7964bab9c9f43fa75b9f34b4cebba6d72275899862e68c4afdb922b50d5124fb

Analysis

max time kernel
120s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23-08-2024 18:31

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General

Target

b4e12fe7025717dbbd940ad94059e1f0N.exe
Size

81KB
MD5

b4e12fe7025717dbbd940ad94059e1f0
SHA1

260a1945447e4c228ccfa5991cd6049b111c4a1f
SHA256

7964bab9c9f43fa75b9f34b4cebba6d72275899862e68c4afdb922b50d5124fb
SHA512

0790ffe46c6e8c61246f11f3887cb14c47afbe83b3fc34af0f50bbf9fe192682bce85bfe24b98a94cc35a47bc0d04b8ce5c2ec591add4453c1f5e141c1efe11f
SSDEEP

1536:W7ZhA7dAZ1++PJHJXA/OsIZfzc3/Q8IZf2Xcqv+sO9M:6e76mQSo7Zf2X+sO9M

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4526) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.Uri.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Web.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Windows.Forms.Primitives.resources.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\hr.pak.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.contrast-black_scale-100.png.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.Win32.Primitives.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\vk_swiftshader.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-localization-l1-2-0.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\icu.md.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientPreview_eula.txt.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-localization-l1-2-0.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.VisualBasic.Core.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ro.pak.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\jawt_md.h.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Grace-ppd.xrm-ms.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Windows.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\ja-JP\sqlxmlx.rll.mui.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.IO.Packaging.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Windows.Forms.Design.resources.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_KMS_Client_AE-ul.xrm-ms.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\mip.exe.mui.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\InkObj.dll.mui.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.FileVersionInfo.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.ReportingServices.RsClient.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH_K_COL.HXK.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\MSOSEC.DLL.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Configuration\config.xml.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Tasks.Parallel.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Trial-ppd.xrm-ms.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Common Files\System\ado\msadox.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscorrc.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Diagnostics.EventLog.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\glib-lite.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_MAKC2R-ul-oob.xrm-ms.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PowerPointNaiveBayesCommandRanker.txt.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-filesystem-l1-1-0.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msadcer.dll.mui.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\PresentationFramework.resources.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest4-ppd.xrm-ms.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipscat.xml.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\jopt-simple.md.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.WindowsAzure.StorageClient.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.NETCore.App.deps.json.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\WidevineCdm\LICENSE.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp2-ul-phn.xrm-ms.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-ul-phn.xrm-ms.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SkypeForBusinessBasic2019_eula.txt.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Linq.Parallel.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\PresentationUI.resources.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Trial-ppd.xrm-ms.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_OEM_Perp-ul-oob.xrm-ms.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\Microsoft.VisualBasic.Forms.resources.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-utility-l1-1-0.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp3-ppd.xrm-ms.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\officeinventoryagentfallback.xml.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.SecureString.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.Watcher.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\es-419.pak.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Grace-ppd.xrm-ms.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp-ul-oob.xrm-ms.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Algorithms.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\UIAutomationTypes.resources.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\plugin2\msvcp140.dll.tmp	b4e12fe7025717dbbd940ad94059e1f0N.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	b4e12fe7025717dbbd940ad94059e1f0N.exe

C:\Users\Admin\AppData\Local\Temp\b4e12fe7025717dbbd940ad94059e1f0N.exe
"C:\Users\Admin\AppData\Local\Temp\b4e12fe7025717dbbd940ad94059e1f0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1732

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-1-5-21-2718105630-359604950-2820636825-1000\desktop.ini.tmp

Filesize
81KB

MD5
55d2bb695d65c24219d212267840c5df

SHA1
2b5265ae0d757382767c2efd38f94edae6344b0e

SHA256
af4d081f827cf24aa069b678d5ca2efc95da45e1a6ecde13e02f7e80930c3d53

SHA512
8c332397be5cbbe90a26e205a98e219db020b5af433025bec9ba912060180b9333c1de7b9d8292402ff3f896cdb40a03bc721da8adb135b343b9f4cf89c95257

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

Filesize
180KB

MD5
d728d1c71ae17d99b81f6750b247c347

SHA1
76d4ec367e9feb13f288acb117eb9ee70c32a7d9

SHA256
ec97c34b22d4bcf643544e705a20bdfa4fcf7826654d69649799f0a536190d5d

SHA512
92cee76a552f74934edc7086702abc998d155235bd803905209ff4c2be3eb8ca78ca4996cb8a1da661e3a1d9f4712ebd0d0959c4049facf24cecc2f1d4a2d425

Download Submit