d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdf

Analysis

max time kernel
150s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/09/2024, 02:49

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General

Target

d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
Size

54KB
MD5

d20e88cfcbf549c043e48b3633c7e230
SHA1

e6b18a75d4bf07317a8dde41c6464f1f33990c36
SHA256

d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdf
SHA512

7be53cd8a53e1fbbed6ad424629602de03a4b59882935d435fb43e53c557fc35d68ee9d46f1e6c0f2c40a29952ab54165e972943a4ee2799ff347bd2b55d4470
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjSEXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2r9:V7Zf/FAxTWbi+

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5193) 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/3620-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000002346f-2.dat	upx
behavioral2/files/0x0004000000022933-6.dat	upx
behavioral2/memory/3620-924-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0090-0000-1000-0000000FF1CE.xml.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail3-pl.xrm-ms.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\POWERMAPCLASSIFICATION.DLL.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Xaml.resources.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationClient.resources.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\PresentationUI.resources.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-utility-l1-1-0.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\vcruntime140.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\trdtv2r41.xsl.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OWSSUPP.DLL.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_CopyDrop32x32.gif.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_KMS_Client_AE-ul.xrm-ms.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Microsoft Office\root\Templates\1033\EssentialLetter.dotx.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\7-Zip\Lang\pl.txt.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework-SystemXmlLinq.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\WindowsFormsIntegration.resources.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Forms.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\pt-BR.pak.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msotdaddin.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PROOF\MSGR8FR.LEX.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-fibers-l1-1-0.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\System.Windows.Controls.Ribbon.resources.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Internet Explorer\it-IT\iexplore.exe.mui.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_SubTest-ppd.xrm-ms.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.TextWriterTraceListener.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Controls.Ribbon.resources.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\PresentationCore.resources.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-time-l1-1-0.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Trial-ppd.xrm-ms.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC_F_COL.HXK.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\MsoAriaCApiWrapper.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Practices.Unity.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Windows.Forms.Design.resources.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\EnableCompress.dxf.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\InstallSearch.xlsm.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\joni.md.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_OEM_Perp-pl.xrm-ms.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\WordInterProviderRanker.bin.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_ko.properties.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\PRIVATE_ODBC32.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.DataWarehouse.Interfaces.DLL.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\7-Zip\Lang\kk.txt.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ThirdPartyNotices.MSHWLatin.txt.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Encoding.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Forms.Primitives.resources.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\PresentationCore.resources.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.scale-140.png.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp-ppd.xrm-ms.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\LASER.WAV.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\7-Zip\Lang\bg.txt.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Input.Manipulations.resources.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationClientSideProviders.resources.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\PresentationCore.resources.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Java\jre-1.8\LICENSE.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\UIAutomationClientSideProviders.resources.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_MAK-ul-oob.xrm-ms.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\TabTip.exe.mui.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\UIAutomationTypes.resources.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Forms.resources.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Java\jre-1.8\bin\dcpr.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-ppd.xrm-ms.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Resources.ResourceManager.dll.tmp	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.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	d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe

C:\Users\Admin\AppData\Local\Temp\d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe
"C:\Users\Admin\AppData\Local\Temp\d537329a9b3c25b89f23fcddd4c3f154590078b1ff52686849cd54790af24bdfN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3620

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
55KB

MD5
c8aa6df9ed8882b449931acffbf842c3

SHA1
aa33b79de929135f9a6dba4e8116ddd7e5e33e8a

SHA256
cb9f6f4df3e4f1c652dbaaa74e2a62cee478d86619eea6b44b4cfdbed71af6ba

SHA512
a376bca70852c50742019a7e00f04efb540df6653eb92b51c328646a507dad0ebc4cbab4035a936f3c9591c1172e4f252d9990ea9236240a4eb4ed606d651bd8

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

Filesize
154KB

MD5
22265faed277a03bbb4aff43e331b13e

SHA1
9f72c99e5b3ff276164c67178a4a7f548bf7d580

SHA256
da0104f355c9c79da6ffbcd9fe62c6f82d2299849eda1b9036198e749239b75c

SHA512
ed051fb65fcdf2d1e842f1189038b502dd5a84a0180044cd3e96026c957f0423144c6a2c2a0525ce6c37c40f1599ee795e481571d4cb101f1996fd6e5405e233

Download Submit
memory/3620-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3620-924-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download