daa168d4bf18b57821fd1e511fb9b38e3ed40865c768136f0ea2e08dc32aba3b

Analysis

max time kernel
119s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
12/09/2024, 01:12

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General

Target

cb20a9437a9b68af88de6d7b193cf8f0N.exe
Size

55KB
MD5

cb20a9437a9b68af88de6d7b193cf8f0
SHA1

2a99bf191cea02e57aa88e4fe73732cce8702bac
SHA256

daa168d4bf18b57821fd1e511fb9b38e3ed40865c768136f0ea2e08dc32aba3b
SHA512

bd383dacbb43c4a4e880ffd0948b280c91d6d90561d3bfa85f7c8e8e2ef1b79719bad10a6f68844e146be0779c1afbda016b1e5f6f2beb16e1a5b9a1c0ce1211
SSDEEP

1536:W7ZppApBULcfpHLcfpyDDnTxASYnTxASshPWC1:6pWpBwchcwDDnTxASYnTxASeT

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4618) 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\Microsoft Office\root\Document Themes 16\Facet.thmx.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msaddsr.dll.mui.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.NameResolution.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\msix.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\dom.md.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp3-ppd.xrm-ms.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription5-pl.xrm-ms.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Office 2007 - 2010.xml.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG_F_COL.HXK.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Http.Json.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Compression.FileSystem.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Slice.thmx.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskmenu\oskmenubase.xml.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\cmm\GRAY.pf.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\STSLIST.CHM.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Trial-pl.xrm-ms.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Xaml.resources.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\WindowsFormsIntegration.resources.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001F-0C0A-1000-0000000FF1CE.xml.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\linesstylish.dotx.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\DataStreamerLibrary.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Common Files\System\msadc\msadco.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\.version.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\xerces.md.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationTypes.resources.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\Microsoft.VisualBasic.Forms.resources.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\es-419.pak.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Windows.Forms.resources.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\ReachFramework.resources.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_OEM_Perp-ul-oob.xrm-ms.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.VisualBasic.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\WindowsFormsIntegration.resources.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Grace-ppd.xrm-ms.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-string-l1-1-0.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Sort\AUTHOR.XSL.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fi-FI\tipresx.dll.mui.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\tabskb.dll.mui.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.IsolatedStorage.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Csp.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_OEM_Perp-ul-oob.xrm-ms.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-timezone-l1-1-0.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Wisp.thmx.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\HAMMER.WAV.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Common Files\System\msadc\msadcer.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-string-l1-1-0.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\prism_common.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\ReachFramework.resources.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\gstreamer.md.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Grace-ppd.xrm-ms.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WINWORD_COL.HXT.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ro-RO\tipresx.dll.mui.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.SecureString.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.X509Certificates.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Internet Explorer\ja-JP\iexplore.exe.mui.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\WindowsBase.resources.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial1-ppd.xrm-ms.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Retail-ppd.xrm-ms.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\7-Zip\7zFM.exe.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\7-Zip\Lang\ja.txt.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.DispatchProxy.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Web.HttpUtility.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\WindowsBase.resources.dll.tmp	cb20a9437a9b68af88de6d7b193cf8f0N.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	cb20a9437a9b68af88de6d7b193cf8f0N.exe

C:\Users\Admin\AppData\Local\Temp\cb20a9437a9b68af88de6d7b193cf8f0N.exe
"C:\Users\Admin\AppData\Local\Temp\cb20a9437a9b68af88de6d7b193cf8f0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4320

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-1-5-21-2629364133-3182087385-364449604-1000\desktop.ini.tmp

Filesize
55KB

MD5
6aa873bc8e1c1cc5cc4c03c2e22e064b

SHA1
0ac0a20734ecd78a869d9a5480ae5dd07933f701

SHA256
ddf796e02d5231340c35114f5efdfc11204c75f19ec7507e340e51d459faa93c

SHA512
bf85e195be79562836840825e8479b399c21fdff834bcb7961a81ff4fb3b4cd1585be59a49fe141d819c341288139d96ffe13e47e309f1fb7afa76fe75eb2909

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

Filesize
154KB

MD5
0431daca1a0d36eb226fcf1e900f795c

SHA1
995a5acad2f9b5d3383a2843976705eb193aa5a4

SHA256
37f191f6f036527dd7507260999adb7142d1320fdfb34d4cf984a746461b7308

SHA512
53f97378f2c4c5109a172f508121928a3db8f46bcfcc7e118a33418c1f406d43877eea245747aa3b864b32785417d10bfb92caf59cd7809599b1d6dbbf8fba22

Download Submit