Analysis
- max time kernel
120s - max time network
101s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
14/11/2024, 08:31
Behavioral task
behavioral1
Sample
84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe
Resource
win7-20241010-en
windows7-x64
4 signatures
120 seconds
Behavioral task
behavioral2
Sample
84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
4 signatures
120 seconds
General
- Target 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe
- Size 74KB
- Sample241114-ke5xvsvrbv
- SHA256 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0ef
- MD5 7fb901e1fe45dab155ae5d00bee16220
- SHA1 9934a85f7489772ad92cb3f3f972f60db6e2ca61
- SHA512 b1f7586066e3a744896bd255425b9a0cee875b6f4acebbb58955052ac87d802d2869a577830bfc8c3811b34fc1991564dfe9b50579799eebb719db074db1a6e9
- SSDEEP 768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9Hx3R9pi1xOR9pi1xbJBG:V7Zf/FAxTWoJJ7Th9ko9kvJB2JBH
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Renames multiple (4613) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
resource yara_rule behavioral2/memory/4880-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x000c000000023b0f-2.dat upx behavioral2/files/0x00140000000228fc-6.dat upx behavioral2/memory/4880-730-0x0000000000400000-0x000000000040B000-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.Xml.XmlDocument.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Linq.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ro.pak.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-multibyte-l1-1-0.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Microsoft Office\root\Office16\GKPowerPoint.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipscht.xml.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Common Files\System\Ole DB\es-ES\sqloledb.rll.mui.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Java\jdk-1.8\lib\javafx-mx.jar.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-time-l1-1-0.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail3-ppd.xrm-ms.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019VL_KMS_Client_AE-ppd.xrm-ms.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Microsoft Office\root\Office16\EntityPicker.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\7-Zip\Lang\nl.txt.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Common Files\microsoft shared\ink\Alphabet.xml.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\UIAutomationTypes.resources.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-localization-l1-2-0.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Trial-ul-oob.xrm-ms.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Common Files\microsoft shared\ink\fi-FI\tipresx.dll.mui.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationTypes.resources.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-file-l1-1-0.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription3-pl.xrm-ms.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Microsoft Office\root\Office16\AdeModule.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Loader.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Common Files\microsoft shared\ink\it-IT\TabTip.exe.mui.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationNative_cor3.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\PresentationUI.resources.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Microsoft Office\root\Integration\C2RManifest.DCF.DCF.x-none.msi.16.x-none.xml.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\AccessR_OEM_Perp-ul-oob.xrm-ms.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Grace-ul-oob.xrm-ms.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Controls.Ribbon.resources.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Input.Manipulations.resources.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-file-l1-2-0.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.Edm.NetFX35.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaSansRegular.ttf.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\cursors.properties.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00C1-0000-1000-0000000FF1CE.xml.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail2-ul-oob.xrm-ms.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.sk-sk.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_OEM_Perp-ul-phn.xrm-ms.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_OEM_Perp-ul-oob.xrm-ms.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Windows.Controls.Ribbon.resources.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Windows.Forms.resources.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Median.xml.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Riblet.eftx.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp2-ul-oob.xrm-ms.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Encoding.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\ext\sunpkcs11.jar.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Java\jre-1.8\bin\fontmanager.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Java\jre-1.8\lib\security\blacklisted.certs.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.Annotations.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Serialization.Formatters.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Java\jre-1.8\bin\jli.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipsnld.xml.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Memory.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Controls.Ribbon.resources.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-timezone-l1-1-0.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\ReachFramework.resources.dll.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Java\jre-1.8\lib\fonts\LucidaBrightDemiBold.ttf.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Java\jre-1.8\lib\management\jmxremote.access.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\ExitSend.xlsb.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\bcel.md.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTest-ppd.xrm-ms.tmp 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.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 84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe"C:\Users\Admin\AppData\Local\Temp\84a154013686686c49bc475cb57bb9e4f0fed574bae41f2af220c2889316b0efN.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4880
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 75KB
- SHA256 21a987a29662ef0f59401e18ab6aa67a935dc1d1eaab167a8e0e6dd75799d83d
- MD5 05163c9e49dab9027189c1aee13d9b02
- SHA1 f1b9f6b5b09db156520b16ca610e0efb538eeba0
- SHA512 89176bfeb2eb64dbbde99d03cca9c52898e91bcdec588b1c652d97f49b948434cef0a8c9f847f3c2c0687ce059bed5f747a161ac9f4918e8061091ae23cc8013
- SSDEEP 768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9Hx3R9pi1xOR9pi1xbJBw:V7Zf/FAxTWoJJ7Th9ko9kvJB2JBB
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 173KB
- SHA256 186ab587712346516cde40e2cc1e3e30395672b61ef09878ad027eac13f8dffb
- MD5 f0037ab9aded09c30d8d6109ef4e9c07
- SHA1 7c83b274476a7f15e1fe0f03beac5dcb2b63233c
- SHA512 e6d11826c690262b4daaf96ed90fac3445df6f1e6e93749f0ac4aadd38b3bba04489f8c09dd3166887bd95a0b545d29b5ba0b31a6c19585e1ffee2c5e94de634
- SSDEEP 3072:fny199ko9kkWHIjN3tj6qnv0b2UrXkbvLG:KiIjNDv0bNXkbvLG
- MD5 SHA1 SHA512 SSDEEP