69092c0466ed40f8ccff9ae94b0a0c39b63e09c449d201cccb0fa291705d57e1

Analysis

max time kernel
120s
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
06-09-2024 12:15

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General

Target

efeaea6771f90d6ec8094f41ca9f1890N.exe
Size

253KB
MD5

efeaea6771f90d6ec8094f41ca9f1890
SHA1

42e67413e08ad2cbd5e17b49bc43afc59e256ed1
SHA256

69092c0466ed40f8ccff9ae94b0a0c39b63e09c449d201cccb0fa291705d57e1
SHA512

badf967a069735c99f2d51d0e5e0fb370477914e1fd7513370a1539b34dc3322c69433ebf929ea3bfd8d30ab9e09d1bb43c7a0d40139d552b26ec53693b7108a
SSDEEP

1536:W7ZhA7pApDOsZKZZSjw4Vc0Vcyu4PN54PNz3NIw3NI5:6e7WpDkDSzTzFWS

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (3736) 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\Java\jdk-1.8\bin\api-ms-win-core-datetime-l1-1-0.dll.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\dtplugin\npdeployJava1.dll.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_MAK_AE-ppd.xrm-ms.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Retail-ul-oob.xrm-ms.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\sk-SK\tipresx.dll.mui.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Common Files\System\msadc\ja-JP\msdaremr.dll.mui.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Debug.dll.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-timezone-l1-1-0.dll.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_OEM_Perp-pl.xrm-ms.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-pl.xrm-ms.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Common Files\System\msadc\ja-JP\msadcer.dll.mui.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\7-Zip\Lang\kab.txt.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Windows.Forms.resources.dll.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\ReachFramework.resources.dll.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgeCalls.h.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipschs.xml.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.WindowsDesktop.App.deps.json.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\packager.jar.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_OEM_Perp-ul-oob.xrm-ms.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\jce.jar.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-profile-l1-1-0.dll.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_zh_CN.properties.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_MAK-ul-oob.xrm-ms.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_MAK-ppd.xrm-ms.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tipresx.dll.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.dll.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\management\management.properties.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\tools.jar.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\sunjce_provider.jar.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_CopyNoDrop32x32.gif.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\7-Zip\Lang\uz.txt.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Common Files\microsoft shared\VC\msdia90.dll.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Configuration.dll.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\System.Xaml.resources.dll.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-file-l1-1-0.dll.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\relaxngom.md.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\System.Windows.Input.Manipulations.resources.dll.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\cacerts.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Red Orange.xml.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Century Schoolbook.xml.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_KMS_Client-ppd.xrm-ms.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-ul-phn.xrm-ms.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Web.HttpUtility.dll.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Numerics.dll.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Java\jre-1.8\bin\eula.dll.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Riblet.eftx.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\public_suffix_list.dat.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Forms.resources.dll.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Java\jre-1.8\bin\ktab.exe.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\sunpkcs11.jar.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalDemoR_BypassTrial180-ul-oob.xrm-ms.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019MSDNR_Retail-ul-phn.xrm-ms.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscorrc.dll.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_MAK-ul-phn.xrm-ms.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Trial-ppd.xrm-ms.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Common Files\System\ado\msado21.tlb.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Quic.dll.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.InteropServices.dll.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\te.pak.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusDemoR_BypassTrial365-ppd.xrm-ms.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription2-pl.xrm-ms.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Retail-pl.xrm-ms.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.VisualBasic.Core.dll.tmp	efeaea6771f90d6ec8094f41ca9f1890N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Windows.Input.Manipulations.resources.dll.tmp	efeaea6771f90d6ec8094f41ca9f1890N.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	efeaea6771f90d6ec8094f41ca9f1890N.exe

C:\Users\Admin\AppData\Local\Temp\efeaea6771f90d6ec8094f41ca9f1890N.exe
"C:\Users\Admin\AppData\Local\Temp\efeaea6771f90d6ec8094f41ca9f1890N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4612

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-1-5-21-786284298-625481688-3210388970-1000\desktop.ini.tmp

Filesize
254KB

MD5
8da2836548f0a4c329a7830426a25e48

SHA1
6981a30db6dc1b2b36421fb140fb3f37c132a900

SHA256
be0a76e0cb6dbb01886702c534d99bd69656e7548b5d8e36a546365857547e15

SHA512
ff476151630e1e314edaf01c13de297a2eb8c2589968207324f567f6a5ad45e381ddf661d8506932ff2f56575e3a9f02697360eb07baaa35ff6afe95b1619858

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

Filesize
352KB

MD5
83bf499d76bd089dd1dee83c2f9a66e4

SHA1
a1bc567190cbcbdfe3675f5fa067d4833d7ab667

SHA256
dc7d5d72b7a94e1f9ba82a131537f694a7b10329b686e7178012b0e4bdd34476

SHA512
49d3238ff1e630f962fde4d114c64c5c73770cc1bef3c5d187126a86522aec7e8fca7356cc4c6dded6e83736d4ee54b210dba7de2663d637db7012ecff6cf388

Download Submit