df44a95f85d146c83e1b72c96b7671ba1223854e0dca1da88f23ab25230253a0

Analysis

max time kernel
120s
max time network
109s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
22/07/2024, 22:11

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General

Target

1a859e3eebacfb72969188844e5821c0N.exe
Size

44KB
MD5

1a859e3eebacfb72969188844e5821c0
SHA1

17b059416c5a02e645d94502423d3f7face94cd6
SHA256

df44a95f85d146c83e1b72c96b7671ba1223854e0dca1da88f23ab25230253a0
SHA512

a006c1fbe0f7fadcda5c95dc4a8977add617f6d3774399aa46721766cb79f92bc66718c4990ef9b3e4b55b2d205b5caeed098006295b9639a17f452a206bf545
SSDEEP

768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2aDM9uA9DM9uAFIx:CTWn1++PJHJXA/OsIZfzc3/Q8IZ3

Score

9^/10

ransomware upx

Malware Config

Signatures

Renames multiple (4315) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2956-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00080000000234d2-2.dat	upx
behavioral2/files/0x0014000000022932-6.dat	upx
behavioral2/memory/2956-1012-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsnor.xml.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\tipresx.dll.mui.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.VisualBasic.Core.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Forms.Primitives.resources.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\zh-CN.pak.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\AdeModule.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-file-l2-1-0.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationClientSideProviders.resources.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Xaml.resources.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\pl.pak.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp2-ul-phn.xrm-ms.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\prism_sw.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_ViewOnly_ZeroGrace-ppd.xrm-ms.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\rtscom.dll.mui.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Sockets.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Web.HttpUtility.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationNative_cor3.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\WindowsBase.resources.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Windows.Controls.Ribbon.resources.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Encodings.Web.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Luna.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\jpeg.md.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription1-ul-oob.xrm-ms.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_KMS_Client_AE-ul.xrm-ms.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART10.BDR.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\rtscom.dll.mui.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\InkObj.dll.mui.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-private-l1-1-0.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hu-HU\tipresx.dll.mui.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\WindowsBase.resources.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msadcor.dll.mui.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Windows.Forms.Primitives.resources.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\StreamServer.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\th-TH\tipresx.dll.mui.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\ja-JP\oledb32r.dll.mui.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp3-pl.xrm-ms.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-ul-oob.xrm-ms.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymxl.ttf.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.Process.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\ReachFramework.resources.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationProvider.resources.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\System.Windows.Input.Manipulations.resources.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp3-ul-phn.xrm-ms.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\WindowsFormsIntegration.resources.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\PresentationUI.resources.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.Classic.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Trial-ul-oob.xrm-ms.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\Microsoft.VisualBasic.Forms.resources.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\sunec.jar.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\word2013bw.dotx.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.Linq.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\it.pak.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javac.exe.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\ssv.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp3-ppd.xrm-ms.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Retail-pl.xrm-ms.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProMSDNR_Retail-ul-phn.xrm-ms.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\7-Zip\Lang\gu.txt.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Linq.Expressions.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.RegularExpressions.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Diagnostics.EventLog.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Controls.Ribbon.resources.dll.tmp	1a859e3eebacfb72969188844e5821c0N.exe

C:\Users\Admin\AppData\Local\Temp\1a859e3eebacfb72969188844e5821c0N.exe
"C:\Users\Admin\AppData\Local\Temp\1a859e3eebacfb72969188844e5821c0N.exe"
1⤵
- Drops file in Program Files directory
PID:2956

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-1176886754-713327781-2233697964-1000\desktop.ini.tmp

Filesize
44KB

MD5
dc8740071cd905d4c4b958a5080b22a9

SHA1
702216001eb71a5dc7b53cad81f4cd4c9bc0c466

SHA256
31dcd39cf53922b9710839fe96ee6a71ecb57849be17ca4e4ba40f086c134d38

SHA512
99e86a5efee53e88aa6aeb7c2cae6f4187a63f19f647453c98328cb42b960c0f76c9e4e89ced25e3f68672b30edb4108eaaa4152ccdd6c815b942538d1ee7e36

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

Filesize
143KB

MD5
800c19c6ae57d1aafb4a04305f7d6a82

SHA1
310f56e0a56052a07a1282bf8596998dd1ad9790

SHA256
e1a461f48fc186426558e915564c86e74cdfbe570c67cc9b28a2628054e90efd

SHA512
abcab009577af3a29e039fdd7be389430c37508ada3c34fcfb07d03ea82c478a5bd4e39d34774ebaa2d5ceafd27bd506dd430a6eabb9ce1e0d6f901dc2a23518

Download Submit
memory/2956-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2956-1012-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads