af4caf19b1ef6287ce8e8267f8d3d4555df180614a81676fbfccfbcb0285b6cc

Analysis

max time kernel
120s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 09:33

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General

Target

347fc2b38b471d8cdfd51cb8ad294440N.exe
Size

50KB
MD5

347fc2b38b471d8cdfd51cb8ad294440
SHA1

13a04ca11620766f34caa9d55cb2bb9b61d9240b
SHA256

af4caf19b1ef6287ce8e8267f8d3d4555df180614a81676fbfccfbcb0285b6cc
SHA512

f06b75d5671815476d5253f594507c4ed320e1759cfc40a8ef02b1a15e8c5dcff8671593c86a4f0e2f60b1f6ed1b12beb58a6eb5a4e527c711ae9b15a5f8a6bf
SSDEEP

768:W7BlphA7pARFbhL801VvM801Vvv7+j9n3E:W7ZhA7pApw03vR03vwnU

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4675) 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\Microsoft Office\root\Client\api-ms-win-crt-conio-l1-1-0.dll.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Grace-ul-oob.xrm-ms.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_MAK-ul-phn.xrm-ms.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\WindowsFormsIntegration.resources.dll.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Controls.Ribbon.resources.dll.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\WindowsFormsIntegration.resources.dll.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp6-pl.xrm-ms.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Tw Cen MT.xml.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial1-ppd.xrm-ms.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription3-pl.xrm-ms.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_logo_small.png.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\7-Zip\Lang\ext.txt.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.AccessControl.dll.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Timer.dll.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\D3DCompiler_47_cor3.dll.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Smokey Glass.eftx.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp5-pl.xrm-ms.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-ppd.xrm-ms.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Retail-ul-phn.xrm-ms.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\APPLAUSE.WAV.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\LibCurl64.DllA\OpenSSL64.DllA\openssl64.dlla.manifest.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jp2iexp.dll.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial2-ul-oob.xrm-ms.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\7-Zip\Lang\io.txt.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.th-th.dll.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.CSharp.dll.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.CompilerServices.VisualC.dll.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\UIAutomationClient.resources.dll.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\System.Xaml.resources.dll.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javaw.exe.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\calendars.properties.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Retail-ppd.xrm-ms.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp3-ul-phn.xrm-ms.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\IVY.DLL.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Common Files\System\ado\msado15.dll.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Forms.Design.Editors.dll.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\glib.md.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Grace-ul-oob.xrm-ms.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_OEM_Perp-ppd.xrm-ms.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PREVIEWTEMPLATE.POTX.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Sort\AUTHOR.XSL.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.VisualBasic.dll.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Controls.Ribbon.resources.dll.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_Subscription-pl.xrm-ms.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp3-pl.xrm-ms.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Author2XML.XSL.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Linq.dll.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\WindowsBase.resources.dll.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_OEM_Perp-ul-phn.xrm-ms.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msproof7.dll.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Formats.Asn1.dll.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription5-pl.xrm-ms.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems32.dll.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Presentation.dll.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\nb.pak.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-filesystem-l1-1-0.dll.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Retail-pl.xrm-ms.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ko-kr.dll.tmp	347fc2b38b471d8cdfd51cb8ad294440N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\TipTsf.dll.mui.tmp	347fc2b38b471d8cdfd51cb8ad294440N.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	347fc2b38b471d8cdfd51cb8ad294440N.exe

C:\Users\Admin\AppData\Local\Temp\347fc2b38b471d8cdfd51cb8ad294440N.exe
"C:\Users\Admin\AppData\Local\Temp\347fc2b38b471d8cdfd51cb8ad294440N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4392

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-1-5-21-945322488-2060912225-3527527000-1000\desktop.ini.tmp

Filesize
50KB

MD5
33cab4e9efbe16418f0261a072b8d7a6

SHA1
9b30c40223bccb19d973fd559618a19ee46c6780

SHA256
6cd4be0441da2809196df0e21ffb39ecd22533ef9de7e034c161d4f651b96504

SHA512
0778fd0a2dff44b7bc07094b2659310d6c8f5f0877bd4ea3c231da08394c0de0662458dd2b846f805afe86d18e556172a44170a57aacf6473e4a1c1fc392bbe7

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

Filesize
149KB

MD5
f5a01189cd910586160bea5cf54faab1

SHA1
afa17452ac226122b49887e9338080aeeef4c415

SHA256
49054eb8d2542cb9be05fb50f0c3650cd12b4e1c503181cc1d66f3fa33b60425

SHA512
575332681f86323250caf9e901959ffe5984d7015e7a0a9305b32059dc51427a9186544354ffa09bd57ee9e8e48f5b135939f3ebbbfeeb990ace8983c2893dcb

Download Submit