3a055059c8255567c0eac53dd5459fd993a26ebdd2427b232a046a4699463a6f

Analysis

max time kernel
120s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/08/2024, 01:03

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General

Target

2a19b67f11a27259164daca855272110N.exe
Size

95KB
MD5

2a19b67f11a27259164daca855272110
SHA1

1e90bdf1e62f7361e6809a39d5ee12fd4c72e757
SHA256

3a055059c8255567c0eac53dd5459fd993a26ebdd2427b232a046a4699463a6f
SHA512

946c4c0e288e4d4064269ba48a6fd576ed0a60fbbf529df30a1bb2f2930d94131afbdf87055258f09399a55f5cb468d1f6908948f51e784aa55ae50cb4fb829e
SSDEEP

1536:W7Z9pApQESOHepOHe8G+6E65dyGdykNdNBK2LUf7XQex22tNsO4tNsOB:69WpQE0zUzXvtN54tN5B

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4521) 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.Runtime.Serialization.Formatters.dll.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\Microsoft.VisualBasic.Forms.resources.dll.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Retail-ul-phn.xrm-ms.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\MicrosoftDataStreamerforExcel.dll.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Json.dll.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Web.dll.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationClientSideProviders.resources.dll.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\vk_swiftshader.dll.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-black_scale-100.png.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\7-Zip\Lang\ms.txt.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Configuration.ConfigurationManager.dll.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_OEM_Perp-ul-oob.xrm-ms.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\7-Zip\Lang\ca.txt.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\GroupPop.mpg.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\colorimaging.md.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTrial-ul-oob.xrm-ms.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_MAK_AE-pl.xrm-ms.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Custom.propdesc.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_SubTrial-ppd.xrm-ms.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_Subscription-pl.xrm-ms.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Xaml.resources.dll.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\UIAutomationProvider.resources.dll.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\WindowsBase.resources.dll.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.osmuxmui.msi.16.en-us.xml.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Retail-ppd.xrm-ms.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\pt-BR\tipresx.dll.mui.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.DiaSymReader.Native.amd64.dll.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.Office.Tools.dll.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ExcelCtxUICellLayoutModel.bin.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FPA_f3\FA000000003.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationProvider.resources.dll.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\SmallLogo.png.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Slipstream.xml.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTest-ul-oob.xrm-ms.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp2-ul-oob.xrm-ms.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription3-ul-oob.xrm-ms.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Grace-ppd.xrm-ms.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_OEM_Perp-ppd.xrm-ms.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Xaml.dll.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest3-ppd.xrm-ms.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_OEM_Perp-ppd.xrm-ms.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.fr-fr.dll.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Common Files\System\fr-FR\wab32res.dll.mui.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-multibyte-l1-1-0.dll.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\Microsoft.VisualBasic.Forms.resources.dll.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Windows.Forms.Design.resources.dll.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\7-Zip\Lang\nl.txt.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\7-Zip\Lang\ru.txt.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Common Files\System\en-US\wab32res.dll.mui.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\UIAutomationProvider.resources.dll.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WINWORD_F_COL.HXK.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Common Files\System\ado\en-US\msader15.dll.mui.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Windows.Controls.Ribbon.resources.dll.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\ReachFramework.resources.dll.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javac.exe.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.scale-100.png.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Security.dll.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Linq.Expressions.dll.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\WindowsFormsIntegration.resources.dll.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremDemoR_BypassTrial365-ul-oob.xrm-ms.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial2-ppd.xrm-ms.tmp	2a19b67f11a27259164daca855272110N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription1-ppd.xrm-ms.tmp	2a19b67f11a27259164daca855272110N.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	2a19b67f11a27259164daca855272110N.exe

C:\Users\Admin\AppData\Local\Temp\2a19b67f11a27259164daca855272110N.exe
"C:\Users\Admin\AppData\Local\Temp\2a19b67f11a27259164daca855272110N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1548

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
96KB

MD5
910a3cf30e1901b07d75ff566c42336c

SHA1
e3a8eace3ff2078115d75dccd118f9e4403e0dc7

SHA256
375019a69dfdec90768bc94cd5d3d1becdd166bb3919ae55770fa32bb2b90832

SHA512
cc5c07798f44f5cddec8dacaf15a4bf6b282fdfe035e1d70f6381459a371e4900b5a369e62762eaebb173c88fb85d577e47c64dfb4c71503c24d97b033a738b3

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

Filesize
194KB

MD5
b98e3dd62e7b9833c91556071eb2046a

SHA1
846d6769b9e37d8cb082bb88ad9681e1aad5bfec

SHA256
66400fd0f6acc00a37ff9439ed83674ebf09746151a2a1466d528fcda1083510

SHA512
d7d65e9181e02243db3a938897d0ffbeb0d2e0e699f07bbd6241fe7744c60eafa5c93d4644db52aa5085543f20a096a52427c326d6fb38ba33599607a0658bf5

Download Submit