Analysis
- max time kernel
150s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
23/10/2024, 14:28
Behavioral task
behavioral1
Sample
fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe
Resource
win7-20240708-en
windows7-x64
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
4 signatures
150 seconds
General
- Target fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe
- Size 94KB
- Sample241023-rtcm7avcqe
- SHA256 fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906a
- MD5 f34f3a419c4fcda97466c12adec24c20
- SHA1 96192c4b4dbd70fc238a3c607c63aefb3ad90058
- SHA512 c9373711a8c3179681a72b68239ed7be61ce1782beb09d30f7a494243664f442de14b31bd25e96d2c7b3648d5ff8e844b0ecba2e661da9f963e62d7daf2991c1
- SSDEEP 1536:a7ZyqaFAlsr1++PJHJXFAIuZAIuXsJtLJtQh2hJ:enaym3AIuZAIuXA
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Renames multiple (4842) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
resource yara_rule behavioral2/memory/2260-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x0018000000023c3b-2.dat upx behavioral2/files/0x0004000000022902-6.dat upx behavioral2/memory/2260-658-0x0000000000400000-0x000000000040B000-memory.dmp upx - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Drawing.dll.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\ucrtbase.dll.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Microsoft Office\root\Office16\OneNote\SendToOneNote-manifest.ini.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\zh-dayi.xml.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Common Files\microsoft shared\ink\tipresx.dll.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Trial-ppd.xrm-ms.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-locale-l1-1-0.dll.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Java\jre-1.8\Welcome.html.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_OEM_Perp-pl.xrm-ms.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\dotnet\ThirdPartyNotices.txt.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Primitives.dll.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Forms.Design.Editors.dll.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Windows.Forms.Design.resources.dll.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\gstreamer-lite.dll.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\security\trusted.libraries.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Java\jre-1.8\bin\prism_sw.dll.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Common Files\microsoft shared\ink\it-IT\TipRes.dll.mui.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\WindowsFormsIntegration.resources.dll.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\WindowsBase.resources.dll.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019DemoR_BypassTrial180-ppd.xrm-ms.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Microsoft Office\root\Office16\IVY.DLL.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Claims.dll.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Java\jre-1.8\bin\java.exe.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Retail-ppd.xrm-ms.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\PPINTL.DLL.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Microsoft Office\root\Office16\Bibliography\Sort\TAG.XSL.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Java\jdk-1.8\lib\jawt.lib.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Private.CoreLib.dll.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Java\jdk-1.8\bin\javap.exe.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE_COL.HXT.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Common Files\System\Ole DB\es-ES\msdasqlr.dll.mui.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.VisualBasic.dll.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_COL.HXC.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.PPT.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Microsoft Office\root\Office16\FPA_FA000000050\FA000000050.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\7-Zip\Lang\es.txt.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-string-l1-1-0.dll.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Debug.dll.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ObjectModel.dll.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ru.pak.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-utility-l1-1-0.dll.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\WordVL_MAK-ul-phn.xrm-ms.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Common Files\System\ado\msado26.tlb.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-black_scale-140.png.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.Reporting.AdHoc.Shell.Bootstrapper.xap.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\sw.pak.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_MAK_AE-ul-phn.xrm-ms.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp2-pl.xrm-ms.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Microsoft Office\root\Office16\MSBARCODE.DLL.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Json.dll.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Forms.resources.dll.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_Grace-ul-oob.xrm-ms.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav.xml.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Trial-ul-oob.xrm-ms.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_KMS_Client-ppd.xrm-ms.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTrial-ppd.xrm-ms.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Tasks.Dataflow.dll.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.IO.Packaging.dll.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\UIAutomationClientSideProviders.dll.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\UIAutomationProvider.resources.dll.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe File created C:\Program Files\Java\jre-1.8\lib\management\jmxremote.password.template.tmp fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.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 fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe"C:\Users\Admin\AppData\Local\Temp\fb471da5e39d6fd098c52d2d15d86cadc7f777d172ab2e871929be1c6140906aN.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2260
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-493223053-2004649691-1575712786-1000\desktop.ini.tmp
- Size 95KB
- SHA256 3a1a089cdb0f3aa4c2de90bef789d3dec424cad8206ae67eefc59ee40cdcef63
- MD5 aae1f77c43f17ef0baf588c9ca48422d
- SHA1 9fc4156194b621ed446a0d9a063d3f50ee76e9c3
- SHA512 347be41439869a6d999685c31a73be6453d4ac3ac71fd0b4fa91415982984140c43d8a0e2b430a5200d038697444fcf2794d799bdc9edcc68d0b1b561587e190
- SSDEEP 1536:a7ZyqaFAlsr1++PJHJXFAIuZAIuXsJtLJtQh2hJ:enaym3AIuZAIuXs
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 193KB
- SHA256 4afb221781e50ca57cafd533d50e6a75fc80113aaa0b0bb7aa52432c9feba14f
- MD5 1d9251705b7f652169ee94c493e80637
- SHA1 3c9ecdde0d9923887473ccd0fbfdce500ccc2344
- SHA512 530c6c7fb3c0e1b8bce7879a6d18af8e898f0e2d13f69f7e28833ade9e41d5f5af7156fcbf9885614f160803ce0c54c555042f6aca99bcc5b8a6679ca877a8ce
- SSDEEP 3072:enaym3AIuZAIuXYWHIjN3tj6qnv0b2UrXkbvLU:wHm3AIuZAIuXDIjNDv0bNXkbvLU
- MD5 SHA1 SHA512 SSDEEP