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Windows
Analysis Report
NOTIFICATION_OF_DEPENDANTS_1.vbs
Overview
General Information
| Sample name: | NOTIFICATION_OF_DEPENDANTS_1.vbs |
| Analysis ID: | 1579449 |
| MD5: | 9a10ccf62e25194ba112cd1058b43a52 |
| SHA1: | 56bcf9ea53ac136b025a337e0b74bd36ccd67db8 |
| SHA256: | 2d67d4e708c92155a2a9b90d728057e024b57a031ea7d21d34da65a5f4de3028 |
| Tags: | vbsuser-TeamDreier |
| Infos: |  |
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Detection
| Score: | 100 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 100% |
Signatures
Multi AV Scanner detection for dropped file
Sigma detected: Delete shadow copy via WMIC
VBScript performs obfuscated calls to suspicious functions
AI detected suspicious sample
Adds a directory exclusion to Windows Defender
Deletes shadow drive data (may be related to ransomware)
Loading BitLocker PowerShell Module
May encrypt documents and pictures (Ransomware)
Modifies existing user documents (likely ransomware behavior)
Overwrites Mozilla Firefox settings
Powershell drops PE file
Sigma detected: Control Panel Items
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation STDIN+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Shadow Copies Deletion Using Operating Systems Utilities
Sigma detected: Suspicious Ping/Del Command Combination
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes data at the end of the disk (often used by bootkits to hide malicious code)
Wscript starts Powershell (via cmd or directly)
Abnormal high CPU Usage
Contains capabilities to detect virtual machines
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Creates a start menu entry (Start Menu\Programs\Startup)
Creates files inside the system directory
Dropped file seen in connection with other malware
Drops PE files
Drops files with a non-matching file extension (content does not match file extension)
Found WSH timer for Javascript or VBS script (likely evasive script)
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found dropped PE file which has not been started or loaded
IP address seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
Java / VBScript file with very long strings (likely obfuscated code)
May sleep (evasive loops) to hinder dynamic analysis
Queries disk information (often used to detect virtual machines)
Queries sensitive Operating System Information (via WMI, Win32_ComputerSystem, often done to detect virtual machines)
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
Queries the volume information (name, serial number etc) of a device
Sample execution stops while process was sleeping (likely an evasion)
Sigma detected: CurrentVersion Autorun Keys Modification
Sigma detected: Potential Command Line Path Traversal Evasion Attempt
Sigma detected: PowerShell Web Download
Sigma detected: Powershell Defender Exclusion
Sigma detected: Startup Folder File Write
Sigma detected: Usage Of Web Request Commands And Cmdlets
Sigma detected: Use Short Name Path in Command Line
Sigma detected: WSF/JSE/JS/VBA/VBE File Execution Via Cscript/Wscript
Stores files to the Windows start menu directory
Stores large binary data to the registry
Classification
AV Detection |
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