c195da50a0bdb8aeaed49105337a7c765f908c2109bf0e1124ec45d5bc193f8c

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
14/09/2024, 00:36

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General

Target

26f980916d03de59b423a9d72b1d84b0N.exe
Size

43KB
MD5

26f980916d03de59b423a9d72b1d84b0
SHA1

2bd702105b555d6b5eb2da86d882a58d7c37d785
SHA256

c195da50a0bdb8aeaed49105337a7c765f908c2109bf0e1124ec45d5bc193f8c
SHA512

6c4d3a7f9fddd9de3d0e3f82dd6888939609b05aa649921ea348cc738e8271d819340a49d01a955928c9438b3072d60d2da5e98ff5410f11d70104014055d188
SSDEEP

768:kBT37CPKKdJJcbQbf1Oti1JGBQOOiQJhATBaMYtw2Yw2ASfgWgA:CTW7JJZENTBTYxS3

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4667) 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/5000-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x0009000000023475-2.dat	upx
behavioral2/files/0x0004000000022933-6.dat	upx
behavioral2/memory/5000-994-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial5-ul-oob.xrm-ms.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_SubTrial-ul-oob.xrm-ms.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Grace-ppd.xrm-ms.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\UIAutomationProvider.resources.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\PresentationFramework.resources.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0090-0409-1000-0000000FF1CE.xml.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.contrast-white_scale-180.png.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\joni.md.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_MAK-ul-phn.xrm-ms.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Retail-ppd.xrm-ms.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Library\SOLVER\SOLVER32.DLL.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\ReachFramework.resources.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessEntryR_PrepidBypass-ul-oob.xrm-ms.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\linesstylish.dotx.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\vcruntime140.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTrial-ul-oob.xrm-ms.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\zh-TW\msipc.dll.mui.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ko-kr.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\tabskb.dll.mui.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\WindowsBase.resources.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\UIAutomationProvider.resources.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.powerpointmui.msi.16.en-us.xml.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Retail-ppd.xrm-ms.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_MAK-pl.xrm-ms.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.it-it.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-CA\tipresx.dll.mui.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-private-l1-1-0.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Green.xml.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Trial-pl.xrm-ms.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_OEM_Perp-ppd.xrm-ms.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.FileSystem.Primitives.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Controls.Ribbon.resources.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\msvcp140.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\WindowsFormsIntegration.resources.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\glib-lite.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Java\jre-1.8\Welcome.html.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest2-ul-oob.xrm-ms.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\auxpad\auxbase.xml.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\coreclr.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Windows.Input.Manipulations.resources.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Retail-pl.xrm-ms.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.ServicePoint.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Royale.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-xstate-l2-1-0.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.ThreadPool.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Forms.Primitives.resources.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\cursors.properties.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Windows.Forms.resources.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_OEM_Perp-pl.xrm-ms.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-ul-phn.xrm-ms.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Serialization.Formatters.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-white_scale-80.png.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_OEM_Perp-pl.xrm-ms.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail2-ppd.xrm-ms.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.Office.Tools.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\WindowsFormsIntegration.resources.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Slipstream.xml.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_OEM_Perp-pl.xrm-ms.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Configuration.ConfigurationManager.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Red.xml.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-timezone-l1-1-0.dll.tmp	26f980916d03de59b423a9d72b1d84b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_OEM_Perp-pl.xrm-ms.tmp	26f980916d03de59b423a9d72b1d84b0N.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	26f980916d03de59b423a9d72b1d84b0N.exe

C:\Users\Admin\AppData\Local\Temp\26f980916d03de59b423a9d72b1d84b0N.exe
"C:\Users\Admin\AppData\Local\Temp\26f980916d03de59b423a9d72b1d84b0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:5000

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-1-5-21-1194130065-3471212556-1656947724-1000\desktop.ini.tmp

Filesize
43KB

MD5
3b1002715c5027c1b42dd7cc728e9f70

SHA1
d8062d955c3b6f630ce308eeebb780a087b4cb1f

SHA256
a1e73f8048f204b7971a750a34a56f9f277b1153249166c48ac2a863f700b98f

SHA512
4ee4a764d747b5491cb25deca104686e05478d8de05286d2d3fc6bc7ae77609a39f6b02d60e19b1fa06b485a374671344949c599f191911cad7b922ec9374c77

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

Filesize
142KB

MD5
f1e542e98da6c4a89af5fa59acd8bf5f

SHA1
d9fb473bdb28b42dec85872fa1b8fddfd34ab15e

SHA256
478f8439aefe6d54a3c5e9d74a1b32fd3c22fb56879fe17657adce60a1f6dffc

SHA512
723dc4e487aa1b523011d94d8b3dbef729926dd829594ed4a401723bd21fe781a26a69dbf47deee74d17f35394a8ec75e4bfc8bd41c412a1ea348fd10f836b80

Download Submit
memory/5000-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/5000-994-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download