eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63

Analysis

max time kernel
120s
max time network
107s
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, 03:16

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General

Target

eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
Size

76KB
MD5

d94aff8b7b78e64a458fc1343ef8a880
SHA1

e511e6dd2b7688363b4e203f0e9fe54ca8fbbbe1
SHA256

eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63
SHA512

ecce27bf50d90fc1cf2a1359bfb570654c55b81675e5a70c45d02643b992721add6717a67e47bee51889cbdd1570bfb3052173ca98b3bcb5b1b97cdac3533adb
SSDEEP

1536:V7Zf/FAxTW/ySSh9j+9jpGnu4PN54PNuetyetG:fny+ySSh9j+9jUnFW4etyetG

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4654) 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/3248-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023408-2.dat	upx
behavioral2/files/0x000800000002346b-6.dat	upx
behavioral2/memory/3248-906-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription1-ul-oob.xrm-ms.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_MAK-pl.xrm-ms.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\7-Zip\Lang\cy.txt.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-debug-l1-1-0.dll.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest-pl.xrm-ms.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_OEM_Perp-pl.xrm-ms.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_F_COL.HXK.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ChakraCore.Debugger.dll.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\EntityDataHandler.dll.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Input.Manipulations.resources.dll.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_zh_HK.properties.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Grace-ul-oob.xrm-ms.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail3-ul-phn.xrm-ms.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_KMS_Client-ul.xrm-ms.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Common Files\System\msadc\ja-JP\msaddsr.dll.mui.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\UIAutomationProvider.resources.dll.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\splash.gif.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ar\msipc.dll.mui.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\PresentationCore.resources.dll.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest2-ul-oob.xrm-ms.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\AccessRuntime2019_eula.txt.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jhat.exe.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\7-Zip\Lang\ar.txt.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\RepoMan.dll.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.Win32.Primitives.dll.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_OEM_Perp-ul-phn.xrm-ms.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProMSDNR_Retail-pl.xrm-ms.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\UIAutomationClient.resources.dll.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Windows.Forms.Primitives.resources.dll.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSO0127.ACL.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.WindowsDesktop.App.runtimeconfig.json.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\System.Xaml.resources.dll.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeServiceBypassR_PrepidBypass-ul-oob.xrm-ms.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\MEIPreload\manifest.json.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-pl.xrm-ms.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.scale-180.png.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-white_scale-100.png.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_altgr.xml.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ru-RU\tipresx.dll.mui.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\Microsoft.VisualBasic.Forms.resources.dll.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.DataAnnotations.dll.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\PresentationFramework.resources.dll.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\UIAutomationProvider.resources.dll.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationTypes.resources.dll.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Red.xml.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\pt-PT\tipresx.dll.mui.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msdaremr.dll.mui.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.dll.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe.config.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.scale-100.png.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Aero2.dll.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\java.security.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.contrast-white_scale-180.png.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-white_scale-80.png.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\7-Zip\History.txt.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\javafx_iio.dll.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Retail-pl.xrm-ms.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-synch-l1-1-0.dll.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_KMS_Client_AE-ul.xrm-ms.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail-ul-oob.xrm-ms.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\7-Zip\Lang\th.txt.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.WindowsDesktop.App.deps.json.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\System.Windows.Controls.Ribbon.resources.dll.tmp	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.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	eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe

C:\Users\Admin\AppData\Local\Temp\eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe
"C:\Users\Admin\AppData\Local\Temp\eccd65b6c2510347b70830c75ea5837002b1e5c422fa72731149c7d2686a4d63N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3248

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-1-5-21-945322488-2060912225-3527527000-1000\desktop.ini.tmp

Filesize
77KB

MD5
3d1609f09bf6d1a7a910b12cc46e6ef2

SHA1
8b5acd511b58e35e5e59adc9cf78fe00a21bfae6

SHA256
793ca68d8094dd1ea3e44708af22c53cb9bc67cc06551bb394a590aa6ef0c5ea

SHA512
ed551ba141e0d3b03ff2ca3cdfdcd6a18f9b81fdfbb37696a7bc60c2920d2eb554269990fbe7fe0c7e8a1e2a74bac76c9f90d08988412a35bfa1a3d56bd8c792

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

Filesize
175KB

MD5
b23a6f37cb7c84975f079f04e9f7a1b4

SHA1
a6649fe915ad845e238a83f8f3aedea42b1b4577

SHA256
8d960500d45d60235f533331b4dcaa24378cad7000cf8f0f9003b551766bc14b

SHA512
5d69ae172cf6d002cd5704e429a3bce8debf2cc0dda799d5e3dc5a8a5ea035bae1bade9f4d8858c656285ce947c581119c114470c9e30b4b0fa53b6d1f258412

Download Submit
memory/3248-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3248-906-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download