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Windows Analysis Report PO141021.doc
Overview
General Information
Detection
AgentTesla
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Found malware configuration
Sigma detected: EQNEDT32.EXE connecting to internet
Multi AV Scanner detection for submitted file
Yara detected Telegram RAT
Yara detected AgentTesla
Sigma detected: Droppers Exploiting CVE-2017-11882
Sigma detected: File Dropped By EQNEDT32EXE
Antivirus detection for URL or domain
Multi AV Scanner detection for domain / URL
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to harvest and steal ftp login credentials
Uses the Telegram API (likely for C&C communication)
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Binary or sample is protected by dotNetProtector
Injects a PE file into a foreign processes
Office equation editor drops PE file
Machine Learning detection for dropped file
Tries to steal Mail credentials (via file access)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Tries to harvest and steal browser information (history, passwords, etc)
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries the volume information (name, serial number etc) of a device
May sleep (evasive loops) to hinder dynamic analysis
Uses code obfuscation techniques (call, push, ret)
Detected potential crypto function
Stores large binary data to the registry
Contains functionality to launch a process as a different user
Yara detected Credential Stealer
JA3 SSL client fingerprint seen in connection with other malware
Contains functionality to call native functions
Potential document exploit detected (performs DNS queries)
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Downloads executable code via HTTP
Contains functionality for execution timing, often used to detect debuggers
Contains long sleeps (>= 3 min)
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Potential document exploit detected (unknown TCP traffic)
Drops PE files
Uses a known web browser user agent for HTTP communication
Office Equation Editor has been started
Checks if the current process is being debugged
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
Potential document exploit detected (performs HTTP gets)
Allocates memory within range which is reserved for system DLLs (kernel32.dll, advapi32.dll, etc)
Creates a process in suspended mode (likely to inject code)
Classification
Process Tree |
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Malware Configuration |
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Threatname: Telegram RAT |
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{"C2 url": "https://api.telegram.org/bot1923392915:AAHa8aKPuVKh5L9QUsA47Z5cQ-J2e00kH0Y/sendMessage"}
Threatname: Agenttesla |
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{"Exfil Mode": "Telegram", "Chat id": "1991797369", "Chat URL": "https://api.telegram.org/bot1923392915:AAHa8aKPuVKh5L9QUsA47Z5cQ-J2e00kH0Y/sendDocument"}
Yara Overview |
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Memory Dumps |
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Source | Rule | Description | Author | Strings |
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JoeSecurity_AgentTesla_1 | Yara detected AgentTesla | Joe Security | ||
JoeSecurity_AgentTesla_2 | Yara detected AgentTesla | Joe Security | ||
JoeSecurity_AgentTesla_1 | Yara detected AgentTesla | Joe Security | ||
JoeSecurity_AgentTesla_2 | Yara detected AgentTesla | Joe Security | ||
JoeSecurity_AgentTesla_1 | Yara detected AgentTesla | Joe Security | ||
Click to see the 8 entries |
Unpacked PEs |
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Source | Rule | Description | Author | Strings |
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JoeSecurity_AgentTesla_1 | Yara detected AgentTesla | Joe Security | ||
JoeSecurity_AgentTesla_2 | Yara detected AgentTesla | Joe Security | ||
JoeSecurity_AgentTesla_1 | Yara detected AgentTesla | Joe Security | ||
JoeSecurity_AgentTesla_2 | Yara detected AgentTesla | Joe Security | ||
JoeSecurity_AgentTesla_1 | Yara detected AgentTesla | Joe Security | ||
Click to see the 5 entries |
Sigma Overview |
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Exploits: |
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Sigma detected: EQNEDT32.EXE connecting to internet | Show sources |
Source: | Author: Joe Security: |
Sigma detected: File Dropped By EQNEDT32EXE | Show sources |
Source: | Author: Joe Security: |
System Summary: |
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Sigma detected: Droppers Exploiting CVE-2017-11882 | Show sources |
Source: | Author: Florian Roth: |
Jbx Signature Overview |
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Click to jump to signature section
Show All Signature Results
AV Detection: |
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Found malware configuration | Show sources |
Source: | Malware Configuration Extractor: | ||
Source: | Malware Configuration Extractor: |
Multi AV Scanner detection for submitted file | Show sources |
Source: | Virustotal: | Perma Link |
Antivirus detection for URL or domain | Show sources |
Source: | Avira URL Cloud: |
Multi AV Scanner detection for domain / URL | Show sources |
Source: | Virustotal: | Perma Link |
Machine Learning detection for dropped file | Show sources |
Source: | Joe Sandbox ML: | ||
Source: | Joe Sandbox ML: |
Exploits: |
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Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) | Show sources |
Source: | Process created: | ||
Source: | Process created: |
Source: | Process created: |
Source: | File opened: |
Source: | HTTPS traffic detected: |
Source: | DNS query: |
Source: | TCP traffic: |
Source: | TCP traffic: |
Networking: |
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Uses the Telegram API (likely for C&C communication) | Show sources |
Source: | DNS query: |
Source: | JA3 fingerprint: |
Source: | HTTP traffic detected: |
Source: | IP Address: |
Source: | HTTP traffic detected: |