Analysis
- max time kernel
120s - max time network
93s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
18/09/2024, 09:11
Behavioral task
behavioral1
Sample
db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
Resource
win7-20240903-en
windows7-x64
4 signatures
120 seconds
Behavioral task
behavioral2
Sample
db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
4 signatures
120 seconds
General
- Target db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
- Size 78KB
- Sample240918-k5tyaatdnj
- SHA256 db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1
- MD5 27e63555d42eec6cb432100b18793be0
- SHA1 ac99102c13d14b33edc4e536b5238e5474362efc
- SHA512 f6f29d6476197c56d70a329df70eef8b3c064b981daa0eed8b45dc700f975fe2090056b4dc1f2d67d4ea12b3893fbed4320b5e010057488ee5c199391c3af216
- SSDEEP 768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI982AZJE2AZJ/WBT37CPKD:V7Zf/FAxTWoJJ7TMTW7JJ7TlKX/8KX/l
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Renames multiple (4645) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
resource yara_rule behavioral2/memory/3564-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x00090000000233fb-2.dat upx behavioral2/files/0x000400000002291b-6.dat upx behavioral2/memory/3564-936-0x0000000000400000-0x000000000040B000-memory.dmp upx - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-processthreads-l1-1-1.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription5-ppd.xrm-ms.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Microsoft Office\root\Office16\CSS7DATA000A.DLL.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\en-us\msipc.dll.mui.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\UIAutomationTypes.resources.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Xaml.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Windows.Forms.resources.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription2-ppd.xrm-ms.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Microsoft Office\root\Client\C2R64.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-ul-oob.xrm-ms.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_OEM_Perp-pl.xrm-ms.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.Annotations.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationTypes.resources.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\PresentationCore.resources.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Java\jre-1.8\bin\rmid.exe.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-processthreads-l1-1-1.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OneNoteVL_KMS_Client-ul.xrm-ms.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Java\jre-1.8\lib\currency.data.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial2-pl.xrm-ms.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\7-Zip\Lang\eu.txt.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Web.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\ReachFramework.resources.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\colorimaging.md.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Java\jre-1.8\bin\unpack200.exe.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Century Schoolbook.xml.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Microsoft Office\root\Integration\C2RManifest.office32mui.msi.16.en-us.xml.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-ul-phn.xrm-ms.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.WebSockets.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Forms.resources.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\PresentationUI.resources.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Java\jdk-1.8\include\win32\jawt_md.h.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Java\jre-1.8\bin\bci.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_K_COL.HXK.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-white_scale-180.png.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\7-Zip\Lang\ja.txt.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.th-th.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XmlDocument.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\PresentationCore.resources.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Microsoft Office\root\Integration\C2RManifest.excelmui.msi.16.en-us.xml.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_OEM_Perp-ul-oob.xrm-ms.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Grace-ppd.xrm-ms.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Common Files\microsoft shared\ink\InkDiv.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Common Files\microsoft shared\ink\InputPersonalization.exe.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ObjectModel.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Requests.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Microsoft Office\root\Integration\C2RManifest.officemuiset.msi.16.en-us.xml.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\javafx\libxslt.md.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription4-ppd.xrm-ms.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\CHICAGO.XSL.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\zh-changjei.xml.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-processthreads-l1-1-0.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Forms.Primitives.resources.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationClientSideProviders.resources.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-console-l1-1-0.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\ext\jfxrt.jar.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-filesystem-l1-1-0.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-ppd.xrm-ms.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.NameResolution.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Encoding.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\Microsoft.VisualBasic.Forms.resources.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\UIAutomationClientSideProviders.resources.dll.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ta.pak.tmp db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe"C:\Users\Admin\AppData\Local\Temp\db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3564
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-1302416131-1437503476-2806442725-1000\desktop.ini.tmp
- Size 79KB
- SHA256 e2a0da39ab0e3c3a439e21545eb93596992051c5de497a701a443101db3aa65f
- MD5 cbb7423cb42694df57312d4314d852cf
- SHA1 56838e6c5483ab6ba44be843f5f70f415e6dc509
- SHA512 20b933a729130d6b3d6c5df76fba53c313a435d0c2a7312a493f9a8e58af4ad81caf1282d92d7bba4cf4104fa5f3d1cab761ba26cbb6bbe7f66910b16196b375
- SSDEEP 1536:V7Zf/FAxTWoJJ7TMTW7JJ7TlKX/8KX/35:fny1nM
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 177KB
- SHA256 1001c280a86e3ae5ac547a36f02b1375ba1dd327eaf88af5984bddaa48a6c06d
- MD5 d504f54ea561b6d3744bcddfea9e1eb3
- SHA1 4748e889f1f1b2b12550387519747523bc5e9235
- SHA512 e60c0090f2bda544745472b6f44fe2cda9c5a09fe05a6c4cf9b209b17b682819eadf044a36b7aa45a5bbc07056b42736bb28cafad59570b2b89dd7b2086a0a49
- SSDEEP 1536:V7Zf/FAxTWoJJ7TMTW7JJ7TlKX/8KX/x4pWHlPEXZzjUq3th5f6utM5vLNinVmWF:fny1nDWHIjN3tj6qnv0b2UrXkbvL3
- MD5 SHA1 SHA512 SSDEEP