ae01a3477518c8a8250a0bba3e12006706633cbfe96ba9c637e64e9b27fc17cb

Analysis

max time kernel
119s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
21/07/2024, 09:33

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General

Target

a4a37a371f2cfe7533e49d580a18b750N.exe
Size

78KB
MD5

a4a37a371f2cfe7533e49d580a18b750
SHA1

3bad7bfe740ba3cc088090853c8454fca5325ef4
SHA256

ae01a3477518c8a8250a0bba3e12006706633cbfe96ba9c637e64e9b27fc17cb
SHA512

b54f688e69935886621987f5e4c6e5c415cf48cd45a9ac8771bf4821a650e4004593f89db598b0ed17f43e0bd7b74c417a1b13e88386c6acf9f0b5c8d2834f4b
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8NCuXYRY5I2I2:fnyiQSoDuXuv32

Score

9^/10

ransomware upx

Malware Config

Signatures

Renames multiple (4316) 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/2472-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233df-2.dat	upx
behavioral2/files/0x000600000001e5db-7.dat	upx
behavioral2/memory/2472-1786-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ja-jp.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Windows.Forms.Design.resources.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_Subscription-pl.xrm-ms.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremDemoR_BypassTrial365-ul-oob.xrm-ms.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial4-ppd.xrm-ms.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Trial-ul-oob.xrm-ms.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_MAK_AE-pl.xrm-ms.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\7-Zip\Lang\zh-tw.txt.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.CompilerServices.VisualC.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Json.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Xaml.resources.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationClient.resources.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\ml.pak.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_MAK-ppd.xrm-ms.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrenclm.dat.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Classic.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\PresentationCore.resources.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\UIAutomationClient.resources.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\WindowsFormsIntegration.resources.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-string-l1-1-0.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Common Files\System\Ole DB\sqlxmlx.rll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Excel.AnalysisServices.AdomdClientUI.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\lv-LV\tipresx.dll.mui.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\UIAutomationTypes.resources.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Grace-ppd.xrm-ms.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Retail-ul-phn.xrm-ms.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\UIAutomationClient.resources.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.Recommendation.Client.Picasso.Sampler.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\BHOINTL.DLL.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Web.HttpUtility.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\mscorrc.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jfxmedia.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail3-ppd.xrm-ms.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Grace-ul-oob.xrm-ms.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial1-ppd.xrm-ms.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Retail-ul-oob.xrm-ms.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\D3DCompiler_47_cor3.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\PresentationCore.resources.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.bg-bg.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Crashpad\settings.dat.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\Microsoft.VisualBasic.Forms.resources.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\UIAutomationClient.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\UIAutomationTypes.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Forms.Design.resources.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp6-ul-oob.xrm-ms.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-ppd.xrm-ms.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msadcor.dll.mui.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscordaccore_amd64_amd64_6.0.2724.6912.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Console.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.Annotations.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.Emit.Lightweight.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Controls.Ribbon.resources.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.NETCore.App.runtimeconfig.json.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.VisualBasic.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardMSDNR_Retail-ppd.xrm-ms.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\Microsoft.VisualBasic.Forms.resources.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\thaidict.md.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteFreeR_Bypass-ppd.xrm-ms.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.sr-latn-rs.dll.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription3-pl.xrm-ms.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\FrequentOfficeUpdateSchedule.xml.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\en-US\msinfo32.exe.mui.tmp	a4a37a371f2cfe7533e49d580a18b750N.exe

C:\Users\Admin\AppData\Local\Temp\a4a37a371f2cfe7533e49d580a18b750N.exe
"C:\Users\Admin\AppData\Local\Temp\a4a37a371f2cfe7533e49d580a18b750N.exe"
1⤵
- Drops file in Program Files directory
PID:2472

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-1705699165-553239100-4129523827-1000\desktop.ini.tmp

Filesize
78KB

MD5
193f1535a96126a07b3e371f5051d709

SHA1
f4b42040c96020fcb5302f521192a0c18b2e1497

SHA256
a3b19db6c7d67f79f5c77ecfd781a9d679077fd153d3311511e4d11779a12fda

SHA512
1c4e20b0ef4f1c3745371b1e51918339a9b4edd09ac71e1df48adcef795f0ad4f6496561429f5d93008eb038671426f409eba82cede30b43068acc71b5707efe

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

Filesize
177KB

MD5
083acfe8d0abd6cb1199fa2f1abe1ec2

SHA1
fcf445bf43d076864715fcc971d0904cc33adf69

SHA256
fe129bad9728a079d5f08ab2a35f56817319a41f80a6afd0a75b42257f44ba85

SHA512
6ca74f278af9a3127d5f0787b99c21447eeca95848ca4a0e89ff862f9467c26b0436aaac7d6ff0f5ddd592ddfd8a9768736a063a474454e671bae6b5ca8a29bd

Download Submit
memory/2472-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2472-1786-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads