b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252

Analysis

max time kernel
120s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-10-2024 17:12

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General

Target

b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
Size

69KB
MD5

e2aad802d2e55308b85a4fd6dc6dbe60
SHA1

22c5577e977c7ea045b2ed0846e569045764c43e
SHA256

b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252
SHA512

9fe326ddd099a9352cc35019ce97b69b90c473ae4a0e0239bf4fa2c78b64586f88253ae0f80b13ecc2d2ad890d2b7becc0930c81267e51739e3af25a28ed0dca
SSDEEP

1536:V7Zf/FAxTWoJJ7TPU2XPYFbIhbaJuYnQ1v:fny1zU2Wc

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4616) 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/3172-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000c000000023b21-2.dat	upx
behavioral2/files/0x001400000002291d-6.dat	upx
behavioral2/memory/3172-780-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jre-1.8\LICENSE.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription1-pl.xrm-ms.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.dll.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.dll.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe.config.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Trial-ul-oob.xrm-ms.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_SubTest-pl.xrm-ms.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.Office.Tools.Common.dll.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Excel.BackEnd.XmlSerializers.dll.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Drawing.dll.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_MAK_AE-ul-oob.xrm-ms.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Retail-ul-phn.xrm-ms.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-debug-l1-1-0.dll.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_OEM_Perp-ul-oob.xrm-ms.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-datetime-l1-1-0.dll.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail3-ul-phn.xrm-ms.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_MAK_AE-pl.xrm-ms.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.ReportingServices.Interfaces.dll.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-white_scale-180.png.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\WHOOSH.WAV.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Internet Explorer\de-DE\iexplore.exe.mui.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\jopt-simple.md.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\WindowsFormsIntegration.resources.dll.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTrial-ul-oob.xrm-ms.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\CT_ROOTS.XML.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Xaml.resources.dll.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Forms.Design.resources.dll.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordVL_KMS_Client-ul-oob.xrm-ms.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART2.BDR.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Milk Glass.eftx.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Retail-ppd.xrm-ms.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_MAK-ul-oob.xrm-ms.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipscht.xml.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\ReachFramework.resources.dll.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.AppContext.dll.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONCHART.DLL.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\orbd.exe.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Yellow.xml.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail2-pl.xrm-ms.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.ScriptDom.dll.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\he-IL\tipresx.dll.mui.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\[email protected]	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Linq.Expressions.dll.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\System.Windows.Forms.Design.resources.dll.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Inset.eftx.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-ul-oob.xrm-ms.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_OEM_Perp-pl.xrm-ms.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\concrt140.dll.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Common Files\System\msadc\msdaremr.dll.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Grace-ul-oob.xrm-ms.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_MAKC2R-ppd.xrm-ms.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ExcelCtxUICellLayoutModel.bin.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\fre\StartMenu_Win10_RTL.mp4.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremDemoR_BypassTrial365-ppd.xrm-ms.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Proof.Culture.msi.16.fr-fr.xml.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest-pl.xrm-ms.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Resources.Extensions.dll.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Java\jre-1.8\bin\JAWTAccessBridge-64.dll.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\UIAutomationClientSideProviders.resources.dll.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jp2native.dll.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-util-l1-1-0.dll.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Mail.dll.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Linq.Queryable.dll.tmp	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe

C:\Users\Admin\AppData\Local\Temp\b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe
"C:\Users\Admin\AppData\Local\Temp\b89a432e0cbcb7773a1d8f852beeb811760f6489cf1ceddd0834fcf811cd8252N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3172

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-3756129449-3121373848-4276368241-1000\desktop.ini.tmp

Filesize
69KB

MD5
0d8f6c0caa467505835cc6bb1430f1f1

SHA1
6995953c25c9ddd9970d00c20a10a14e7f5c3850

SHA256
fb11f44406640b80ce72f2c5b54031839819b02934b6bc10aaf422f04ca00da9

SHA512
31925d06ab9af7932d0de18408bd63a85ffca798a10b3dbc781fcdcf760bf8dd43da3dc298510f4207ead11caaac2ac26ee6bcbf4a8c2a431e8b31813ba7feb2

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

Filesize
168KB

MD5
171286d7a57113c4baa63930d7e70db9

SHA1
f3d16f9c41e696193e6680a68cd2fda0e386e032

SHA256
2aca6d9be35ddb54b4f53c8a007fb3ee4f74df4b1059dae8aaf9e9289efa04da

SHA512
3847aa399a190b38257034ddce4864efe2ee4c8abb5fb033332483253b566f656910aab351eeada8bf5cefc7842178e5f376184dcb08e6770465bbfe5c06bea8

Download Submit
memory/3172-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3172-780-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download