Analysis
- max time kernel
150s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
25/08/2024, 07:35
Behavioral task
behavioral1
Sample
fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe
Resource
win7-20240705-en
windows7-x64
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
4 signatures
150 seconds
General
- Target fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe
- Size 63KB
- Sample240825-jerjssvanq
- SHA256 fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d
- MD5 1f162c758beec2a73c521bab7c04d57f
- SHA1 5e9ff15ce63f44c87ae8feb71781171c860599c9
- SHA512 f5a112e6fa504b3672d5b9d0e42766fd57ad98c5bd4ded8b3099c1751a309931051c07d82c76ea0e883540c52ed9cace43c9e39d297c55d2a73981e2a11ed839
- SSDEEP 768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcwBcCBcw/tio/tirZcZN:V7Zf/FAxTWoJJ7TTQoQrZcZN
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Renames multiple (5162) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
resource yara_rule behavioral2/memory/4288-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x0009000000023483-2.dat upx behavioral2/files/0x0014000000022936-6.dat upx behavioral2/memory/4288-858-0x0000000000400000-0x000000000040B000-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.Windows.Controls.Ribbon.dll.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Retail-ul-oob.xrm-ms.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_MAK_AE-ul-phn.xrm-ms.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\msjet.xsl.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Office16\NL7MODELS0009.dll.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Templates\1033\AdjacencyReport.dotx.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\ReachFramework.resources.dll.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\deploy\splash_11-lic.gif.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_Subscription-ul-oob.xrm-ms.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTrial-ppd.xrm-ms.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\LyncVDI_Eula.txt.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected] fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.scale-180.png.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Common Files\System\msadc\fr-FR\msdaprsr.dll.mui.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Client\C2R64.dll.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Grace-ppd.xrm-ms.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp4-pl.xrm-ms.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_Subscription-ul-oob.xrm-ms.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.AccessControl.dll.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Forms.resources.dll.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Web.dll.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\invalid32x32.gif.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremDemoR_BypassTrial365-ul-oob.xrm-ms.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC_COL.HXC.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.AeroLite.dll.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_MoveDrop32x32.gif.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE.HXS.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_logo.png.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Java\jre-1.8\lib\security\policy\limited\local_policy.jar.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\fr\msipc.dll.mui.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\7-Zip\Lang\pt.txt.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Data.DataSetExtensions.dll.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_MAK-ppd.xrm-ms.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_KMS_Client-ul-oob.xrm-ms.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\ja-jp-sym.xml.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.StackTrace.dll.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\relaxngcc.md.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-black_scale-80.png.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Linq.Expressions.dll.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationProvider.resources.dll.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Office16\FPA_FA000000009\FA000000009.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipschs.xml.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Common Files\System\msadc\de-DE\msaddsr.dll.mui.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\d3dcompiler_47.dll.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Franklin Gothic.xml.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_OEM_Perp-ul-phn.xrm-ms.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ur.pak.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Office16\NAME.DLL.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL027.XML.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_ghost_school.png.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-timezone-l1-1-0.dll.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Resources.Reader.dll.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\PresentationFramework.resources.dll.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\PresentationCore.resources.dll.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\af.pak.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\asm.md.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProMSDNR_Retail-ul-oob.xrm-ms.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.scale-180.png.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN096.XML.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\manifest.xml.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected] fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Data.Common.dll.tmp fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.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 fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe"C:\Users\Admin\AppData\Local\Temp\fe3ec71a6e0b146386f4c34d293de572a45276b9c96fc699571349914207fb6d.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4288
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-4182098368-2521458979-3782681353-1000\desktop.ini.tmp
- Size 63KB
- SHA256 973e95a876ae96c9fcc47805f4332b48d946550c83edb74f4fcb5defd53d0547
- MD5 57a9c50a82f4055b4123116f9686ff94
- SHA1 0d44c6809f69dc3bc8f65cf396d3ce66d48502a1
- SHA512 655020681f2cb62564bc5013d535b02e898fb6cff9dd73d8c1e868ee8fb069e1eb1455ab6fc8a8db0e190f14f1a534c5b9f77c12734a93a9ee31effe00b08c1e
- SSDEEP 768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcwBcCBcw/tio/tirZcZW:V7Zf/FAxTWoJJ7TTQoQrZcZW
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 162KB
- SHA256 edadd9961a623fa2717ba7fcde37b40735ed52ef7cecc2e70ac157a8b091d361
- MD5 7193b5cfbb88ddf0b5a29d968b1c7b7c
- SHA1 391c987e71a60ceab4baab3b85cc75071b3fecc0
- SHA512 5f991f1b8762fa357d627d43e21632b4198a2201e863b3cf25b6dfb17ff69243facd71c2d4b16df00795e7800b9a8a8e22b123cc4debf07a68a629389496881a
- SSDEEP 3072:fny1oRrZcZiWHIjN3tj6qnv0b2UrXkbvLB:KWRrCvIjNDv0bNXkbvLB
- MD5 SHA1 SHA512 SSDEEP