d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f

Analysis

max time kernel
150s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26/08/2024, 03:33

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General

Target

d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
Size

30KB
MD5

3b0279936f4a652d9b7f122053703887
SHA1

410198ded33cc9e64f1fbf8902a9bee462d4c11c
SHA256

d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f
SHA512

15a9c3a510baeffd01b7f3694fd2af8b42124ac9a2b181e9072c9825b83e11ef511c424759baf64b2264f920e9745940c2843db732215f851f7902b9ab655e89
SSDEEP

768:kBT37CPKKdJJ1EXBwzEXBwdcMcI9woOzOuiJfoOzOuiJb:CTW7JJ7T4MU

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5303) 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/4020-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x0009000000023442-2.dat	upx
behavioral2/files/0x000400000002291b-6.dat	upx
behavioral2/memory/4020-1060-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-environment-l1-1-0.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-black_scale-180.png.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.ZipFile.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.UnmanagedMemoryStream.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\ReachFramework.resources.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\UIAutomationClientSideProviders.resources.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\eula.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Extensions.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Grace-ppd.xrm-ms.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\GFX.DLL.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PROOF\msgr8fr.dub.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Presentation.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_Subscription-ppd.xrm-ms.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.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	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL078.XML.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PersonaSpy\PersonaSpy.html.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\7-Zip\Lang\fa.txt.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.Metadata.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\UIAutomationClient.resources.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG_K_COL.HXK.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\SignalRClient.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\Templates\1033\RedAndBlackLetter.dotx.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\TipRes.dll.mui.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.TypeConverter.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Pipes.AccessControl.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\WindowsFormsIntegration.resources.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-file-l1-2-0.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\1033\ALRTINTL.DLL.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Grace-ppd.xrm-ms.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Xaml.resources.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\WindowsFormsIntegration.resources.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Trial-pl.xrm-ms.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTest-ppd.xrm-ms.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_KMS_Client-ppd.xrm-ms.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\7-Zip\Lang\zh-tw.txt.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationTypes.resources.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Windows.Forms.Design.resources.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\relaxngdatatype.md.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_O17EnterpriseVL_Bypass30-ul-oob.xrm-ms.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\TipTsf.dll.mui.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.Win32.SystemEvents.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\basicstylish.dotx.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Exchange.WebServices.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DBGCORE.DLL.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\jfr\profile.jfc.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Java\jre-1.8\bin\plugin2\npjp2.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\splash.gif.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Milk Glass.eftx.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_O16EnterpriseVL_Bypass30-ppd.xrm-ms.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.StackTrace.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\gstreamer.md.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL016.XML.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Primitives.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.CompilerServices.VisualC.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\mlib_image.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019MSDNR_Retail-ul-oob.xrm-ms.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusDemoR_BypassTrial180-ul-oob.xrm-ms.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\7-Zip\Lang\nl.txt.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Ping.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework-SystemCore.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Grace-ul-oob.xrm-ms.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-private-l1-1-0.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Common.Wizard.dll.tmp	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.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	d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe

C:\Users\Admin\AppData\Local\Temp\d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe
"C:\Users\Admin\AppData\Local\Temp\d32a2804518f8135e79637b77af14cfd1ef213db6497be136a1124de59bae60f.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4020

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
30KB

MD5
084a32a6dd12fd36e7597763cb301a52

SHA1
2244809fc64744b116d4d3478c87ae4ddc938c70

SHA256
607aece5fbaee3b15dd22aba5a349a2e46a801aba1d9dfe3b1ea9b456315cf31

SHA512
a6f620b9dfadec34a195709a35fc518b08b6b31561b6170a93a9e0e068b62bf13caa1d0a3f2911570c8ede4244bdb509b227074ecc1b74298ab953494e624a7b

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

Filesize
129KB

MD5
df2b6283203fb639845d37cc42cd33a8

SHA1
e17c54bd213abfa7d443a88e663c710d03d28528

SHA256
9434b00d03e1146b9bb0497b74550bdbfc77c9e726e00153fda3e8725210296a

SHA512
dea9aebf37949a21df54c26903e5a18390971cf005671276e5d4e893ea3a22d201b9b8aa38e5f3f1a0d412715332356b9794dfcb326ac9328c7e53db4a3f9960

Download Submit
memory/4020-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4020-1060-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download