644fa7b2e1530d24ef6a4b4a7d6d9dbb22aadae6f4fc0ac18104d5e18b568842

Analysis

max time kernel
120s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16/08/2024, 21:30

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General

Target

fef539125e1a28a737167f455e244f30N.exe
Size

100KB
MD5

fef539125e1a28a737167f455e244f30
SHA1

0117f3101b5dc6fd4ad378be94e32b556510adbe
SHA256

644fa7b2e1530d24ef6a4b4a7d6d9dbb22aadae6f4fc0ac18104d5e18b568842
SHA512

54b226c7e941b4c685f83f3d472981738ae3f1e91028eac7fd5b0facf10642a0e0bd197213a71ac3d76029338aa83fc4cc416d5f1e319bed4476dffbc37824ed
SSDEEP

3072:69WpQEoTdc6e6kvNDck7Tdc6e6kvNDcksh/UxYnMR:nSTdc6e6kvNDck7Tdc6e6kvNDckyUxY8

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4355) 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.ar-sa.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\bg-BG\tipresx.dll.mui.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\santuario.md.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\client-issuance-ul-oob.xrm-ms.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\7-Zip\Lang\fur.txt.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardMSDNR_Retail-pl.xrm-ms.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONCHART.DLL.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Windows.Input.Manipulations.resources.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Microsoft Office\root\Client\mfc140u.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\java.exe.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\7-Zip\Lang\ca.txt.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_jpn.xml.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.Xml.Linq.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.ServicePoint.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\ReachFramework.resources.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\TellMeOneNote.nrr.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\tabskb.dll.mui.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\sl-SI\tipresx.dll.mui.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-string-l1-1-0.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\WindowsBase.resources.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\SmallLogoCanary.png.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ExcelTellMeOnnxModel.bin.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems32.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.DirectoryServices.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\WindowsFormsIntegration.resources.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\lv.pak.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Dynamic.Runtime.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\vcruntime140_cor3.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\PresentationCore.resources.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTrial-ppd.xrm-ms.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\it-IT\msinfo32.exe.mui.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Common Files\System\wab32res.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.InteropServices.RuntimeInformation.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Compression.Brotli.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\Microsoft.VisualBasic.Forms.resources.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-libraryloader-l1-1-0.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\PresentationFramework.resources.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-heap-l1-1-0.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\PresentationUI.resources.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Microsoft Office\root\loc\AppXManifestLoc.16.en-us.xml.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\+NewSQLServerConnection.odc.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.hr-hr.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\vcruntime140.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\mip.exe.mui.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\SmallLogoBeta.png.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_OEM_Perp-pl.xrm-ms.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_zh_CN.properties.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp3-pl.xrm-ms.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSQRY32.CHM.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\rtscom.dll.mui.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrusash.dat.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.VisualBasic.Core.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Java\jre-1.8\bin\javaws.exe.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Java\jre-1.8\bin\JAWTAccessBridge-64.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationUI.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_OEM_Perp-pl.xrm-ms.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Grace-ppd.xrm-ms.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ospintl.dll.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\7-Zip\Lang\zh-tw.txt.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\tabskb.dll.mui.tmp	fef539125e1a28a737167f455e244f30N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.WindowsDesktop.App.deps.json.tmp	fef539125e1a28a737167f455e244f30N.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	fef539125e1a28a737167f455e244f30N.exe

C:\Users\Admin\AppData\Local\Temp\fef539125e1a28a737167f455e244f30N.exe
"C:\Users\Admin\AppData\Local\Temp\fef539125e1a28a737167f455e244f30N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:808

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
100KB

MD5
1918f85a981e00f06e96824b5fe16c4e

SHA1
d07dcff0dcde816abbdd8a3022d49da5305349ff

SHA256
b90bab40af39c05db7ed1c6c0a2fc3b4cf9a0c7f120f49ffba911724b23b9832

SHA512
52c80e60788af958a5484dd4a2caaea05d62145c062c428e083fdfc96d358119d516d0c82c5047021b9be6b9ab96da39610c22eccce7cc31725abfc1a973991f

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

Filesize
199KB

MD5
b5fb9d3d71bf40db597a3ae58be6c567

SHA1
5d06032c066a58b7769ac73d8c168fd265a9a8bd

SHA256
8991743ea1e57af8bf10967dd89118e2169b47f2c2b726390fde77e72797fc54

SHA512
22b4fd598135ffed3846dd2ad06705b9319d640d9b9dba1f208e5616b5dfc6fedfd281017e99be97ffd8d799f81d0e6684f518df925286c323248d2463860039

Download Submit