Analysis
- max time kernel
120s - max time network
98s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
13/10/2024, 18:07
Behavioral task
behavioral1
Sample
efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe
Resource
win7-20240903-en
windows7-x64
4 signatures
120 seconds
Behavioral task
behavioral2
Sample
efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
4 signatures
120 seconds
General
- Target efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe
- Size 64KB
- Sample241013-wqa3eazere
- SHA256 efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97
- MD5 ce275160040b8eadd642981075d8b3b0
- SHA1 75530bc1fe9b1154bc121b2efa9be4ead9eae0c8
- SHA512 66b644e5d273556ab35a65edb5be96a2a533dcbb68d9d999869eb7671c9c40d23e4e05157e79bad1a5089b8f73334f58d063924c7d82cbae78317d66120a29a0
- SSDEEP 768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2aDM9uA9DM9uAFI4:CTWn1++PJHJXA/OsIZfzc3/Q8IZTO73
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Renames multiple (4652) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
resource yara_rule behavioral2/memory/1576-0-0x0000000000400000-0x000000000040A000-memory.dmp upx behavioral2/files/0x000b000000023b87-2.dat upx behavioral2/files/0x000600000001e5c2-6.dat upx behavioral2/memory/1576-783-0x0000000000400000-0x000000000040A000-memory.dmp upx - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\7-Zip\Lang\pt.txt.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Sockets.dll.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Linq.Parallel.dll.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\zlib.md.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Century Gothic-Palatino Linotype.xml.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Integration\C2RManifest.officemuiset.msi.16.en-us.xml.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Office16\mscss7en.dll.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-file-l1-2-0.dll.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Common Files\System\it-IT\wab32res.dll.mui.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\PresentationUI.resources.dll.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial5-ul-oob.xrm-ms.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_KMS_Client_AE-ppd.xrm-ms.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\MicrosoftDataStreamerforExcel.dll.config.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\7-Zip\Lang\da.txt.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\.version.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Forms.resources.dll.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest-ppd.xrm-ms.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_OEM_Perp-ppd.xrm-ms.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipsplk.xml.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-ul-phn.xrm-ms.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp3-ppd.xrm-ms.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_K_COL.HXK.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_OEM_Perp-ul-phn.xrm-ms.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTrial-ppd.xrm-ms.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.OpenSsl.dll.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework-SystemData.dll.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Java\jdk-1.8\THIRDPARTYLICENSEREADME-JAVAFX.txt.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-ppd.xrm-ms.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_OEM_Perp-ul-oob.xrm-ms.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\WORD_WHATSNEW.XML.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\APASixthEditionOfficeOnline.xsl.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\System.Windows.Forms.resources.dll.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\pt-BR.pak.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp3-ul-phn.xrm-ms.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Retail-ul-phn.xrm-ms.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Trial-ul-oob.xrm-ms.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\PRIVATE_ODBC32.dll.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Java\jre-1.8\lib\ext\jaccess.jar.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Java\jre-1.8\lib\security\policy\limited\local_policy.jar.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-ul-phn.xrm-ms.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Java\jdk-1.8\bin\rmic.exe.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTrial-ul-oob.xrm-ms.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.XLHost.Modeler.dll.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.scale-80.png.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Web.dll.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\PresentationFramework.resources.dll.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Spatial.NetFX35.dll.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.ConnectionUI.dll.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Windows.Forms.resources.dll.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\PresentationFramework.resources.dll.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Retail-ul-oob.xrm-ms.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_OEM_Perp-ppd.xrm-ms.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Common.dll.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.el-gr.dll.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\dotnet\host\fxr\8.0.2\hostfxr.dll.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.ZipFile.dll.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Numerics.dll.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\xalan.md.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_KMS_Client-ul-oob.xrm-ms.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Trial-pl.xrm-ms.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail-ppd.xrm-ms.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Globalization.Extensions.dll.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\Microsoft.VisualBasic.Forms.resources.dll.tmp efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.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 efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe"C:\Users\Admin\AppData\Local\Temp\efe1503d0b70cc19eacbe9171e9ad8456b3d38c33f1f006d975f050b9b918c97N.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1576
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\$Recycle.Bin\S-1-5-21-4050598569-1597076380-177084960-1000\desktop.ini.tmp
- Size 65KB
- SHA256 19724aa0d7f189ef7abc69eed231af26c949320dc19faf35559a0542eb921aed
- MD5 21acd5a036e330a8d13d6f7c5f7ae640
- SHA1 224b9f047152c273d68c0c148e410663347db3c7
- SHA512 63c1b19b280ec9709f0d5d14ed970b1d65de0899ce8ee1718623779e229c87c98b8cd312620d372b6c1d6ee0aa29c1242a32d48eb5c25ae8c53e7b243d730a44
- SSDEEP 768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2aDM9uA9DM9uAFI7:CTWn1++PJHJXA/OsIZfzc3/Q8IZTO7Q
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 163KB
- SHA256 5cf284f7cd88f060a7936be17275e17d7b44c140b6cec5e83f76bed3f49c53b7
- MD5 137c6fccc11437625952e2213ce01ee8
- SHA1 8e9e9dc0aa8bde9c8836e504d64a72fb28cdabb2
- SHA512 aab3f5880ef73698a8bdccee27ded978c1b944b207764e14ed992f8eea75bc568cf458bc5fefbb301c181240516688b0efbee3ea0fae49d6e45a05740758ac6d
- SSDEEP 1536:CTWn1++PJHJXA/OsIZfzc3/Q8IZTO7z4pWHlPEXZzjUq3th5f6utM5vLNinVmWv8:KQSo7Zi7CWHIjN3tj6qnv0b2UrXkbvLm
- MD5 SHA1 SHA512 SSDEEP