ca0e3aa6ef84b5fd5aa03d066b8a74727a2e304df26db3a8d783668e7ce1eda2

Analysis

max time kernel
120s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15/09/2024, 02:23

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General

Target

acc9e144e81314d70f5f1c6adccbce10N.exe
Size

45KB
MD5

acc9e144e81314d70f5f1c6adccbce10
SHA1

a1754eb84c1c0854daf8a7828f9ff3cf7bae56e6
SHA256

ca0e3aa6ef84b5fd5aa03d066b8a74727a2e304df26db3a8d783668e7ce1eda2
SHA512

220cd44a453edeedc2ee02c6411be299282ee9350d2a388dbcc4103cc320456380914750afd3ec808253ed947fa9ddb3e295a21d635f3707f87724123388ae35
SSDEEP

768:W7BlphA7pARFbhM0Kkq81LOyq81LORWAnWAkpUE5c5n4fZ9Z34fZ9ZE/:W7ZhA7pApM21LOA1LOrtkpt6k

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4641) 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\Common Files\System\Ole DB\ja-JP\oledb32r.dll.mui.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.UnmanagedMemoryStream.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\decora_sse.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\jaccess.jar.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\DATATRANSFORMERWRAPPER.DLL.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Forms.Primitives.resources.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Security.Cryptography.ProtectedData.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\Microsoft.VisualBasic.Forms.resources.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription3-ppd.xrm-ms.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_MAK-pl.xrm-ms.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription1-pl.xrm-ms.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Common.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Common Files\System\msadc\msadcer.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Tasks.Parallel.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgePackages.h.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Java\jre-1.8\release.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\lcms.md.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\gstreamer.md.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-xstate-l2-1-0.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-white_scale-80.png.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationProvider.resources.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_MAK_AE-ul-phn.xrm-ms.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.HostIntegration.Connectors.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ExcelCtxUICellLayoutModel.bin.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-environment-l1-1-0.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Forms.Design.Editors.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationTypes.resources.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Xaml.resources.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-profile-l1-1-0.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\msvcp140.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msix.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Common Files\System\msadc\ja-JP\msdaremr.dll.mui.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Common Files\System\Ole DB\fr-FR\sqlxmlx.rll.mui.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationClientSideProviders.resources.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\Microsoft.VisualBasic.Forms.resources.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_PrepidBypass-ul-oob.xrm-ms.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Packaging.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTrial-ppd.xrm-ms.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ExcelCtxUIFormulaBarModel.bin.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.scale-100.png.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Data.Common.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\cryptix.md.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Grace-ppd.xrm-ms.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Grace-ppd.xrm-ms.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msadcor.dll.mui.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientLangPack2019_eula.txt.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSQRY32.CHM.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\Microsoft.VisualBasic.Forms.resources.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\dotnet\swidtag\Microsoft Windows Desktop Runtime - 7.0.16 (x64).swidtag.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Internet Explorer\en-US\iexplore.exe.mui.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-debug-l1-1-0.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Java\jre-1.8\lib\resources.jar.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ThirdPartyNotices.txt.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Requests.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Windows.Forms.Primitives.resources.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.office32mui.msi.16.en-us.xml.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Grace-ppd.xrm-ms.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Grace-ul-oob.xrm-ms.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.bg-bg.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.CoreLib.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\Microsoft Office\root\Client\AppvIsvSubsystems32.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.ThreadPool.dll.tmp	acc9e144e81314d70f5f1c6adccbce10N.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	acc9e144e81314d70f5f1c6adccbce10N.exe

C:\Users\Admin\AppData\Local\Temp\acc9e144e81314d70f5f1c6adccbce10N.exe
"C:\Users\Admin\AppData\Local\Temp\acc9e144e81314d70f5f1c6adccbce10N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1208

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
45KB

MD5
150b34ca974c99d3ca6e90914e830d0d

SHA1
76f907e6b9589957db9e7e868fbd02cd49f7ae26

SHA256
6eee143e64a3ce05eb1208861c7418ae75e66ccb7680bf0beb995e338512bd90

SHA512
0d2e6ddeebd7fbee7a148c40a95c96ab3c960de133205af7aa42a47d2e099ca171e12047ecaa4d512f6c9b838ceb004a89c9d6ccf08ce9ee1d7713d33b2c08b7

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

Filesize
144KB

MD5
a5aaed5b29606fbdf722ccc1a314a8e1

SHA1
18eab0807550adb15e17326c3a91074926987257

SHA256
be9daa3a4cc10fa856b8e74d061df84e5ebc1ebeab2324cbbf2b3bae43b54db4

SHA512
b4c6c02580555135eaf96c9c33552fd40e06c1e7cb4274baffc1933ab19cbb2660b5276afb6cad2220a3fc43c17dcf75aaec9abc37126cd3c733c795449553f6

Download Submit