685faeafe2d6f54130b334fe3a001cd94f34168a0abb730a3af94406f265c353

Analysis

max time kernel
120s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 03:23

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General

Target

d3ffc57b00266bd6eeddda40e821df70N.exe
Size

83KB
MD5

d3ffc57b00266bd6eeddda40e821df70
SHA1

2e510310f87d62ed01b08667b4e4ae9599debba8
SHA256

685faeafe2d6f54130b334fe3a001cd94f34168a0abb730a3af94406f265c353
SHA512

10b10cf35f8b3dfbd1f9f3f73c4cff6e07eac5715dbfe8141f14273b28e2fdebf80c7e7a0bc4702a27954aa395e88e05711db071ac4b0929e99e7fcb58ac7b26
SSDEEP

1536:W7Z9pApQESOHepOHe8G+6E65dyGdykNdNBKgg6RG:69WpQE0zxg1

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4533) 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\7-Zip\Lang\ext.txt.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\7-Zip\Lang\lv.txt.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Common Files\System\ado\msado28.tlb.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationTypes.resources.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\splash_11-lic.gif.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.Recommendation.Client.Core.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Document Parts\1033\16\Built-In Building Blocks.dotx.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Drawing.Primitives.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\WindowsBase.resources.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationClient.resources.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\WindowsBase.resources.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\UIAutomationClientSideProviders.resources.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Java\jre-1.8\bin\ssv.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_Subscription-pl.xrm-ms.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientVolumeLicense2019_eula.txt.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.X509Certificates.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationTypes.resources.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\UIAutomationClient.resources.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\PresentationUI.resources.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Xaml.resources.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\WindowsFormsIntegration.resources.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.Luna.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Common Files\System\msadc\adcjavas.inc.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\wpfgfx_cor3.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\MEIPreload\preloaded_data.pb.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\colorimaging.md.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019DemoR_BypassTrial180-ppd.xrm-ms.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_KMS_Automation-ppd.xrm-ms.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Trial-ppd.xrm-ms.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_MAKC2R-ppd.xrm-ms.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mce.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msdaremr.dll.mui.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.ServicePoint.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.AccessControl.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Windows.Forms.Primitives.resources.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Windows.Forms.resources.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Grace-ul-oob.xrm-ms.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.OData.Edm.NetFX35.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.lv-lv.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ar.pak.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Java\jdk-1.8\THIRDPARTYLICENSEREADME.txt.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\cldrdata.jar.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Windows.Forms.resources.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\xalan.md.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Tasks.Extensions.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\D3DCompiler_47_cor3.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-interlocked-l1-1-0.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_MoveNoDrop32x32.gif.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial-pl.xrm-ms.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Configuration\card_expiration_terms_dict.txt.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jfxmedia.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Java\jre-1.8\lib\classlist.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-xstate-l2-1-0.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Interceptor.tlb.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.Immutable.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Formats.Asn1.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\UIAutomationClientSideProviders.resources.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\WindowsBase.resources.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription4-ul-oob.xrm-ms.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\sqlpdw.xsl.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Xaml.resources.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\Microsoft.VisualBasic.Forms.resources.dll.tmp	d3ffc57b00266bd6eeddda40e821df70N.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_CopyDrop32x32.gif.tmp	d3ffc57b00266bd6eeddda40e821df70N.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	d3ffc57b00266bd6eeddda40e821df70N.exe

C:\Users\Admin\AppData\Local\Temp\d3ffc57b00266bd6eeddda40e821df70N.exe
"C:\Users\Admin\AppData\Local\Temp\d3ffc57b00266bd6eeddda40e821df70N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3164

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-1-5-21-355097885-2402257403-2971294179-1000\desktop.ini.tmp

Filesize
83KB

MD5
8bc8790e1639da33a24f0770a703db22

SHA1
dd5a79b81edf0e9a431d774d7846fd050aee8255

SHA256
06450b1765e66c5bf845e739f97bbc557e4e64a45a59c13414fe428642e88e21

SHA512
933d983ff4f6321ca4c31a05330f97666f7084ebdf199a8bfe2d64496ab47b03044cee4df906f6ad5ce75b7516bb6c2733f349001ef5cc5fcc6356ef68dc6f77

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

Filesize
182KB

MD5
130988d3c2546db8428619c19c00ce0e

SHA1
7ea356234f224ba8343574e027aaab811b17494f

SHA256
b59c38967d63ab2f46cd83d99f517f86f7387224cca4743ee294a2fbd2abd2c7

SHA512
5f5d0100307f4b91206f4bc75af2de0ee3a2163b570b73d8f3dd7a5562319a30d2a612950e646c1c1c94ede0af085c4e90efb21abf7759865162c64535d4c751

Download Submit