277dbd928dac7f085e2d9edd8de1ac164f0576159733b922e28f73cd385234f1

Analysis

max time kernel
120s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
12/09/2024, 02:20

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General

Target

4c427756c773cccf28639dcd14bc66e0N.exe
Size

65KB
MD5

4c427756c773cccf28639dcd14bc66e0
SHA1

587cf9ed08ca2c0cb7b5eea7db073dfce028f970
SHA256

277dbd928dac7f085e2d9edd8de1ac164f0576159733b922e28f73cd385234f1
SHA512

19b42b3504874761caaf0e9db9d02573119e5d8a448766ac8138786f3e473545b61482da2a37147a2d2946d94cfce575fb387d112e242aa3685326b765b4a6c0
SSDEEP

768:W7BlpppARFbhjbhg42LcfpR42LcfpVF/MF/3Nw/Nwk0cEMdV8IEMdV85/8O0O3:W7ZppApBULcfpHLcfpX2/Nw/Nwmxo

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4547) 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\jre\lib\deploy\messages_ja.properties.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.onenotemui.msi.16.en-us.xml.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp3-ul-phn.xrm-ms.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-pl.xrm-ms.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\ReportingServicesNativeClient.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-white_scale-80.png.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\UIAutomationProvider.resources.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\PresentationUI.resources.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\msjet.xsl.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-multibyte-l1-1-0.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Loader.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\rmid.exe.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\7-Zip\Lang\sq.txt.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-stdio-l1-1-0.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\jfr\profile.jfc.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Console.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\tzmappings.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.Office.Tools.Common.v4.0.Utilities.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.OData.NetFX35.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.FileVersionInfo.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Forms.Primitives.resources.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\PresentationUI.resources.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Internet Explorer\hmmapi.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Retail-pl.xrm-ms.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019MSDNR_Retail-ul-oob.xrm-ms.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp6-pl.xrm-ms.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.IsolatedStorage.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\ReachFramework.resources.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\wsdetect.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-ul-phn.xrm-ms.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.ReportingServices.Authorization.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-black_scale-100.png.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Common Files\System\ado\msado27.tlb.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\UIAutomationClientSideProviders.resources.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework-SystemCore.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\klist.exe.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Grace-ppd.xrm-ms.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessEntry2019R_PrepidBypass-ul-oob.xrm-ms.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\7-Zip\Lang\nn.txt.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Algorithms.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Forms.resources.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\UIAutomationProvider.resources.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\dotnet\swidtag\Microsoft Windows Desktop Runtime - 6.0.27 (x64).swidtag.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\zlib.md.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\tzdb.dat.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_OEM_Perp-ppd.xrm-ms.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-conio-l1-1-0.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.OpenSsl.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\System.Windows.Forms.Primitives.resources.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\cs.pak.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\tools.jar.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest2-ppd.xrm-ms.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial3-ul-oob.xrm-ms.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\VGX\VGX.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.ZipFile.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.WindowsDesktop.App.deps.json.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_OEM_Perp-pl.xrm-ms.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Claims.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Numerics.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Input.Manipulations.resources.dll.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-ul-oob.xrm-ms.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Grace-ppd.xrm-ms.tmp	4c427756c773cccf28639dcd14bc66e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp6-ppd.xrm-ms.tmp	4c427756c773cccf28639dcd14bc66e0N.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	4c427756c773cccf28639dcd14bc66e0N.exe

C:\Users\Admin\AppData\Local\Temp\4c427756c773cccf28639dcd14bc66e0N.exe
"C:\Users\Admin\AppData\Local\Temp\4c427756c773cccf28639dcd14bc66e0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4016

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-1-5-21-2629364133-3182087385-364449604-1000\desktop.ini.tmp

Filesize
66KB

MD5
5b2ccc12b3fbf3534655d25cc6df87a1

SHA1
2f4445ca470713cc3ca87e962b24774d34eb8e33

SHA256
47df55035510dcd1f8b1c95799a8d204e08899cff07c0da018c50ecd58631f56

SHA512
d1607fedfb2f22edd6727ff091eca0395d36e24a71fee2a8b4f7bd7d69f5f12a5825a09567044ddfb38bb0ced667339b3b42b726ba14336c38337f5d12dc0ed2

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

Filesize
164KB

MD5
e1dea1a93a744e799a4fdaa955c81af4

SHA1
0106b129028286115d71286a340b70eea1726e9b

SHA256
1c760ca68630551510438f900824e06d63602cadee7f8290fc7cbda62d85c2b6

SHA512
bb5991bac3eeae30d3a992bddd9ee1360bf208b6857b4a9ada4b9e2c752bb0b22f348452d40ecc5174b2d83a547bfb025d7ab7280402fedf3bee77da1f6cc96d

Download Submit