Analysis
- max time kernel
150s - max time network
151s - 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, 02:08
Behavioral task
behavioral1
Sample
a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe
Resource
win7-20240903-en
windows7-x64
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
4 signatures
150 seconds
General
- Target a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe
- Size 90KB
- Sample241023-cks69axgql
- SHA256 a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3
- MD5 2f17116df895037855452b7f325b160b
- SHA1 436433a9e89ee7a82e3a74db245d372709af7e6e
- SHA512 4c8bc65826c8069b9f56bac8b25f8d4de4baf1a721e264c4817eed0ba4e392e7b8ffae55a68cba151c0c3528d715914f55e85eb4cecc01a20de72db11ba94c3c
- SSDEEP 1536:a7ZyqaFAlsr1++PJHJXFAIuZAIuXsJtLJtY:enaym3AIuZAIuXD
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Renames multiple (4865) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
resource yara_rule behavioral2/memory/2248-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x000a000000023bb1-2.dat upx behavioral2/files/0x00140000000228fc-6.dat upx behavioral2/memory/2248-664-0x0000000000400000-0x000000000040B000-memory.dmp upx - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Java\jre-1.8\lib\javaws.jar.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\7-Zip\Lang\mk.txt.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Encodings.Web.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\ReachFramework.resources.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\fre\StartMenu_Win7_RTL.wmv.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_OEM_Perp-ul-phn.xrm-ms.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-black_scale-140.png.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\zh-changjei.xml.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Java\jdk-1.8\bin\rmid.exe.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Java\jre-1.8\lib\management\snmp.acl.template.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.PowerBI.AdomdDataExtension.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.contrast-black_scale-140.png.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Common Files\System\msadc\ja-JP\msadcer.dll.mui.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial4-ppd.xrm-ms.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp5-pl.xrm-ms.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Globalization.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Extensions.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-private-l1-1-0.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Common Files\microsoft shared\ink\da-DK\tipresx.dll.mui.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Common Files\microsoft shared\ink\mshwLatin.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019VL_MAK_AE-ppd.xrm-ms.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_MAK-ul-phn.xrm-ms.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Excel.Common.FrontEnd.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Java\jre-1.8\lib\cmm\GRAY.pf.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_OEM_Perp-ul-oob.xrm-ms.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\Office16\ONBttnIELinkedNotes.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RUI.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Forms.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL093.XML.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial-ppd.xrm-ms.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-black_scale-180.png.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\Office16\PowerPointCombinedFloatieModel.bin.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-util-l1-1-0.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\PresentationCore.resources.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\GrantLock.mpeg.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.ThreadPool.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\Client\concrt140.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\sqmapi_x64.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\Office16\FPA_FA000000008\FA000000008.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-locale-l1-1-0.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.sl-si.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\dbgshim.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Java\jdk-1.8\release.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial5-pl.xrm-ms.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\PREVIEWTEMPLATE.POTX.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\Office16\CSS7DATA000C.DLL.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.XDocument.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Windows.Input.Manipulations.resources.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-file-l2-1-0.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-black_scale-180.png.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_LinkNoDrop32x32.gif.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_MAKC2R-ppd.xrm-ms.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_MAK_AE-pl.xrm-ms.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\UIAutomationClient.resources.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Office Theme.thmx.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Excel.AnalysisServices.AdomdClientUI.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\i640.hash.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Common Files\System\Ole DB\sqloledb.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\ReachFramework.resources.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Forms.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\7-Zip\Lang\hi.txt.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-time-l1-1-0.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\System.Windows.Controls.Ribbon.resources.dll.tmp a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.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 a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe"C:\Users\Admin\AppData\Local\Temp\a1f874fdfc52bc3c380e2ed806b50aaec4b4f4374af121307bdc2b606e8932f3.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2248
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-2878641211-696417878-3864914810-1000\desktop.ini.tmp
- Size 90KB
- SHA256 832b23aa0a3bcd359e5575f7a727dd74152fb78721690a41e2c5438c6ed00eaa
- MD5 a33fa9c6a499d5b2ff339ff2d6794912
- SHA1 374d1f655796b01ab42efd91252faaa7bb38e485
- SHA512 627c04bceb5aa5a9972ea15fd523d4bbaf34390d5b4be8e53bd641e026a52234d9054a46341821d2841c3d1dc183a4eb25ef41ffc244d6458f439647d92e3ed7
- SSDEEP 1536:a7ZyqaFAlsr1++PJHJXFAIuZAIuXsJtLJtH:enaym3AIuZAIuXs
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 189KB
- SHA256 e045e216d956f07739c3db8e59741b1943e2a7e3a203a96ed96324ab1dc0e118
- MD5 0107d867875962c27524f4b1b14896b7
- SHA1 ecd26b86fef72737d56d5aa5f544f7a033516b5d
- SHA512 54c0b562845c4982408a1523715d8ec10209bce3133d53949bb4d875d59fc8ecade19499237136fc9fb2e448a412734f85e7f87e6ca3500af1ad8c3d387bc173
- SSDEEP 3072:enaym3AIuZAIuXgWHIjN3tj6qnv0b2UrXkbvLm:wHm3AIuZAIuXrIjNDv0bNXkbvLm
- MD5 SHA1 SHA512 SSDEEP