Analysis
- max time kernel
152s - max time network
159s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
30/11/2022, 15:58
Behavioral task
behavioral1
Sample
11540A93823F0CA6F8AF260616814226.exe
Resource
win7-20220812-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
11540A93823F0CA6F8AF260616814226.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target 11540A93823F0CA6F8AF260616814226.exe
- Size 180KB
- Sample221130-tehl1aea23
- SHA256 a5314b9c3e7e58a045ed0276b13c7f5247c082938953d8151488b3f475ceb435
- MD5 11540a93823f0ca6f8af260616814226
- SHA1 0405d1355d46fa94dacfb4088ba301a325777e60
- SHA512 e9f4ea6e5140dc90e330c94ce3afa74824e95573ecf598ffd668bfb861f02ae6a510aa905b3b0884bdef6835eb02cbbda3786b97e700ab61a66db190769e00ca
- SSDEEP 3072:xYc6JCKw1Y95tupSo9z9+HUvNGomucXm:xZKwE5IEo9zwHD
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detect MafiaWare666 ransomware 1 IoCs
resource yara_rule behavioral2/memory/3992-132-0x0000000000E30000-0x0000000000E62000-memory.dmp family_mafiaware666 - MafiaWare666 Ransomware
MafiaWare666 is ransomware written in C# with multiple variants.
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "0" 11540A93823F0CA6F8AF260616814226.exe - Disables Task Manager via registry modification
- Downloads MZ/PE file
- Modifies extensions of user files 2 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File created C:\Users\Admin\Pictures\AssertMerge.tif.jcrypt 11540A93823F0CA6F8AF260616814226.exe File created C:\Users\Admin\Pictures\OptimizeWatch.crw.jcrypt 11540A93823F0CA6F8AF260616814226.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BrokenPc = "C:\\Windows\\SystemFiles.exe" 11540A93823F0CA6F8AF260616814226.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BrokenPc = "C:\\Windows\\brokenpc.exe" 11540A93823F0CA6F8AF260616814226.exe - Drops desktop.ini file(s) 6 IoCs
description ioc Process File opened for modification C:\Users\Admin\Desktop\desktop.ini 11540A93823F0CA6F8AF260616814226.exe File opened for modification C:\Users\Admin\Music\desktop.ini 11540A93823F0CA6F8AF260616814226.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini 11540A93823F0CA6F8AF260616814226.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini 11540A93823F0CA6F8AF260616814226.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini 11540A93823F0CA6F8AF260616814226.exe File opened for modification C:\Users\Admin\Documents\desktop.ini 11540A93823F0CA6F8AF260616814226.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\brokenpc.exe 11540A93823F0CA6F8AF260616814226.exe File created C:\Windows\SystemFiles.exe 11540A93823F0CA6F8AF260616814226.exe - Suspicious behavior: EnumeratesProcesses 53 IoCs
pid Process 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe 3992 11540A93823F0CA6F8AF260616814226.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3992 11540A93823F0CA6F8AF260616814226.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\11540A93823F0CA6F8AF260616814226.exe"C:\Users\Admin\AppData\Local\Temp\11540A93823F0CA6F8AF260616814226.exe"1⤵
- Modifies WinLogon for persistence
- Modifies extensions of user files
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3992