e3480c69f0763601e3eafe004151aedc425e4c65d0563a6cba073215d8ff8a8f

Analysis

max time kernel
119s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-08-2024 12:58

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General

Target

f4b96b5d27a86b1e35c5e2063a597f40N.exe
Size

36KB
MD5

f4b96b5d27a86b1e35c5e2063a597f40
SHA1

0bf32097b7a213e5074bcfea42752977c53a4f0b
SHA256

e3480c69f0763601e3eafe004151aedc425e4c65d0563a6cba073215d8ff8a8f
SHA512

455b5938a6d0fd0c0735e558052281f837933b4075470ae9d80bc496b2ddb41156383e768b562ae1f920b581749f318a6d4f54e85edfa6dbc82a69659f2d5b60
SSDEEP

768:W7BlphA7pARFbhM0Kkq81LOyq81LOl6Sl5ltGFB:W7ZhA7pApM21LOA1LOl6A6

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4683) 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\8.0.2\System.Net.Security.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework-SystemXml.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-process-l1-1-0.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial-pl.xrm-ms.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_MAK_AE-ul-phn.xrm-ms.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsar.xml.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscordaccore.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp2-pl.xrm-ms.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Xaml.resources.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\gstreamer.md.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-ppd.xrm-ms.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp3-ppd.xrm-ms.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-white_scale-140.png.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-black_scale-100.png.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-environment-l1-1-0.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Forms.Design.resources.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Cng.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\Microsoft.VisualBasic.Forms.resources.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Forms.Design.resources.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Windows.Forms.Primitives.resources.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\java.security.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp3-pl.xrm-ms.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\7-Zip\Lang\ba.txt.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tipskins.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\CLICK.WAV.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Data.DataSetExtensions.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Resources.Extensions.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-ul-phn.xrm-ms.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-datetime-l1-1-0.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Java\jre-1.8\lib\jce.jar.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.Office.Tools.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSVCP140_APP.DLL.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ObjectModel.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Design.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\et-EE\tipresx.dll.mui.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Serialization.Primitives.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationClient.resources.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\UIAutomationTypes.resources.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\System.Windows.Forms.Design.resources.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Drawing.Common.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\7-Zip\Lang\bn.txt.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.id-id.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Trial-ppd.xrm-ms.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Controls.Ribbon.resources.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\af.pak.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_OEM_Perp-ul-phn.xrm-ms.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\7-Zip\7z.exe.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Java\jdk-1.8\include\jvmti.h.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationTypes.resources.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Java\jre-1.8\bin\bci.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Microsoft Office\root\fre\StartMenu_Win10_RTL.mp4.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\7-Zip\Lang\pl.txt.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknumpad.xml.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-timezone-l1-1-0.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\sa-jdi.jar.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Retail-ul-oob.xrm-ms.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONDIRECTX.DLL.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Xaml.resources.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\UIAutomationClient.resources.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\UIAutomationProvider.resources.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Microsoft Office\root\Client\msvcp120.dll.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Retail-ppd.xrm-ms.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_MAK_AE-ul-oob.xrm-ms.tmp	f4b96b5d27a86b1e35c5e2063a597f40N.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	f4b96b5d27a86b1e35c5e2063a597f40N.exe

C:\Users\Admin\AppData\Local\Temp\f4b96b5d27a86b1e35c5e2063a597f40N.exe
"C:\Users\Admin\AppData\Local\Temp\f4b96b5d27a86b1e35c5e2063a597f40N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4588

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
36KB

MD5
485f99278ef4d5ffce61d76c8120d8d7

SHA1
debc57d2b0161e82b335565503aa39dca54a157a

SHA256
ebba9672ecdd572a178297fb2f71eb2f6bfb2c0b3d341bb1d4d577b2b3615644

SHA512
fb3e85c856a2f069cad1394aad2f55ae80467de7dbcb8a4e71fd2b621f27d7a640d1e42d4cd7b52934cc8d0d91271e25ccb167c29c67f9fd7dcd16d241aabbeb

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

Filesize
135KB

MD5
cf3b0d24ceedb3bf262fc9ef54850c43

SHA1
fc890310c8202b095b9d6f8934b6e3b1231ec054

SHA256
ab4f45036b8e8de6b0d46635a9aa69ce51456f164a40b2fbc5e922f3f28cfded

SHA512
97b864a7e39590827561b60fe0921286011d0a2c6915524b30c1c76764f33b9571485414f033990a431d19d05065bc485cc78d1310a41db8965f3cf49c538cf0

Download Submit