bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63ba

Analysis

max time kernel
119s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-09-2024 17:17

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General

Target

bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
Size

37KB
MD5

79f24fe05dd4b52094c54da85e391cd0
SHA1

395204551ff8a16b2235b7c5128436b0e9feaeff
SHA256

bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63ba
SHA512

3c1d7e6f6337f1bf216364a4b037f123939157f0826592d3edd0205a1415170209a05b2b1bb56ebfd12e53ffcc6c90b1e8d8f109bf1265a1918c0bfba4a6c7c0
SSDEEP

768:W7BlphA7pARFbhM0Kkq81LOyq81LOl6Sl5lty:W7ZhA7pApM21LOA1LOl6Ay

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4670) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

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.Linq.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\ReachFramework.resources.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.hu-hu.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_jpn.xml.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Windows.Controls.Ribbon.resources.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\fontmanager.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-profile-l1-1-0.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-stdio-l1-1-0.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription2-pl.xrm-ms.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_OEM_Perp-pl.xrm-ms.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Retail-ul-oob.xrm-ms.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\da-DK\tipresx.dll.mui.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\sk-SK\tipresx.dll.mui.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Process.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Windows.Input.Manipulations.resources.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PREVIEWTEMPLATE.POTX.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.Reporting.AdHoc.Shell.Bootstrapper.xap.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\InputPersonalization.exe.mui.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Csp.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\PresentationCore.resources.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-interlocked-l1-1-0.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Trial-ppd.xrm-ms.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-pl.xrm-ms.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Retail-ul-phn.xrm-ms.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Java\jre-1.8\bin\net.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Windows.Forms.Primitives.resources.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\mojo_core.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\attach.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Trial-ul-oob.xrm-ms.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.XmlSerializer.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.VisualBasic.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\mscordaccore_amd64_amd64_8.0.224.6711.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\bg.pak.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-locale-l1-1-0.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaTypewriterBold.ttf.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_Subscription-ppd.xrm-ms.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVScripting.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription5-ul-oob.xrm-ms.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial5-ul-oob.xrm-ms.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE_K_COL.HXK.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\7-Zip\Lang\ps.txt.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\insert\insertbase.xml.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\PresentationUI.resources.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_it.properties.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-ul-phn.xrm-ms.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Grace-ppd.xrm-ms.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Xaml.resources.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Century Schoolbook.xml.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Retail-ul-oob.xrm-ms.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-ul-oob.xrm-ms.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.AccessControl.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.VisualBasic.Forms.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PenImc_cor3.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\relaxngdatatype.md.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\xalan.md.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\ko-kr.xml.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.TypeExtensions.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Diagnostics.EventLog.Messages.dll.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Trial-ppd.xrm-ms.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_KMS_Client-ppd.xrm-ms.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp3-pl.xrm-ms.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\ZeroByteFile.tmp	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe

C:\Users\Admin\AppData\Local\Temp\bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe
"C:\Users\Admin\AppData\Local\Temp\bf57b85ab19d5c2b97d9b30a16945890eb10a8a9385ed55df9bca4229eab63baN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-2718105630-359604950-2820636825-1000\desktop.ini.tmp

Filesize
37KB

MD5
74a1fca435ab17141e1d083fe7ae2373

SHA1
db5b36335adba55c3a2571b574420936659e44ed

SHA256
c4ba7ba680520194216cd93f4dec7a8464a63d85186d16da1021c9146c6b0c9e

SHA512
f4538bc8a8a60421c864ec854d477d918ec4480db48028aab4f338ab326ec79e83d46028a8f5f25ba4891b5f903b957853705ef4145a45d80aeb2d27a7f16f13

Download Submit
C:\Program Files\7-Zip\7-zip.dll.tmp

Filesize
136KB

MD5
a2d1ce9d60ea93fe5495754d3d3a7aab

SHA1
109146f42540e3bc2ddfa859974add5586fd96cb

SHA256
49c56b887d0a4b3a340c573de69962ececbaa70172c7976af502282f62520dc3

SHA512
2eff771c162b91514a5ee02fd0872bcc42a54378e36c76881f609edd8f4fe79d06381b619f015450c52cab41f22060fdddbaf1651564598e932bc1c1aa656e3a

Download Submit