a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0

Analysis

max time kernel
150s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 05:35

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General

Target

a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
Size

75KB
MD5

1dce7d43aedb46eba0bf6f4309ee16b0
SHA1

b6efdc7c2c32fea9c171c2f82f557a832a089ce0
SHA256

a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0
SHA512

4b92afe42601562140da43b5a093ed9ef80e7f78bfb3872fad6b5c59d21f5c0ce41fbb6dd114e70f757456ec758168447ab8d116fcd784a2ef11a84c814329d8
SSDEEP

768:W7Blp2sspARFbhJpupZ5pZ4+fTgTvlK1lK6RZR+8/8gClurYClurver+:W7Z2sspApkZrZ4+fU7lK1lKT8/8tT

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (5104) 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\Common Files\System\ado\es-ES\msader15.dll.mui.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.Metadata.dll.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Encoding.CodePages.dll.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp3-pl.xrm-ms.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\fxplugins.dll.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Yellow.xml.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Microsoft Office\root\rsod\excelmui.msi.16.en-us.tree.dat.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Controls.Ribbon.resources.dll.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\WindowsBase.resources.dll.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-string-l1-1-0.dll.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\directshow.md.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-ul-oob.xrm-ms.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.VisualElementsManifest.xml.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ipcsecproc.dll.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknumpad\osknumpadbase.xml.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsfra.xml.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\es-ES\msinfo32.exe.mui.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.FileSystem.dll.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Primitives.dll.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Windows.Input.Manipulations.resources.dll.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-synch-l1-2-0.dll.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.FileSystem.dll.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ro.pak.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Internet Explorer\it-IT\ieinstal.exe.mui.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Retail-pl.xrm-ms.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_MAK_AE-ul-oob.xrm-ms.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_MAK_AE-pl.xrm-ms.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Internet Explorer\ielowutil.exe.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\MicrosoftDataStreamerforExcel.vsto.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Office.PowerPivot.ExcelAddIn.tlb.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OFFSYM.TTF.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\7-Zip\Lang\ga.txt.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscordbi.dll.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\SmallLogo.png.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_KMS_Client_AE-ul.xrm-ms.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Trial-ppd.xrm-ms.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-math-l1-1-0.dll.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.CoreLib.dll.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\vcruntime140.dll.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\instrument.dll.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\hijrah-config-umalqura.properties.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_Retail-ppd.xrm-ms.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\bwclassic.dotx.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ONBttnWD.dll.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Xaml.resources.dll.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\zh-CN.pak.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jdb.exe.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial3-ppd.xrm-ms.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdasqlr.dll.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\sqloledb.dll.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\mesa3d.md.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Retail-ul-phn.xrm-ms.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_MAK_AE-pl.xrm-ms.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG_K_COL.HXK.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\CancelGlyph.16.White.png.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\7-Zip\7zCon.sfx.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\TipTsf.dll.mui.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\deploy.dll.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial-ppd.xrm-ms.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_OEM_Perp-ul-phn.xrm-ms.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL012.XML.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Common Files\System\msadc\msadcer.dll.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javaws.exe.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\j2gss.dll.tmp	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.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	a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe

C:\Users\Admin\AppData\Local\Temp\a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe
"C:\Users\Admin\AppData\Local\Temp\a20d0f61aa6376f9e572caa7f8676cfd2902691e13562cf7d10e78d8234689d0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4784

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-1-5-21-2412658365-3084825385-3340777666-1000\desktop.ini.tmp

Filesize
75KB

MD5
f6b119ab844cd6567a0cfc22b0f093a7

SHA1
d93909338a52c7111b72ddb313a379e4cddeb219

SHA256
3662ce99f7da549d10196fc27ad8bdeab1e06b0b95373d69359b252a1139f720

SHA512
698cde3ae0b65f02e08bea58073a9dfb2b87506917e7366c501fe4e1f454472811cfc342012f8daf14e147c8bac368cfff20e15c0032eb8e0fea8d84fe6a868a

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

Filesize
174KB

MD5
63efb45d7404ff9548608b9d02154150

SHA1
91e9638b17821fd153681ccb39fdce9a9354487b

SHA256
b9ec02890a1de787b217e674e52565bea60db4350028373c745e7a79f3c13692

SHA512
92ec4062ca38459142a736d96d77d6566f3e59cc69cc247ac09c52065b4562270cfef1de7bfdee92ad3651c58edd3939a840aff7ac7205fdc3eb9f5406364578

Download Submit