43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404e

Analysis

max time kernel
120s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 05:29

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General

Target

43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
Size

24KB
MD5

1fd6fae17c7f1329a1eb16e0ec094540
SHA1

690aa735f033d227bef667e9c229bb96620874b8
SHA256

43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404e
SHA512

f7c7e0babbc7cbb8d65d23fc30b4b462cc687842b71f99fde9b4fc9761fed9bf8086faa2da2f1cb0a02ca06e97be28053005da92018b94b121df9d2c73574136
SSDEEP

384:QOlIBXDaU7CPKK0TIhfJJ1Evd5BvhzaM9mSIEvd5BvhzaM9mSsxmMxm9+9DC:kBT37CPKKdJJ1EXBwzEXBwdcMcI9G

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4676) 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/3168-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00090000000234b1-2.dat	upx
behavioral2/files/0x00080000000234b7-6.dat	upx
behavioral2/memory/3168-1048-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.ReaderWriter.dll.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\UIAutomationProvider.resources.dll.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentDemoR_BypassTrial180-ul-oob.xrm-ms.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHLEX.DAT.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Document.XmlSerializers.dll.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\Microsoft.VisualBasic.Forms.resources.dll.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebSockets.dll.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial5-pl.xrm-ms.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\TPN.txt.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\UIAutomationClient.resources.dll.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\webkit.md.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Grace-ul-oob.xrm-ms.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_KMS_Client-ul.xrm-ms.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\System.Runtime.InteropServices.RuntimeInformation.dll.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Common Files\microsoft shared\VC\msdia90.dll.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Common Files\System\msadc\adcjavas.inc.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msaddsr.dll.mui.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\PresentationUI.resources.dll.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Xaml.resources.dll.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_SubTrial-pl.xrm-ms.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Globalization.dll.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.Emit.ILGeneration.dll.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\UIAutomationTypes.resources.dll.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\UIAutomationClient.resources.dll.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\PresentationFramework.resources.dll.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskmenu\oskmenubase.xml.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msdaprsr.dll.mui.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Mail.dll.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.CompilerServices.VisualC.dll.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\WindowsBase.resources.dll.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\PresentationUI.resources.dll.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Library\Analysis\PROCDB.XLAM.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-white_scale-180.png.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RHeartbeatConfig.xml.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\libxslt.md.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProMSDNR_Retail-ul-oob.xrm-ms.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-time-l1-1-0.dll.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\BOMB.WAV.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Arial.xml.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Grace-ppd.xrm-ms.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.scale-180.png.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\VOLTAGE.WAV.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\Microsoft.VisualBasic.Forms.resources.dll.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Retail-ul-oob.xrm-ms.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_O17EnterpriseVL_Bypass30-ppd.xrm-ms.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest4-ul-oob.xrm-ms.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_OEM_Perp-ppd.xrm-ms.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\GRAPH.ICO.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Java\jdk-1.8\include\classfile_constants.h.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_OEM_Perp-ul-oob.xrm-ms.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Common Files\System\msadc\msdarem.dll.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_MAK-ppd.xrm-ms.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_MAK_AE-ppd.xrm-ms.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_Subscription-pl.xrm-ms.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE.HXS.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Ping.dll.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\UIAutomationClient.resources.dll.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Forms.resources.dll.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\asm.md.tmp	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\[email protected]	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.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	43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe

C:\Users\Admin\AppData\Local\Temp\43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe
"C:\Users\Admin\AppData\Local\Temp\43633f6647a2bd9ea5d2174e91b49e5c3d1b6b4472ef6f57eee118403b24404eN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3168

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-1-5-21-2718105630-359604950-2820636825-1000\desktop.ini.tmp

Filesize
24KB

MD5
7b90365933ecb42d1806a7b15b25c590

SHA1
c5bfbcbb70c12cc99a732494a593c8be60eb1b69

SHA256
fe2ddc82e9bbc1988906bca7724abd0e3c55c2e37f66408af25c24331b8f040b

SHA512
3be3e8dc9933b48de87488458101b863da5b85661fabd6db8e533c6478f6dc94156d2344d406f6cd7534396117f0f6835edc667393180d2bf299beb42b4a3ad1

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

Filesize
123KB

MD5
b2ca51f2784650c200953a8b812b1fce

SHA1
82a59a124ef607df7ede21a85594eae66efda39b

SHA256
dfab11d84a2ccdd106aa409efe213aa8ea6332778fc546e0705905facad855a5

SHA512
6fffa4cca4e8e29e04c6c94535d95055f2a01628fb6572b2306ffbebaa8b360538b3992ca4e508c0892dddc75641cf0bc9b9ca43dae48246157835cc89bb26af

Download Submit
memory/3168-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3168-1048-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download