16497ebf6c1939d90f685c2cf7cff2b2b9e2a77ae19822d112a0a166e98c7d60

Analysis

max time kernel
120s
max time network
115s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18-08-2024 16:20

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General

Target

f9135f3216c2ee3b0afedf06c74c6230N.exe
Size

24KB
MD5

f9135f3216c2ee3b0afedf06c74c6230
SHA1

97de6bd99cbc25b1c9c69b5578879426b1a8c9e4
SHA256

16497ebf6c1939d90f685c2cf7cff2b2b9e2a77ae19822d112a0a166e98c7d60
SHA512

f373a996cdc64dc6463438637c3833cd3839eebb5571c21c89b140961ca886b6a02e976d5a6923a916d6a7775cb62cf13f5c7ee107f5ea1ff7f6c815e851767b
SSDEEP

384:QOlIBXDaU7CPKK0TIhfJJ1Evd5BvhzaM9mSIEvd5BvhzaM9mSsxmMxm9+9TNYmAE:kBT37CPKKdJJ1EXBwzEXBwdcMcI9T+MD

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4690) 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/1004-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000900000002346d-2.dat	upx
behavioral2/files/0x000f000000022902-6.dat	upx
behavioral2/memory/1004-922-0x0000000000400000-0x000000000040A000-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\System.Security.Permissions.dll.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019VL_MAK_AE-ul-phn.xrm-ms.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_MAKC2R-pl.xrm-ms.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Security.dll.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\UIAutomationTypes.resources.dll.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\UIAutomationClientSideProviders.resources.dll.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Diagnostics.PerformanceCounter.dll.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\plugin2\msvcp140.dll.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Java\jre-1.8\lib\tzdb.dat.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-localization-l1-2-0.dll.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.en-us.dll.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad.xml.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javapackager.exe.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.shared.Office.x-none.msi.16.x-none.xml.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Trial-ul-oob.xrm-ms.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Security.dll.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\UIAutomationClientSideProviders.resources.dll.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusMSDNR_Retail-ppd.xrm-ms.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Trial-ul-oob.xrm-ms.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\orcl7.xsl.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.scale-180.png.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main.xml.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTrial-pl.xrm-ms.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusMSDNR_Retail-pl.xrm-ms.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019DemoR_BypassTrial180-ppd.xrm-ms.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019MSDNR_Retail-ul-phn.xrm-ms.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Office.PowerPivot.ExcelAddIn.dll.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jps.exe.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.PowerPivot.PowerPivot.x-none.msi.16.x-none.xml.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaSansRegular.ttf.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest3-ul-oob.xrm-ms.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\mashupcompression.dll.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\mshwLatin.dll.mui.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\System.Windows.Controls.Ribbon.resources.dll.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest2-ppd.xrm-ms.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TipTsf.dll.mui.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Windows.Forms.Primitives.resources.dll.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_WHATSNEW.XML.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\libEGL.dll.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Grace-ul-oob.xrm-ms.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial3-ul-oob.xrm-ms.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_OEM_Perp-ul-phn.xrm-ms.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_MAKC2R-pl.xrm-ms.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WORD_WHATSNEW.XML.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ObjectModel.dll.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-processthreads-l1-1-1.dll.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\GrantRead.wm.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\instrument.dll.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Java\jre-1.8\lib\meta-index.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_SubTrial-ppd.xrm-ms.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\AdHocReportingExcelClient.dll.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\7-Zip\Lang\mk.txt.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Csp.dll.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_SubTrial-ul-oob.xrm-ms.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.ReportingServices.RsClient.dll.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Tasks.dll.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\public_suffix.md.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSSRINTL.DLL.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Http.Json.dll.tmp	f9135f3216c2ee3b0afedf06c74c6230N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_wer.dll.tmp	f9135f3216c2ee3b0afedf06c74c6230N.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	f9135f3216c2ee3b0afedf06c74c6230N.exe

C:\Users\Admin\AppData\Local\Temp\f9135f3216c2ee3b0afedf06c74c6230N.exe
"C:\Users\Admin\AppData\Local\Temp\f9135f3216c2ee3b0afedf06c74c6230N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1004

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-1-5-21-945322488-2060912225-3527527000-1000\desktop.ini.tmp

Filesize
24KB

MD5
aa41e359264d7fde2c2694c2b5283baf

SHA1
ec5f1af52a680eb96b798a858c64dca76dad8b3c

SHA256
cb650f0eb2d8ee43adeab2d4142bc1fa3e7c302f47ade2dfcbc8f813971dc0b0

SHA512
71114d17184cd0190a87abcc9ade352222682caa63373318801c08ea48bd77af25db1e2473cb4dba4a3ab9f0b649bde63c06b523e1aef506eecfde4e9726eeef

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

Filesize
123KB

MD5
aa53374cd4b64cf39b3fc9376c072e42

SHA1
ea8d20546db87935db35e669e430292cdcd4dad1

SHA256
bbde3bd6a71fab2631ff19c058bbebf93564314327717e052981dfb9d2e8f5a9

SHA512
9c8d08615a269e3ccc0ece94c6d74cf5cbd690845b1e1422048abfe49d3a8469e98a72c231eacd0022bc6dbd9e7a947a25e926e44b2cccf53c40b7dfe355e3de

Download Submit
memory/1004-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1004-922-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download