6b95b7f723db748a364c9109dbd82bef925ff5747483743ec48a451f600dfcc1

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
06/09/2024, 08:07

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General

Target

7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
Size

34KB
MD5

7d9ecbfb1992b4f7180125b8dc6a68f0
SHA1

9bb0775e9da9942ae8028b50276062e23b3bc186
SHA256

6b95b7f723db748a364c9109dbd82bef925ff5747483743ec48a451f600dfcc1
SHA512

7f0159d0451218b6767b2e5b45d52fa8a1e7088594eb7b33b35fb22cdcbfd9b5abc02a9ffdb9bbe3079fc53140515e422a37f306ec1caa20bf8e2fa5b6dabf83
SSDEEP

768:kBT37CPKKdJJBZBZaOAOIB3jM2jMO/7OSC:CTW7JJB7LD2I2IbSC

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/2124-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x0009000000023458-2.dat	upx
behavioral2/files/0x000400000002291b-6.dat	upx
behavioral2/memory/2124-954-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\UIAutomationClient.resources.dll.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-localization-l1-2-0.dll.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_MoveDrop32x32.gif.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_SubTrial-ppd.xrm-ms.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Trial-ppd.xrm-ms.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\IEAWSDC.DLL.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_OEM_Perp-ul-phn.xrm-ms.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTrial-pl.xrm-ms.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\auxpad.xml.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Controls.Ribbon.resources.dll.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\dom.md.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\CSIRESOURCES.DLL.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Sockets.dll.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\UIAutomationClient.resources.dll.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp4-ppd.xrm-ms.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription3-ppd.xrm-ms.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\dbgshim.dll.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\WindowsFormsIntegration.resources.dll.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\libxml2.md.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_OEM_Perp-ppd.xrm-ms.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Forms.resources.dll.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.Win32.Registry.AccessControl.dll.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\jpeg.md.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Word.Word.x-none.msi.16.x-none.xml.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Grace-ul-oob.xrm-ms.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\msjet.xsl.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msotelemetry.dll.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.VisualBasic.Core.dll.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.dll.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Forms.Primitives.resources.dll.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationProvider.resources.dll.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jli.dll.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Retail-ul-oob.xrm-ms.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-processthreads-l1-1-1.dll.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Forms.Design.resources.dll.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Calibri.xml.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTrial-pl.xrm-ms.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ar-SA\tipresx.dll.mui.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Resources.Reader.dll.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.Contracts.dll.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-runtime-l1-1-0.dll.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Models.dll.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\da.pak.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\el.pak.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\InstallFind.001.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\eula.dll.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ja\msipc.dll.mui.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\7-Zip\Lang\ps.txt.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\fi.pak.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\t2k.dll.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\icu_web.md.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\zip.dll.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\calendars.properties.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Windows.Forms.Primitives.resources.dll.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_ja.properties.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\resources.jar.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription5-ppd.xrm-ms.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_OEM_Perp-ul-phn.xrm-ms.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Trial-pl.xrm-ms.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.ReaderWriter.dll.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\System.Windows.Controls.Ribbon.resources.dll.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jhat.exe.tmp	7d9ecbfb1992b4f7180125b8dc6a68f0N.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	7d9ecbfb1992b4f7180125b8dc6a68f0N.exe

C:\Users\Admin\AppData\Local\Temp\7d9ecbfb1992b4f7180125b8dc6a68f0N.exe
"C:\Users\Admin\AppData\Local\Temp\7d9ecbfb1992b4f7180125b8dc6a68f0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2124

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-1-5-21-1302416131-1437503476-2806442725-1000\desktop.ini.tmp

Filesize
34KB

MD5
8716de494fa7f670fc45ecdafab0c8fe

SHA1
ab1d59a4fe6ba064e4e5cdfee3e72e09a854df07

SHA256
121607308dfa9ef97f1a87a09838231330f1bf7d192122a1b7e8dac6ba52cf24

SHA512
53371e3e60572c89e6afad61c7d711e5772e7bb4966fc0b1b580caa9c69cadc6dc9f738d0af1aa51b9e431738315a33f5bb9606bd84e3c3bc45927f15993ffd4

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

Filesize
133KB

MD5
705fbd372f56ca94e4e2d21902952dc0

SHA1
7ca9bb9adf3917ec0e44bf228ad3515320e29c5c

SHA256
2f7a17b1e07a0549dfb010647ab710857fc659f41b163c42affefc72ca3687ed

SHA512
71dff779e65eeb30ad4876484172caa81262819cd3fc5fc412490222824ae92a897ea57307120e43ada7b5e0de4677c7bada85c163726d65a77948765880060f

Download Submit
memory/2124-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2124-954-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download