441c48505a51e6f182e43455488ab8f20ac7f5ea569e865e87dc3d3aa787ee0e

Analysis

max time kernel
120s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/08/2024, 01:05

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General

Target

3b78c8c5396cb6e70c9055462d0a0fb0N.exe
Size

54KB
MD5

3b78c8c5396cb6e70c9055462d0a0fb0
SHA1

05bab07791e411ac69eb549f9a2cf2c4a03e577d
SHA256

441c48505a51e6f182e43455488ab8f20ac7f5ea569e865e87dc3d3aa787ee0e
SHA512

0ea55ac9707fd9e4f3fc541f50b8762e57181c9bec293eb274084a0619556840ded4427d967414c89c0b014b9e23a345d14359e680a1a237d49d2c9753f4e2c4
SSDEEP

768:/7BlpQpARFbhq1KX101ja7c0QXzesa7c0QXze9:/7ZQpApq1U7XQ27XQa

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4645) 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.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Input.Manipulations.resources.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Trial2-pl.xrm-ms.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_MAK-pl.xrm-ms.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Interceptor.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.Concurrent.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.Linq.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-file-l1-2-0.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Retail-ul-phn.xrm-ms.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Trial-pl.xrm-ms.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-heap-l1-1-0.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_MAK-pl.xrm-ms.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.Watcher.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\WindowsFormsIntegration.resources.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jps.exe.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\dcpr.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jaas_nt.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOADFPS.DLL.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\insert.xml.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Extensions.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Forms.Design.resources.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Windows.Input.Manipulations.resources.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.ReportingServices.ReportDesign.Forms.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_KMS_Client_AE-ul.xrm-ms.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymsb.ttf.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.Edm.NetFX35.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msaddsr.dll.mui.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.CSharp.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Extensions.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\pkcs11wrapper.md.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial5-pl.xrm-ms.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Excel.Common.FrontEnd.XmlSerializers.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\WindowsBase.resources.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\cmm\CIEXYZ.pf.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_OEM_Perp-ul-oob.xrm-ms.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_MAK_AE-ul-oob.xrm-ms.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Retail-ppd.xrm-ms.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\Microsoft.VisualBasic.Forms.resources.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\UIAutomationClientSideProviders.resources.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProDemoR_BypassTrial180-ul-oob.xrm-ms.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\sr-Latn-RS\msipc.dll.mui.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_MAKC2R-ul-oob.xrm-ms.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\TabIpsps.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\vstoee100.tlb.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Http.Json.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\ct.sym.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription3-ul-oob.xrm-ms.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_OEM_Perp-pl.xrm-ms.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail-pl.xrm-ms.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\msvcr120.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.Brotli.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Emit.Lightweight.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.XDocument.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Java\jdk-1.8\include\jni.h.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Data.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-conio-l1-1-0.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\basicelegant.dotx.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TipTsf.dll.mui.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.EventBasedAsync.dll.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail2-ul-phn.xrm-ms.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTest-pl.xrm-ms.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-black_scale-140.png.tmp	3b78c8c5396cb6e70c9055462d0a0fb0N.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	3b78c8c5396cb6e70c9055462d0a0fb0N.exe

C:\Users\Admin\AppData\Local\Temp\3b78c8c5396cb6e70c9055462d0a0fb0N.exe
"C:\Users\Admin\AppData\Local\Temp\3b78c8c5396cb6e70c9055462d0a0fb0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:640

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-1-5-21-2412658365-3084825385-3340777666-1000\desktop.ini.tmp

Filesize
54KB

MD5
f8e48c21bfa9af861872224ccb8df76a

SHA1
6a257e3eb5cb16f7f29766dbf4f42a8373b60766

SHA256
607107007bacab4feef4eafb19ef6277a68712bbc93d1b1ef8b8b20454a8aa33

SHA512
ffd0cba9a0e9b450032adaafeb85522bd42ee0e1df6009a04f7421eece06d6a10ef343930d83d9856b4177f1e3c99b1e007b49acfa7fa03a381fbbab7c8ae977

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

Filesize
153KB

MD5
a159ec3e0e9fa3f7020482f2c0236a34

SHA1
e7974a5274056206d5810c8e4a5c1911014fd7bf

SHA256
87e52b5ccb034c346cba1591cb768009d23225b10437183a2e8a260b2a20ea4e

SHA512
9405b74290d63eb0851f9cb7899037ed650d16acb29bb7b9e0e9ee6620fc008e7ff5c423940a1dcdbd8fcaa6fcf4bc43e7cae1d1dc7e351ed77bb1c7c705ea90

Download Submit
memory/640-0-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/640-1958-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download