Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
08/09/2024, 03:27
Behavioral task
behavioral1
Sample
8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
Resource
win7-20240903-en
windows7-x64
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
4 signatures
150 seconds
General
- Target 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
- Size 55KB
- Sample240908-dz7tmatbkn
- SHA256 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf
- MD5 254b590f2e892d668f1bcd3eb0316122
- SHA1 97c69410d9885682af94be3f92dcd26a10b6c569
- SHA512 e73260e98c8377eba17e332582445ffabdeaca3272b17c39065fb677650eb5ee04e1f2c6000d686363884d169ae255b9f9a567f9a920338eb3e2217e697aced5
- SSDEEP 768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9ZJW5eiW5ei9:V7Zf/FAxTWoJJ7TzJWDWD9
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Renames multiple (5045) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
resource yara_rule behavioral2/memory/5020-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x0003000000022ab1-2.dat upx behavioral2/files/0x0004000000022922-6.dat upx behavioral2/memory/5020-920-0x0000000000400000-0x000000000040B000-memory.dmp upx - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Java\jre-1.8\bin\glib-lite.dll.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_MAKC2R-ul-oob.xrm-ms.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\EXCELPLUGINDATAPROVIDER.DLL.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Microsoft Office\root\Office16\OneNote\prnSendToOneNote.cat.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\7-Zip\Lang\mn.txt.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\pkcs11wrapper.md.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Forms.Design.resources.dll.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.AeroLite.dll.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationClientSideProviders.resources.dll.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\PresentationCore.resources.dll.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Microsoft Office\Office16\OSPP.VBS.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\ClientLangPack2019_eula.txt.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\7-Zip\7z.exe.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebHeaderCollection.dll.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Java\jre-1.8\legal\jdk\jcup.md.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Retail-ul-phn.xrm-ms.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeServiceBypassR_PrepidBypass-ul-oob.xrm-ms.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\LyncBasic_Eula.txt.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOARIACAPI.DLL.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Common Files\microsoft shared\ink\ja-JP\InkObj.dll.mui.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-libraryloader-l1-1-0.dll.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaBrightDemiItalic.ttf.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\jopt-simple.md.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Microsoft Office\root\Office16\MEDIA\CHIMES.WAV.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Common Files\microsoft shared\ink\lt-LT\tipresx.dll.mui.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-console-l1-1-0.dll.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Java\jdk-1.8\THIRDPARTYLICENSEREADME-JAVAFX.txt.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial5-ul-oob.xrm-ms.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Trial-ppd.xrm-ms.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Tasks.Extensions.dll.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\giflib.md.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Grayscale.xml.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_Subscription-ul-oob.xrm-ms.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Microsoft Office\root\Office16\OFFSYMK.TTF.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.dll.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Java\jre-1.8\bin\mlib_image.dll.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Forms.Primitives.resources.dll.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\UIAutomationTypes.resources.dll.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\UIAutomationClientSideProviders.resources.dll.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-time-l1-1-0.dll.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\PresentationUI.resources.dll.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.UnmanagedMemoryStream.dll.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\System.Xaml.resources.dll.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Microsoft Office\root\Integration\C2RManifest.osmuxmui.msi.16.en-us.xml.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Retail-pl.xrm-ms.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.nb-no.dll.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.dll.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Personal2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.scale-100.png.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\7-Zip\Lang\id.txt.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\charsets.jar.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Common Files\System\Ole DB\it-IT\oledb32r.dll.mui.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.Concurrent.dll.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Java\jre-1.8\bin\j2pkcs11.dll.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Microsoft Office\Office16\OSPP.HTM.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_OEM_Perp-ppd.xrm-ms.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-ul-oob.xrm-ms.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Common Files\microsoft shared\ink\en-US\tabskb.dll.mui.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Common Files\microsoft shared\ink\it-IT\mshwLatin.dll.mui.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationClientSideProviders.resources.dll.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTrial-ul-oob.xrm-ms.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.contrast-black_scale-140.png.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\Common Files\microsoft shared\ink\TabIpsps.dll.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Formats.Asn1.dll.tmp 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.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 8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe"C:\Users\Admin\AppData\Local\Temp\8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:5020
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-355097885-2402257403-2971294179-1000\desktop.ini.tmp
- Size 55KB
- SHA256 6ab57a5c2480c5c20e263dea3fac69c350ff7fc885a1923b6cd3b349d702fb7d
- MD5 807b88dd9861542b7363b98a22bf3516
- SHA1 3235f4f879975c021b27b93892bedc2d1eb699f8
- SHA512 6c2082d97454f71dc92723b736485f5cf242673226a213d60bfc7c9909ac4aaa2307a4c9e10a13f303c39dbf4c556d54c8429288a90fcb9d8c1c40ea2e5d3305
- SSDEEP 768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9ZJW5eiW5eiv:V7Zf/FAxTWoJJ7TzJWDWDv
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 154KB
- SHA256 8aeae55cc3d7b792e39cefdca174915cd9d59d0a8b2c356d082a7a8a215f3f4b
- MD5 f47f82141a81f69f90904ec11d4f2e5b
- SHA1 7d965536c1f7c13e777a23e1da2398eec7019c8f
- SHA512 d49cc9e624880ed399dd6fc5ed062fb6f35aae653d489006b51e820c34197215f6faa3d37a54b3cffc8eefffb18f670b7c2959ae95dbceb4deb58c0c23ee84c4
- SSDEEP 1536:V7Zf/FAxTWoJJ7TzJWDWDg4pWHlPEXZzjUq3th5f6utM5vLNinVmWvMu0b2UdpXs:fny11WHIjN3tj6qnv0b2UrXkbvLx
- MD5 SHA1 SHA512 SSDEEP