6021329bc6a92d68dceafc1e015751b71b6ccda6af0f7b27025504a61d034a5c

Analysis

max time kernel
119s
max time network
107s
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, 16:03

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General

Target

a2f4c2187a4526ba2fd1d409d0785550N.exe
Size

45KB
MD5

a2f4c2187a4526ba2fd1d409d0785550
SHA1

ba37501f19097a9524716dff63db3b613b30b940
SHA256

6021329bc6a92d68dceafc1e015751b71b6ccda6af0f7b27025504a61d034a5c
SHA512

31dc5e4ece23199f4a2c02d9296d7e95443388fd77edeeb700e9cb1221809cdf9a351c5c8ecaea5513aa06d49d098218fcf9e1a4b02325be32d221f5a153e18b
SSDEEP

768:W7BlphA7pARFbhM0Kkq81LOyq81LOl6Sl5lsSgxoVz8zJUDrYYaCusjLBEKxVTLg:W7ZhA7pApM21LOA1LOl6vSgxoVz8FUDc

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4644) 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.NETCore.App\8.0.2\System.ComponentModel.DataAnnotations.dll.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\javaws.policy.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\cryptix.md.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\CHAKRACORE.DLL.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.OpenSsl.dll.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\.version.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\SmallLogoCanary.png.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest-ppd.xrm-ms.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe.manifest.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-black_scale-80.png.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipscht.xml.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\ReachFramework.resources.dll.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\dt_shmem.dll.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\management-agent.jar.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_Subscription-ppd.xrm-ms.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Office.PowerPivot.ExcelAddIn.dll.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\et\msipc.dll.mui.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\InkObj.dll.mui.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\he.pak.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\pt-BR.pak.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Sort\YEAR.XSL.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\PUSH.WAV.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.ServicePoint.dll.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.MemoryMappedFiles.dll.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Numerics.dll.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\plugin2\vcruntime140.dll.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Grace-ul-oob.xrm-ms.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\jpeg_fx.md.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial2-ul-oob.xrm-ms.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTrial-ppd.xrm-ms.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\eu\msipc.dll.mui.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.Win32.Primitives.dll.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Java\jre-1.8\lib\psfont.properties.ja.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\client-issuance-bridge-office.xrm-ms.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-pl.xrm-ms.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\basicstylish.dotx.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\CASHREG.WAV.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Windows.Forms.resources.dll.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-ul-oob.xrm-ms.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_Subscription-ppd.xrm-ms.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\TellMePowerPoint.nrr.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\ARROW.WAV.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-synch-l1-1-0.dll.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.X509Certificates.dll.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ObjectModel.dll.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Handles.dll.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-conio-l1-1-0.dll.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_MAK-ppd.xrm-ms.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymsl.ttf.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\sv-SE\tipresx.dll.mui.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Windows.Forms.Design.resources.dll.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.Luna.dll.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Resources.Extensions.dll.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-private-l1-1-0.dll.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Trial-ul-oob.xrm-ms.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\msvcr120.dll.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ServiceProcess.dll.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\fre\StartMenu_Win10_RTL.mp4.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdVL_KMS_Client-ul-oob.xrm-ms.tmp	a2f4c2187a4526ba2fd1d409d0785550N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\System.Runtime.InteropServices.RuntimeInformation.dll.tmp	a2f4c2187a4526ba2fd1d409d0785550N.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	a2f4c2187a4526ba2fd1d409d0785550N.exe

C:\Users\Admin\AppData\Local\Temp\a2f4c2187a4526ba2fd1d409d0785550N.exe
"C:\Users\Admin\AppData\Local\Temp\a2f4c2187a4526ba2fd1d409d0785550N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1388

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-1-5-21-2392887640-1187051047-2909758433-1000\desktop.ini.tmp

Filesize
45KB

MD5
50a8b44f4ddd92b6bde745cbfc8dc675

SHA1
370878e9e360b81264a3d8855e01316a2b402114

SHA256
8d4fdd585893a2ba82cf6011169092e67b9a3ee63ecbe73ae9e52c7e0553b1e9

SHA512
658b9a6735c8a6224619aee20079a5062c5fd035ae4d637e4967b6447e556f4776cb1d077c75392a0e9d5acce5c56037cc0f0daacba228c80c9545e190c72d96

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

Filesize
144KB

MD5
73fad7e81e920a5bb4afe2c0a8787822

SHA1
07971c9ca77f368737910e3ec0d6796d5032b252

SHA256
5a967bff55c785b29dce9b171de1de2f697679ff983177b4bae7f3626e272b9b

SHA512
f49aa4caa1076be984efb9f18f1af0fec24c813fd284e603805ae1c42972d8acfd35a518bec9b490cf92dd530fe1ee698adb10c8a9eedbb5646243c9397f9f83

Download Submit