8c9cdf31110cdfe21983cbbf2f3611c6408e895909b58583794cc79f24a2cf1c

Analysis

max time kernel
120s
max time network
94s
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, 09:01

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General

Target

8dad147e55583903e1216dee6c452820N.exe
Size

40KB
MD5

8dad147e55583903e1216dee6c452820
SHA1

327e1a4683372ebc6b2d884503d48e8acf7e2e16
SHA256

8c9cdf31110cdfe21983cbbf2f3611c6408e895909b58583794cc79f24a2cf1c
SHA512

0e526871416f196eb0f6dc7ea6983d11371a8db280d292f0a304d6a7e42cd7850a580748c0954ca35cee533ef60453ddc62ec7dfb9ff0e87b0a56660ca3edad2
SSDEEP

768:kBT37CPKKdJJ1EXBwzEXBwdcMcI9HXEpwuD7I/pwuD7I5yAohGCYyAohGE:CTW7JJ7TFXCwnwDy4CYy4E

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4673) 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/320-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00090000000233c3-2.dat	upx
behavioral2/files/0x000f000000022902-6.dat	upx
behavioral2/memory/320-996-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-ul-phn.xrm-ms.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Xaml.resources.dll.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Java\jre-1.8\lib\javaws.jar.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_MAK-pl.xrm-ms.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Windows.Controls.Ribbon.resources.dll.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\attach.dll.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Java\jdk-1.8\release.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Java\jre-1.8\lib\calendars.properties.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_MAK-pl.xrm-ms.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\tabskb.dll.mui.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\zh-CN\tipresx.dll.mui.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\vstoee.dll.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019MSDNR_Retail-pl.xrm-ms.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymk.ttf.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrenclm.dat.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ca.pak.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaBrightRegular.ttf.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.powerpointmui.msi.16.en-us.xml.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Retail-pl.xrm-ms.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.scale-80.png.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsplk.xml.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Web.dll.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.Xml.Linq.dll.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\UIAutomationClientSideProviders.resources.dll.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial3-ppd.xrm-ms.tmp	8dad147e55583903e1216dee6c452820N.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	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\7-Zip\7z.sfx.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.dll.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Controls.Ribbon.resources.dll.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdVL_MAK-pl.xrm-ms.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Office.Interop.Excel.dll.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_Subscription-pl.xrm-ms.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-ul-phn.xrm-ms.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.scale-180.png.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\7-Zip\Lang\io.txt.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationClient.resources.dll.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\WindowsFormsIntegration.resources.dll.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_MAK_AE-ul-oob.xrm-ms.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Retail-pl.xrm-ms.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MYSL.ICO.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\TipTsf.dll.mui.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.WindowsDesktop.App.deps.json.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_OEM_Perp-pl.xrm-ms.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\ExportCopy.wpl.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Java\jre-1.8\lib\management-agent.jar.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_O16ConsumerPerp_Bypass30-ppd.xrm-ms.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Trial-pl.xrm-ms.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Grace-ppd.xrm-ms.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\7-Zip\7-zip.chm.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ThirdPartyNotices.MSHWLatin.txt.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Common Files\microsoft shared\VGX\VGX.dll.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Trial-pl.xrm-ms.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Drawing.Primitives.dll.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.AeroLite.dll.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ChakraCore.Debugger.dll.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Trial-ppd.xrm-ms.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp2-ppd.xrm-ms.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\es\msipc.dll.mui.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\dotnet\LICENSE.txt.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Windows.Forms.resources.dll.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jsdt.dll.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART5.BDR.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.contrast-white_scale-100.png.tmp	8dad147e55583903e1216dee6c452820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\UIAutomationTypes.resources.dll.tmp	8dad147e55583903e1216dee6c452820N.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	8dad147e55583903e1216dee6c452820N.exe

C:\Users\Admin\AppData\Local\Temp\8dad147e55583903e1216dee6c452820N.exe
"C:\Users\Admin\AppData\Local\Temp\8dad147e55583903e1216dee6c452820N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:320

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
41KB

MD5
c7ced7f49bcecd8c724cb252dfcf99b3

SHA1
6c666ea03ce36baa31a9f5f35fb2372116cddc64

SHA256
7567ab2a9b9517660dc346960a559d25b7dfb26bae654b051fb601c3314a6484

SHA512
91f904b731b730898ca1cc0f169b1ff065686fc8ace1af974b6f58d6e6094c2f3794fb601d85045b11e29753dd2780cf41c8f1700f377d6e0f4c13f9e7151916

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

Filesize
139KB

MD5
2f77069e076f181da3b5333fde0fccc6

SHA1
114b161fe651419fc4ab491aeb24eb71f428801c

SHA256
740b8bf14750ca9a210834eac0d806b76ff95a613d1162a2aefd967691bf9cf6

SHA512
96631484d9aba346c283ecf842bf4f08274c5feee0b71937f4d0cf725efeb47d11a48c47ee67edb054cbc778e3548f3b63742b48cc078fbe0c7244057397e520

Download Submit
memory/320-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/320-996-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download