b64255f2032d2a5ee50cb1b280094b058554dc1e3a7d66ac1804d2f54d3c2b3d

Analysis

max time kernel
120s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/09/2024, 02:25

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General

Target

4973978199dd0533f64437563b2558c0N.exe
Size

49KB
MD5

4973978199dd0533f64437563b2558c0
SHA1

0117c7f6185e31640e29139d742defee63e54656
SHA256

b64255f2032d2a5ee50cb1b280094b058554dc1e3a7d66ac1804d2f54d3c2b3d
SHA512

d0c0fba1296d3441674afd953a2863af22001feb688131f4d890c825936265f64163bb20cca9479f5ced97e0ecda531fee4641e1dde0ca0491cbd227ef2e52e4
SSDEEP

768:W7BlpppARFbhjbhg42LcfpR42LcfproFNFcdyGdyQ:W7ZppApBULcfpHLcfpyDcdyGdyQ

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4649) 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\6.0.27\api-ms-win-core-localization-l1-2-0.dll.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationClient.resources.dll.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\te.pak.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-white_scale-140.png.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-black_scale-180.png.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ja.pak.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_OEM_Perp-ul-phn.xrm-ms.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\System.Runtime.InteropServices.RuntimeInformation.dll.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Configuration\card_terms_dict.txt.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tipresx.dll.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-private-l1-1-0.dll.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\System.Windows.Input.Manipulations.resources.dll.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\dynalink.md.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\packager.jar.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\ucrtbase.dll.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_O16EnterpriseVL_Bypass30-ul-oob.xrm-ms.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BIPLAT.DLL.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Xaml.resources.dll.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Xaml.dll.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-heap-l1-1-0.dll.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\tzdb.dat.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Constantia-Franklin Gothic Book.xml.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_ConsumerSub_Bypass30-ul-oob.xrm-ms.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest5-ppd.xrm-ms.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOHEV.DLL.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscordaccore.dll.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.RegularExpressions.dll.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Windows.Input.Manipulations.resources.dll.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_it.properties.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\THIRDPARTYLICENSEREADME.txt.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTrial-pl.xrm-ms.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ro\msipc.dll.mui.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\7-Zip\Lang\de.txt.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Common Files\System\ado\msadomd.dll.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.TraceSource.dll.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationClientSideProviders.resources.dll.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Controls.Ribbon.resources.dll.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\jpeg.md.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_O16EnterpriseVL_Bypass30-ppd.xrm-ms.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Excel.Excel.x-none.msi.16.x-none.xml.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\EventSource.dll.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-white_scale-100.png.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationClient.resources.dll.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail2-ul-oob.xrm-ms.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.de-de.dll.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\j2gss.dll.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_LinkNoDrop32x32.gif.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.SecureString.dll.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\Microsoft.VisualBasic.Forms.resources.dll.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaBrightItalic.ttf.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail-ul-oob.xrm-ms.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\VGX\VGX.dll.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Xaml.resources.dll.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\UIAutomationProvider.resources.dll.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Trial-ul-oob.xrm-ms.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Trial-ppd.xrm-ms.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.OAuth.dll.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-white_scale-180.png.tmp	4973978199dd0533f64437563b2558c0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\default_apps\external_extensions.json.tmp	4973978199dd0533f64437563b2558c0N.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	4973978199dd0533f64437563b2558c0N.exe

C:\Users\Admin\AppData\Local\Temp\4973978199dd0533f64437563b2558c0N.exe
"C:\Users\Admin\AppData\Local\Temp\4973978199dd0533f64437563b2558c0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3796

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-1-5-21-1194130065-3471212556-1656947724-1000\desktop.ini.tmp

Filesize
49KB

MD5
8c10abdaeb5cb751053f5ff5d9ade163

SHA1
49d019bf91e67e7a439456deaf7850ac65e19e68

SHA256
f088b5892b13c59ca86a1a6ccd50f55768074ebd55f1a22dd900d45ecee1e68f

SHA512
1f5b90067760af55b383e4ff78132e82ccbeb83986ef2c19e9970b0839a80e3099a3a87277e80b70ea058648eec39f64606bf1d93290f7872ebe5262422154cd

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

Filesize
148KB

MD5
e8c100ed01f11236eee6de9afe9a41fa

SHA1
9e5d3fe2b9f74eb498eebd941f8ed867cc0197dc

SHA256
d8f3e857d7d9dd812c9502785a2439093ff664358dd700fac281ab3a4546878c

SHA512
91464279590d1b61eb424c3ee0de9bc025a0284c040ac61507c62b18f285cc4b9141e7f552049284ea2ac6bdd57777c8fa1fa354da814b5c46584f3b9afc363b

Download Submit