0f7489e45f1c5b1d4483c3059223c1aece974589022c81e480216f2ac4f15ff1

Analysis

max time kernel
120s
max time network
108s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-08-2024 12:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ea96c3044e433a9f50c5b3a2ca843e10N.exe
Size

29KB
MD5

ea96c3044e433a9f50c5b3a2ca843e10
SHA1

8fdf7d39524af7d0962d1f3d45123774454cc22a
SHA256

0f7489e45f1c5b1d4483c3059223c1aece974589022c81e480216f2ac4f15ff1
SHA512

2affa8ac3450f2473afecb65b7784e364c069cb64e1ad196aadce8fe0c67768c92849fe24431176b988aed0d32cc84b31e3da8e4647e86626c856b50fe875d3a
SSDEEP

768:kBT37CPKKdJJ1EXBwzEXBwdcMcI9mVlSGrPfmPoVlSGrPfmP2:CTW7JJ7ToVYGrPioVYGrPi2

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4686) 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/2032-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00090000000234a3-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/2032-946-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrusash.dat.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.NameResolution.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.TraceSource.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Forms.Design.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\xmlresolver.md.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-synch-l1-2-0.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_KMS_Automation-ul.xrm-ms.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019VL_MAK_AE-pl.xrm-ms.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\auxpad.xml.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Accessibility.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\hi.pak.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.PowerPoint.PowerPoint.x-none.msi.16.x-none.xml.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_KMS_Client-ul-oob.xrm-ms.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationClientSideProviders.resources.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\WindowsFormsIntegration.resources.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\Logo.png.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WINWORD_COL.HXT.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-multibyte-l1-1-0.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\en-GB.pak.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\limited\US_export_policy.jar.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Java\jre-1.8\lib\fontconfig.bfc.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial3-ppd.xrm-ms.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\Bibliography\BIBFORM.XML.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-black_scale-100.png.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Memory.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdVL_KMS_Client-ul.xrm-ms.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\PresentationCore.resources.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\PresentationUI.resources.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_OEM_Perp-ul-phn.xrm-ms.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Grace-ppd.xrm-ms.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp-ul-phn.xrm-ms.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\pt-BR\msipc.dll.mui.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.RegularExpressions.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\UIAutomationClient.resources.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Grace-ul-oob.xrm-ms.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\th-TH\tipresx.dll.mui.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Serialization.Xml.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\clrgc.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Forms.Primitives.resources.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\jopt-simple.md.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest1-ul-oob.xrm-ms.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Retail-pl.xrm-ms.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\UIAutomationClient.resources.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\t2k.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_OEM_Perp-ppd.xrm-ms.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial1-pl.xrm-ms.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Trial-pl.xrm-ms.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-file-l1-1-0.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Xaml.resources.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-processthreads-l1-1-0.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteFreeR_Bypass-ul-oob.xrm-ms.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.reportviewer.common.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.WindowsDesktop.App.deps.json.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\content-types.properties.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019MSDNR_Retail-ul-phn.xrm-ms.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Office.Interop.Outlook.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.Primitives.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\WindowsBase.resources.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\WindowsFormsIntegration.resources.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Java\jre-1.8\bin\hprof.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTest-ul-oob.xrm-ms.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Common Files\System\msadc\adcvbs.inc.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\WindowsBase.resources.dll.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\cryptix.md.tmp	ea96c3044e433a9f50c5b3a2ca843e10N.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	ea96c3044e433a9f50c5b3a2ca843e10N.exe

C:\Users\Admin\AppData\Local\Temp\ea96c3044e433a9f50c5b3a2ca843e10N.exe
"C:\Users\Admin\AppData\Local\Temp\ea96c3044e433a9f50c5b3a2ca843e10N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2032

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
30KB

MD5
59ff579df1b245fe063f8d1dc1f9c7eb

SHA1
5d408446ddb846544914624eca9109978e0c2f0e

SHA256
821135eb065a9505189aea96f317f27bc547a3a8a04517f3e946b45ef9a9e047

SHA512
fa8c9ea7d7a18a9022efcf169e0b457053c1cf2fc3069ee89e523b7c17e3dd2e1dfdbbe7907fc3d5ae42dddfacf5e186b709649cd8b9fe3fd97d7a41139f5909

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

Filesize
129KB

MD5
7781ac417492e0f98ea03c0a219584c1

SHA1
ce59efe035d48ba7f36a5ba801b0e6bcff639b36

SHA256
27d05b56c97c23c2f0ba395d8f1c64f2a8ec4227abcaa42f0079f02ffa2a40b8

SHA512
e2dbe2d9b80e239834549a4393eeedad7a49a71ce76baf22d463195b3a718b1ca396e6771be3bbd126352c56c0a575cc62c9fb9e028badd64edfb52c40505194

Download Submit
memory/2032-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2032-946-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download