a747d1ddb135790bbec9967be1e60d90d2302fd89fabb757d12bc616cc8edba8

Analysis

max time kernel
120s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-09-2024 12:36

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b0e78b6462fefea47a6ed17070296b90N.exe
Size

123KB
MD5

b0e78b6462fefea47a6ed17070296b90
SHA1

370011be7a8332ce94dfc4d894117474a99113c7
SHA256

a747d1ddb135790bbec9967be1e60d90d2302fd89fabb757d12bc616cc8edba8
SHA512

c7802e09a2285d0c6c0ff6484a634198c5293c2ad91336116df3b2d51756877a26d8f141d93d9df1f3deac33a1dc3c215a6782c000d316c5ffc0e8dc60d0e6ad
SSDEEP

1536:V7Zf/FAxTWoJJZENTNyavf73tQqarjrtuGh1eMBdSO22MsoFRp4nem4ccCy7:fny1tEvfjqq4J0g8sURp4uccF

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4390) 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/3944-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023496-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/3944-828-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\PresentationCore.resources.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-locale-l1-1-0.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Inset.eftx.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest5-pl.xrm-ms.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\UIAutomationTypes.resources.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ms-my.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Tasks.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Resources.Extensions.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\System.Xaml.resources.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusDemoR_BypassTrial180-ul-oob.xrm-ms.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Encodings.Web.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\System.Windows.Controls.Ribbon.resources.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.ReportingServices.AdHoc.Excel.Client.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Transactions.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.VisualBasic.Forms.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.WindowsDesktop.App.runtimeconfig.json.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Java\jre-1.8\lib\jce.jar.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-heap-l1-1-0.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\InputPersonalization.exe.mui.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Emit.Lightweight.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationTypes.resources.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\PresentationCore.resources.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Windows.Forms.Design.resources.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\PresentationCore.resources.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\WindowsBase.resources.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Retail-ul-phn.xrm-ms.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\officeinventoryagentlogon.xml.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_MAK-ul-phn.xrm-ms.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.PowerBI.AdomdDataExtension.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main.xml.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Json.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Java\jre-1.8\bin\decora_sse.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Java\jre-1.8\bin\ucrtbase.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\POWERMAPCLASSIFICATION.DLL.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\TipTsf.dll.mui.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\clrjit.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\PresentationUI.resources.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Java\jre-1.8\lib\content-types.properties.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Retail-ppd.xrm-ms.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.NETCore.App.runtimeconfig.json.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Input.Manipulations.resources.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\ReachFramework.resources.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp4-ppd.xrm-ms.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymsb.ttf.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.Office.Tools.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\DBGHELP.DLL.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-locale-l1-1-0.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msaddsr.dll.mui.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Transactions.Local.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\WindowsFormsIntegration.resources.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RInt.16.msi.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-processenvironment-l1-1-0.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Trial-ul-oob.xrm-ms.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Retail-pl.xrm-ms.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\WindowsFormsIntegration.resources.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\PresentationCore.resources.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaTypewriterBold.ttf.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\i640.hash.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\UIAutomationTypes.resources.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jp2ssv.dll.tmp	b0e78b6462fefea47a6ed17070296b90N.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	b0e78b6462fefea47a6ed17070296b90N.exe

C:\Users\Admin\AppData\Local\Temp\b0e78b6462fefea47a6ed17070296b90N.exe
"C:\Users\Admin\AppData\Local\Temp\b0e78b6462fefea47a6ed17070296b90N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3944

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

Loading Replay Monitor...

Downloads

C:\$Recycle.Bin\S-1-5-21-4182098368-2521458979-3782681353-1000\desktop.ini.tmp

Filesize
124KB

MD5
41e043af120df01139254cfb5a1c42cd

SHA1
16f6a18c97505658e6e8efcfc337d1500e032552

SHA256
0afc6ed79267adb0d132adbb6ffe1b7605d05bbf686cffa4b6ad6d5b5d018568

SHA512
1fb31350cb6d94aa4c10edcb732151d327864f0518b1a3ad661ef548eaf3be8ddc6e0e5c0a06d753d2bc4916e1253b5100b1981013af66c1afc2253269531ba4

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

Filesize
223KB

MD5
2f29f4cf94577553366c2616ec6345fe

SHA1
b75b3234a898297a0d4f3cb8aae2b9b483a57354

SHA256
e6eae6c3631b803e380eeef51c176cdd25baac7be9ab384f1e4d43bb628ffaf4

SHA512
ac9cc090bf9ff6a375fd21e63413071b146e76a63de9077b32bda524a59875ad39fc62184f45feaa90d9cfaa0aae85bf82e7a390ec5823f20e4f4b537fb697c1

Download Submit
memory/3944-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3944-828-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download