016a9df7446797450141b809ffd20aa172b1ffe2c19eb90513e79fec52aec9b7

Analysis

max time kernel
120s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
23/07/2024, 10:30

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General

Target

a55b1f5d2906c8d9114b9875db29ea50N.exe
Size

83KB
MD5

a55b1f5d2906c8d9114b9875db29ea50
SHA1

67cc63e10cee2c76bbf21dc40710c8bea0f2788d
SHA256

016a9df7446797450141b809ffd20aa172b1ffe2c19eb90513e79fec52aec9b7
SHA512

5cae39663326d681da29826bfcb4a39fc7a30be1997c3d0daa2379211ca62384de615845a45ee2ad5f944d84d5e3b6c6c1177b0f1bff5a2c583a9b92314d1413
SSDEEP

1536:a7ZyqaFAxTWH1++PJHJXA/OsIZfzc3/Q8zxoaJZV:enaypQSoS

Score

9^/10

ransomware upx

Malware Config

Signatures

Renames multiple (4322) 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/3188-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023469-2.dat	upx
behavioral2/files/0x0014000000022909-6.dat	upx
behavioral2/memory/3188-1780-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\PresentationCore.resources.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\directshow.md.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Grace-ppd.xrm-ms.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\UIAutomationTypes.resources.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Windows.Forms.Primitives.resources.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_KMS_Client-ul.xrm-ms.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-pl.xrm-ms.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Java\jre-1.8\bin\fxplugins.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Microsoft Office\root\fre\StartMenu_Win8_RTL.mp4.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp5-pl.xrm-ms.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Retail-ul-oob.xrm-ms.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.kk-kz.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscorrc.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.CompilerServices.VisualC.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Forms.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-debug-l1-1-0.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\libffi.md.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\javafx.properties.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\XLMACRO.CHM.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Common Files\System\ado\msadox.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\PresentationCore.resources.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\Microsoft.VisualBasic.Forms.resources.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\PresentationUI.resources.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\public_suffix.md.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\InputPersonalization.exe.mui.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Common Files\microsoft shared\OFFICE16\LICLUA.EXE.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-private-l1-1-0.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\PresentationCore.resources.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscorrc.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001B-0409-1000-0000000FF1CE.xml.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_KMS_Client-ul.xrm-ms.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Retail-ul-oob.xrm-ms.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.NetworkInformation.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp2-ul-oob.xrm-ms.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_MAK-pl.xrm-ms.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\7-Zip\Lang\pt.txt.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\freebxml.md.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_MAK_AE-ppd.xrm-ms.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Xaml.resources.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail-ul-oob.xrm-ms.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\7-Zip\7zG.exe.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Grace-ppd.xrm-ms.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-file-l2-1-0.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Common Files\System\uk-UA\wab32res.dll.mui.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Java\jre-1.8\lib\amd64\jvm.cfg.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-ul-oob.xrm-ms.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msaddsr.dll.mui.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Forms.resources.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\UIAutomationClientSideProviders.resources.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_OEM_Perp-ul-phn.xrm-ms.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial5-ul-oob.xrm-ms.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Retail-pl.xrm-ms.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\WindowsFormsIntegration.resources.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Windows.Controls.Ribbon.resources.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\PresentationFramework.resources.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\chrome_elf.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Windows.Forms.Design.resources.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-ppd.xrm-ms.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019MSDNR_Retail-pl.xrm-ms.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Formats.Tar.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-filesystem-l1-1-0.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\j2pcsc.dll.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\tabskb.dll.mui.tmp	a55b1f5d2906c8d9114b9875db29ea50N.exe

C:\Users\Admin\AppData\Local\Temp\a55b1f5d2906c8d9114b9875db29ea50N.exe
"C:\Users\Admin\AppData\Local\Temp\a55b1f5d2906c8d9114b9875db29ea50N.exe"
1⤵
- Drops file in Program Files directory
PID:3188

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-384068567-2943195810-3631207890-1000\desktop.ini.tmp

Filesize
83KB

MD5
15ac5c4cd3260a294667b73088b70a31

SHA1
b66d8f6c02ca4f32192c94369e71a0d073f61b9a

SHA256
4f79caa8c310908bb8794eaf6f0fca9b23139660b27ec0e4214b511a507b97fb

SHA512
3d928f7b407926982ad736264b065f956426bc4243272f241def4e2c93a42307f8fdf3533f806472a5110ac62fadac590f0a3c6a4cf417efcf667f4a26a8d52d

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

Filesize
182KB

MD5
ad22f3d8c05ebd27605f4bd59fe4c397

SHA1
6d33173cf902a3c8c1b43cb6952d3a83294fe285

SHA256
ec78c5f3f5104018b8ca688711f4863b7e4023a1f2056f42d5fdf6638b7234be

SHA512
78af557b6a8b16d782ae028df4ccd2ca79bdaedcd96d83cf296532d7ea8a446f7e7ed20aebc007e5ee6bc65949820f7c3805f0d4c5eb123d90b2fef5b5822404

Download Submit
memory/3188-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3188-1780-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads