dd5f2bd0447e3654e07e4fcb76299ca816f45706a0b07ad710fa6ea2a66f7ba3

Analysis

max time kernel
31s
max time network
40s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14-08-2024 11:21

Sharing

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Reason

Machine shutdown

Report Analysis Logs

General

Target

4a5f5ab3ae0ad896057392b0405316a0N.exe
Size

49KB
MD5

4a5f5ab3ae0ad896057392b0405316a0
SHA1

e1d032df9d48dc2788a68700c84ee2feeb30df47
SHA256

dd5f2bd0447e3654e07e4fcb76299ca816f45706a0b07ad710fa6ea2a66f7ba3
SHA512

0cc9e154b14a525c715973c96ac8e21b3bb86c75c7b493f1433fe1a79b1f60f2bb94e5c0e1e2425b62f0e54a593e1eeabeff6c19f73d0e1c63bddc159e19522b
SSDEEP

768:/7BlpQpARFbhn54fmiy+3BVr54fmiy+3BV6nB:/7ZQpApmi6nB

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (1044) 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\7-Zip\Lang\gu.txt.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav\osknavbase.xml.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.DiaSymReader.Native.amd64.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ObjectModel.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Web.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.FileSystem.Watcher.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\WindowsBase.resources.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\PresentationFramework.resources.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\PresentationUI.resources.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\i640.hash.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Extensions.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.InteropServices.RuntimeInformation.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.Watcher.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Emit.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\7-Zip\License.txt.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\fr-FR\msinfo32.exe.mui.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\Common Files\System\ado\msader15.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\en-US\oledb32r.dll.mui.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\it-IT\sqloledb.rll.mui.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-file-l1-1-0.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Resources.Reader.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Globalization.Calendars.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.TraceSource.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Tasks.Extensions.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\UIAutomationClient.resources.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.lt-lt.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipschs.xml.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\pt-BR\tipresx.dll.mui.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TipRes.dll.mui.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msdaprsr.dll.mui.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\clrgc.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\7-Zip\Lang\el.txt.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Forms.Design.resources.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\UIAutomationClient.resources.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Extensions.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Encoding.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\7-Zip\7z.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\7-Zip\Lang\be.txt.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.nb-no.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\SharedPerformance.man.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msdaprsr.dll.mui.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.NETCore.App.deps.json.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationClientSideProviders.resources.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Data.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.WindowsDesktop.App.deps.json.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\7-Zip\Lang\pt-br.txt.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\ShapeCollector.exe.mui.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\TipRes.dll.mui.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\rtscom.dll.mui.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\Common Files\System\msadc\msadce.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Principal.Windows.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\WindowsBase.resources.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\WindowsFormsIntegration.resources.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\i640.cab.cat.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\vccorlib140.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\Common Files\System\msadc\msdfmap.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Data.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.StackTrace.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.ServicePoint.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\mshwgst.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.dll.tmp	4a5f5ab3ae0ad896057392b0405316a0N.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msadcor.dll.mui.tmp	4a5f5ab3ae0ad896057392b0405316a0N.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	4a5f5ab3ae0ad896057392b0405316a0N.exe

C:\Users\Admin\AppData\Local\Temp\4a5f5ab3ae0ad896057392b0405316a0N.exe
"C:\Users\Admin\AppData\Local\Temp\4a5f5ab3ae0ad896057392b0405316a0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1480

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
49KB

MD5
96c63d647c77f897d36bf2384550fe3a

SHA1
598641e75e605b9fe3172742cce3bef4b38d8b73

SHA256
3f188a41d2af959be4f0d353f5aa83eb901672d6ed77fd52b525a4349435ec3e

SHA512
37e59be82a15fb211de565e37a3e0fe9c750157dbddbdfbfdf9aabd42931b69b46e858ab1e4af0fdaf181f673dfcd8b159fdef9a431f9cbefa1e8e18f494103f

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

Filesize
148KB

MD5
ab856e370f99c46faa4a704e0fb93a34

SHA1
6250d22893606d0351be81e051fbea3fb838b512

SHA256
a46b68bf031a8d4d3fc0eaa0c5584666e67683f8b4da62d850b4c20403ab7798

SHA512
9ae404b5b6b1abc30405c8f5bdf4563c2132f51abf6b7e124c0ed2c2ae7e3def007820763ad0526e4be87fa959b3319897a2d559d313fc0c778aa24d459bf51a

Download Submit
memory/1480-0-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1480-1952-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download