4c3ad7eba84aedcd27bbe6b2e9c339804ee18f65f760a90e65f325274f07b990

Analysis

max time kernel
120s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
24-07-2024 00:22

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

27a8b09aa8bf66e1fd11310031b145a0N.exe
Size

37KB
MD5

27a8b09aa8bf66e1fd11310031b145a0
SHA1

bbd9613084416ec6c0325686d1ef6a44f4729ff3
SHA256

4c3ad7eba84aedcd27bbe6b2e9c339804ee18f65f760a90e65f325274f07b990
SHA512

87c98453b65f9c337366584831a619bfa7497f2fa025435f162a5fb96084b6714da174fecd707873e314bff9b12fec1b4cd9cecbe9919c0285a6ffa7b993011c
SSDEEP

768:W7BlpppARFbhjbhg42LcfpR42LcfproFNFC:W7ZppApBULcfpHLcfpyDC

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4266) 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\ink\ipskor.xml.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Resources.ResourceManager.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\7-Zip\Lang\pt-br.txt.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ValueTuple.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_KMS_Client-ul-oob.xrm-ms.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp4-ul-phn.xrm-ms.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-ppd.xrm-ms.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_OEM_Perp-ul-oob.xrm-ms.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Input.Manipulations.resources.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\rmid.exe.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\ko.pak.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\javafx.properties.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001B-0000-1000-0000000FF1CE.xml.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Trial-ul-oob.xrm-ms.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial5-ppd.xrm-ms.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Timer.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\WindowsFormsIntegration.resources.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail2-ul-phn.xrm-ms.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-utility-l1-1-0.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\ReachFramework.resources.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Serialization.Primitives.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationTypes.resources.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_KMS_Client-ul-oob.xrm-ms.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Retail-ul-phn.xrm-ms.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordVL_MAK-pl.xrm-ms.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.Immutable.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\clretwrc.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\UIAutomationTypes.resources.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-convert-l1-1-0.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\server\jvm.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RUI.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrlatinlm.dat.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\UIAutomationTypes.resources.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\PresentationFramework.resources.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\glass.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.OSMUX.OSMUX.x-none.msi.16.x-none.xml.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-ul-oob.xrm-ms.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\lv-LV\tipresx.dll.mui.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.TraceSource.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Private.Xml.Linq.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\sk-SK\tipresx.dll.mui.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Http.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.CompilerServices.VisualC.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\Microsoft.VisualBasic.Forms.resources.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Trial-ppd.xrm-ms.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_Subscription-ppd.xrm-ms.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp5-ppd.xrm-ms.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\InputPersonalization.exe.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\Microsoft.Ink.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\javafx_iio.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Retail-ul-oob.xrm-ms.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\msquic.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\ReachFramework.resources.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\management-agent.jar.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\AppvIsvSubsystems64.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_OEM_Perp-ul-oob.xrm-ms.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_OEM_Perp-pl.xrm-ms.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\tabskb.dll.mui.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Common Files\System\es-ES\wab32res.dll.mui.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial3-pl.xrm-ms.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.ReportingServices.Interfaces.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-processthreads-l1-1-1.dll.tmp	27a8b09aa8bf66e1fd11310031b145a0N.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	27a8b09aa8bf66e1fd11310031b145a0N.exe

C:\Users\Admin\AppData\Local\Temp\27a8b09aa8bf66e1fd11310031b145a0N.exe
"C:\Users\Admin\AppData\Local\Temp\27a8b09aa8bf66e1fd11310031b145a0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4000

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

Loading Replay Monitor...

Downloads

C:\$Recycle.Bin\S-1-5-21-1750093773-264148664-1320403265-1000\desktop.ini.tmp

Filesize
38KB

MD5
a5140bce31b3b8c1624c0b52d336aca0

SHA1
89eec32b1566f110f948a8dd983cdb73a225c252

SHA256
c23e13f9d07347ecf10ca80baa4d54e30d23571bab6113e7822ce3bb0f9d9197

SHA512
0e59c4d4e091ec4da4ec9e8cc5fa7a54cc228e7bca4e6f9bac7d49be241ad8ea4020988c4d6853d70e57604d6db0ca036bd228810e3ce5bda11d3a2f65476b91

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

Filesize
136KB

MD5
776d67fcca0e0f822d25c76dec5576c1

SHA1
edebea949ab9106bc08d4e40710506455f8e6e27

SHA256
b614500d8d5f81792e872c70cbee16b4d0ba8e5f30982d6dff089eff0923baed

SHA512
3c96f0cf680a1a4230e6d43f4f97ec1dc0d9a3a4a6873077838855016e7de97faff8caa457739d3bfdbf41a5f513e18d28ce4013660ddbed35a4b55317b9e258

Download Submit