xrm-ms.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_MAK-ul-oob.xrm-ms.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-ul-oob.xrm-ms.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Retail-pl.xrm-ms.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-stdio-l1-1-0.dll.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_KMS_Automation-ppd.xrm-ms.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-ul-oob.xrm-ms.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp5-ul-oob.xrm-ms.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_Subscription-ppd.xrm-ms.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-string-l1-1-0.dll.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Common Files\System\ado\de-DE\msader15.dll.mui.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Xaml.resources.dll.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\calendars.properties.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Trial-pl.xrm-ms.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected]	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.dll.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Windows.Forms.Primitives.resources.dll.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail-ppd.xrm-ms.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Grace-ul-oob.xrm-ms.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Grace-ul-oob.xrm-ms.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Trial-ul-oob.xrm-ms.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_MAK-pl.xrm-ms.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_KMS_Client-ul-oob.xrm-ms.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.UnmanagedMemoryStream.dll.tmp	085dce08b5f4ded672c1ee530258f5d0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\PresentationUI.resources.dll.tmp	085dce08b5f4ded672c1ee530258f5d0.exe

C:\Users\Admin\AppData\Local\Temp\085dce08b5f4ded672c1ee530258f5d0.exe
"C:\Users\Admin\AppData\Local\Temp\085dce08b5f4ded672c1ee530258f5d0.exe"
1⤵
- Drops file in Program Files directory
PID:1388

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-1403246978-718555486-3105247137-1000\desktop.ini.tmp

Filesize
45KB

MD5
cb510d292b1f4bdc54d0bfd07122e241

SHA1
a8475a6764287bd70f53a7432ca9cd23bca4d3ff

SHA256
3eb936e6b98b14ceaa61c138df94e8f2132ac6e9b8bbcc4203476c24847707ca

SHA512
ad65425b4d684bd6fc7473933cf66f5367141f48e86a4315b87cb4b68b43b10661e3f2fefb9b27245ac4c6730d29953a149f1461d59fbc6fbdfdc4425097dbfa

Download Submit
C:\Program Files\7-Zip\7-zip.dll.tmp

Filesize
143KB

MD5
1259bc7587bbc8d8491777bd1ce77c55

SHA1
96a44d9a4dfddc780d152e344976234c9f670316

SHA256
6fdbc7a63c87f4d7762bf48b863a4d3edc21d859e50a58bd0c2a35a25caef8ad

SHA512
fc9faf18cbfd2e72a1b534d7f1c0cc148d2de4f1300408505ccdbc6a794227670987d1ed87bbd5ef6c4c1220ca37f704c4ed4c1ba006e9e7c40c5fcb74992877

Download Submit
memory/1388-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1388-1788-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads