2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86

Analysis

max time kernel
120s
max time network
93s
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, 12:59

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General

Target

2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
Size

72KB
MD5

64104d08e9dc525532b358d96b879150
SHA1

2bb1f00b68d42d403a98e3d79014f22feede70a7
SHA256

2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86
SHA512

881ef5c5ce41f7c4a3cf51939cbc6de4cbb71aad6be2f012b31af57d5045cf647cd665ea67ca3a6dcfe0014eb9eee3168fdb0cba783f20468b016b5d10575013
SSDEEP

1536:CTWn1++PJHJXA/OsIZfzc3/Q8asUsJOLKc/xJtLJtTGVOv:KQSohsUsUKw

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4643) 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/4764-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000900000002343e-2.dat	upx
behavioral2/files/0x0004000000022922-6.dat	upx
behavioral2/memory/4764-903-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\+Connect to New Data Source.odc.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Linq.Queryable.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\management.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Java\jre-1.8\bin\resource.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Grace-ppd.xrm-ms.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Retail-ul-phn.xrm-ms.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationTypes.resources.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\System.Xaml.resources.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Forms.resources.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Windows.Controls.Ribbon.resources.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaBrightDemiBold.ttf.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Calibri Light-Constantia.xml.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_OEM_Perp-ul-phn.xrm-ms.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRINTL32.DLL.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\UIAutomationClient.resources.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\WindowsFormsIntegration.resources.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\splash_11-lic.gif.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\cpprestsdk.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOSB.DLL.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\MICROSOFT.DATA.RECOMMENDATION.COMMON.DLL.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\localedata.jar.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Trial-pl.xrm-ms.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_MAK-ppd.xrm-ms.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Http.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\System.Windows.Controls.Ribbon.resources.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-heap-l1-1-0.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jsdt.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Trial-ppd.xrm-ms.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-ul-phn.xrm-ms.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART14.BDR.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-utility-l1-1-0.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_KMS_Client-ul-oob.xrm-ms.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\EXCELPLUGINDATAPROVIDER.DLL.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-white_scale-140.png.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\UIAutomationProvider.resources.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy.jar.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Java\jre-1.8\bin\JAWTAccessBridge-64.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp-ul-phn.xrm-ms.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\System.Web.Mvc.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.sr-latn-rs.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Claims.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Controls.Ribbon.resources.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\BREEZE.WAV.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\PresentationUI.resources.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\bcel.md.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.FileVersionInfo.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.InteropServices.RuntimeInformation.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Controls.Ribbon.resources.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\Microsoft.VisualBasic.Forms.resources.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.Win32.Registry.AccessControl.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest4-pl.xrm-ms.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.ReportingServices.RsClient.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\w2k_lsa_auth.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Yellow Orange.xml.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessRuntimeR_PrepidBypass-ul-oob.xrm-ms.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSZIP.DIC.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\7-Zip\Lang\hu.txt.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Common Files\System\Ole DB\en-US\oledb32r.dll.mui.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Java\jdk-1.8\LICENSE.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-string-l1-1-0.dll.tmp	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.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	2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe

C:\Users\Admin\AppData\Local\Temp\2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe
"C:\Users\Admin\AppData\Local\Temp\2498d981126fe875c2d39cf238f5c90508e43f5a8f473f7e7896abe5f7dfdf86N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4764

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-1-5-21-355097885-2402257403-2971294179-1000\desktop.ini.tmp

Filesize
72KB

MD5
3ed1cd31988d2d02aa64651e96588491

SHA1
799801b8791ab4f6a6abeb50854f2e881b4722a4

SHA256
8cafa72cda19854f27477e9c8ad189f8b22949765fb96bf793506ce437647de9

SHA512
3c2b8bc586afc27e8202518f374abbb65c527d42547daf529feff2f343fcea69e43a69c3bec2267a5fad1a8503f87910f97bd5298441c973fa9f98c3b50ce711

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

Filesize
171KB

MD5
a89f5e6e2843bde1d7b4495880e24343

SHA1
2fbd0c7782258ae8d0e0be3f0eddf1b1b074f68f

SHA256
c8907790eb7dbb2923e90dc8a01396d0493e50e36d64c490499096b0bf93df1e

SHA512
88fa50c1810eae04aa62f94b9d9328b565ed41b75137e4c0698865fdc45bc2290b1c2311b878dfd810ab0655f5f941a340af06ccd3d050fed2f441a2fe29473c

Download Submit
memory/4764-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4764-903-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download