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Windows Analysis Report 7yyqdBJVGf.exe
Overview
General Information
Detection
Cryptbot Glupteba
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Yara detected Cryptbot
Detected unpacking (overwrites its own PE header)
Yara detected Glupteba
System process connects to network (likely due to code injection or exploit)
Antivirus detection for URL or domain
Multi AV Scanner detection for submitted file
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Submitted sample is a known malware sample
Sigma detected: Suspicious Script Execution From Temp Folder
Tries to detect sandboxes and other dynamic analysis tools (window names)
Query firmware table information (likely to detect VMs)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Machine Learning detection for sample
May check the online IP address of the machine
Self deletion via cmd delete
Sigma detected: WScript or CScript Dropper
Found many strings related to Crypto-Wallets (likely being stolen)
Tries to harvest and steal browser information (history, passwords, etc)
PE file contains section with special chars
Hides threads from debuggers
Uses ping.exe to check the status of other devices and networks
Yara detected Generic Downloader
Obfuscated command line found
Machine Learning detection for dropped file
Antivirus or Machine Learning detection for unpacked file
Contains functionality to query locales information (e.g. system language)
May sleep (evasive loops) to hinder dynamic analysis
Uses code obfuscation techniques (call, push, ret)
Detected potential crypto function
Sample execution stops while process was sleeping (likely an evasion)
Stores files to the Windows start menu directory
Contains functionality to dynamically determine API calls
Downloads executable code via HTTP
Contains long sleeps (>= 3 min)
Abnormal high CPU Usage
PE file contains strange resources
Drops PE files
Contains functionality to read the PEB
Uses a known web browser user agent for HTTP communication
Checks if the current process is being debugged
Creates a start menu entry (Start Menu\Programs\Startup)
Contains functionality to retrieve information about pressed keystrokes
Creates a process in suspended mode (likely to inject code)
Contains functionality for read data from the clipboard
Uses 32bit PE files
Queries the volume information (name, serial number etc) of a device
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to shutdown / reboot the system
PE file contains sections with non-standard names
Contains functionality to query CPU information (cpuid)
Found potential string decryption / allocating functions
Contains functionality to record screenshots
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Entry point lies outside standard sections
Is looking for software installed on the system
Queries information about the installed CPU (vendor, model number etc)
PE file contains an invalid checksum
Contains functionality to download and launch executables
Contains capabilities to detect virtual machines
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
Uses Microsoft's Enhanced Cryptographic Provider
Found WSH timer for Javascript or VBS script (likely evasive script)
Classification
Process Tree |
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Malware Configuration |
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No configs have been found |
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Yara Overview |
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Memory Dumps |
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Source | Rule | Description | Author | Strings |
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JoeSecurity_Cryptbot | Yara detected Cryptbot | Joe Security | ||
JoeSecurity_Cryptbot | Yara detected Cryptbot | Joe Security | ||
JoeSecurity_Cryptbot | Yara detected Cryptbot | Joe Security | ||
JoeSecurity_Glupteba_1 | Yara detected Glupteba | Joe Security | ||
JoeSecurity_Cryptbot | Yara detected Cryptbot | Joe Security |
Unpacked PEs |
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Source | Rule | Description | Author | Strings |
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JoeSecurity_GenericDownloader_3 | Yara detected Generic Downloader | Joe Security | ||
JoeSecurity_GenericDownloader_3 | Yara detected Generic Downloader | Joe Security | ||
JoeSecurity_GenericDownloader_3 | Yara detected Generic Downloader | Joe Security | ||
JoeSecurity_Cryptbot | Yara detected Cryptbot | Joe Security | ||
JoeSecurity_Cryptbot | Yara detected Cryptbot | Joe Security | ||
Click to see the 5 entries |
Sigma Overview |
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System Summary: |
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Sigma detected: Suspicious Script Execution From Temp Folder | Show sources |
Source: | Author: Florian Roth, Max Altgelt: |
Sigma detected: WScript or CScript Dropper | Show sources |
Source: | Author: Margaritis Dimitrios (idea), Florian Roth (rule), oscd.community: |
Jbx Signature Overview |
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Click to jump to signature section
Show All Signature Results
AV Detection: |
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Antivirus detection for URL or domain | Show sources |
Source: | Avira URL Cloud: |
Multi AV Scanner detection for submitted file | Show sources |
Source: | Virustotal: | Perma Link | ||
Source: | ReversingLabs: |
Multi AV Scanner detection for domain / URL | Show sources |
Source: | Virustotal: | Perma Link |
Multi AV Scanner detection for dropped file | Show sources |
Source: | ReversingLabs: | ||
Source: | ReversingLabs: | ||
Source: | ReversingLabs: | ||
Source: | ReversingLabs: |
Machine Learning detection for sample | Show sources |
Source: | Joe Sandbox ML: |
Machine Learning detection for dropped file | Show sources |
Source: | Joe Sandbox ML: |
Source: | Avira: | ||
Source: | Avira: |
Source: | Code function: | 0_2_00401220 | |
Source: | Code function: | 13_2_004E662D |
Compliance: |
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Detected unpacking (overwrites its own PE header) | Show sources |
Source: | Unpacked PE file: |
Source: | Static PE information: |
Source: | File opened: | Jump to behavior |
Source: | HTTPS traffic detected: |
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: |
Source: | File opened: | Jump to behavior | ||
Source: | File opened: | Jump to behavior | ||
Source: | File opened: | Jump to behavior | ||
Source: | File opened: | Jump to behavior | ||
Source: | File opened: | Jump to behavior | ||
Source: | File opened: | Jump to behavior |
Source: | Code function: | 0_2_004026C0 | |
Source: | Code function: | 0_2_0042B3BE | |
Source: | Code function: | 10_2_00406301 | |
Source: | Code function: | 10_2_00406CC7 | |
Source: | Code function: | 13_2_004E23D4 |
Networking: |
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System process connects to network (likely due to code injection or exploit) | Show sources |
Source: | Domain query: | ||
Source: | Network Connect: |
May check the online IP address of the machine | Show sources |
Source: | DNS query: | ||
Source: | DNS query: |
Uses ping.exe to check the status of other devices and networks | Show sources |
Source: | Process created: |
Yara detected Generic Downloader | Show sources |
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: |
Source: | HTTP traffic detected: |