3e7d74230afb014c17ab0b30688aceeac17c71318437f9673ea2ead4cf6e53ef

Analysis

max time kernel
120s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 17:12

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General

Target

37508364fe3686d0f27f727b58d09c50N.exe
Size

194KB
MD5

37508364fe3686d0f27f727b58d09c50
SHA1

426d999ff2e27dd1f3c3ecaaa36faf82a8ac67b1
SHA256

3e7d74230afb014c17ab0b30688aceeac17c71318437f9673ea2ead4cf6e53ef
SHA512

0389c0add09d541becf4c12efd168326434f6a4ba162569aeadc9033e2599ca9a68ae9ba614bc2999bf5c9b6b9316eb3ee3aff7d03282ba213a393300b76215e
SSDEEP

3072:6e7WpMNca3rytOkWpXfnYRl2l/9HSFHzJ0lBJTzkS:RqKB+tOkWKR0iJ0lTzkS

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4133) 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\microsoft shared\ClickToRun\C2RINTL.zh-tw.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\UIAutomationTypes.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-processthreads-l1-1-1.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentDemoR_BypassTrial180-ppd.xrm-ms.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest2-pl.xrm-ms.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Windows.Forms.Primitives.resources.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial3-ppd.xrm-ms.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_OEM_Perp-ppd.xrm-ms.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp5-ul-oob.xrm-ms.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Trial-ul-oob.xrm-ms.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Linq.Parallel.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\PresentationCore.resources.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\ReachFramework.resources.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\splash_11-lic.gif.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ro.pak.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-datetime-l1-1-0.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription2-ppd.xrm-ms.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\7-Zip\Lang\ca.txt.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msadcor.dll.mui.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Security.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Configuration.ConfigurationManager.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\jpeg_fx.md.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_OEM_Perp-ppd.xrm-ms.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Controls.Ribbon.resources.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_OEM_Perp-ppd.xrm-ms.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Grace-ppd.xrm-ms.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.Office.Tools.Common.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\7-Zip\Lang\bn.txt.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsdan.xml.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Windows.Controls.Ribbon.resources.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.Design.resources.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\plugin2\msvcp140.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\thaidict.md.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TipTsf.dll.mui.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-sysinfo-l1-1-0.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Timer.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\UIAutomationTypes.resources.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\sspi_bridge.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Java\jre-1.8\bin\dt_socket.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp3-pl.xrm-ms.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Forms.resources.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\ReachFramework.resources.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\UIAutomationProvider.resources.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription1-ppd.xrm-ms.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_OEM_Perp-ul-phn.xrm-ms.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\shaded.dotx.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Java\jre-1.8\lib\management\management.properties.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Grace-ppd.xrm-ms.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\ReachFramework.resources.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Input.Manipulations.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.OData.NetFX35.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Handles.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-utility-l1-1-0.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-string-l1-1-0.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jfr.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Java\jre-1.8\bin\orbd.exe.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_MAKC2R-pl.xrm-ms.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\keypadbase.xml.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\ReachFramework.resources.dll.tmp	37508364fe3686d0f27f727b58d09c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\PresentationFramework.resources.dll.tmp	37508364fe3686d0f27f727b58d09c50N.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	37508364fe3686d0f27f727b58d09c50N.exe

C:\Users\Admin\AppData\Local\Temp\37508364fe3686d0f27f727b58d09c50N.exe
"C:\Users\Admin\AppData\Local\Temp\37508364fe3686d0f27f727b58d09c50N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4236

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-1-5-21-1302416131-1437503476-2806442725-1000\desktop.ini.tmp

Filesize
194KB

MD5
34d2d8fc995022dad050c45124d1524c

SHA1
efab1b388e3b690f84c05e67b4c229551f1de067

SHA256
0f881d60a84f92d8fa596c1e9b3ccdb4acb930597d9d434e7e427e4e334a3765

SHA512
0c18d38301f14deb99c0c58945c5068d311e2423830c45f339f2675aa74cc178e78444d6bec3688e6b5ba9b8634b6cb26175459404aed72cf60a6195c88ae61d

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

Filesize
293KB

MD5
6f17e92383422dbe2efe67a741f2bb89

SHA1
0e2b29f3604b8427f24de6738bb90eba080d6328

SHA256
488ec635e0f1cdbf056e59d4144193889f368f4af8be40567ed6929a4505cee4

SHA512
8935c1bf21b47be79eab98869f0250217b0918049a923f4dbbc08b42c9e53173165a5d3b765fdb72c82b9a1edcad764348844120046cbeffa1f9e8649f89ee97

Download Submit