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Analysis Report Overdue_invoices.exe
Overview
General Information
Detection
AgentTesla
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected AgentTesla
.NET source code contains potential unpacker
Contains functionality to log keystrokes (.Net Source)
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
May check the online IP address of the machine
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to harvest and steal browser information (history, passwords, etc)
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Detected TCP or UDP traffic on non-standard ports
Detected potential crypto function
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Is looking for software installed on the system
May sleep (evasive loops) to hinder dynamic analysis
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 file is different than original file name gathered from version info
Uses 32bit PE files
Uses SMTP (mail sending)
Uses code obfuscation techniques (call, push, ret)
Yara signature match
Classification
Startup |
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Malware Configuration |
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Threatname: Agenttesla |
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{"Username: ": "", "URL: ": "", "To: ": "", "ByHost: ": "smtp.gmail.com:5874", "Password: ": "", "From: ": ""}
Yara Overview |
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Memory Dumps |
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Source | Rule | Description | Author | Strings |
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Quasar_RAT_1 | Detects Quasar RAT | Florian Roth |
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Quasar_RAT_1 | Detects Quasar RAT | Florian Roth |
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JoeSecurity_AgentTesla_1 | Yara detected AgentTesla | Joe Security |
Unpacked PEs |
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Source | Rule | Description | Author | Strings |
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Quasar_RAT_1 | Detects Quasar RAT | Florian Roth |
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Sigma Overview |
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No Sigma rule has matched |
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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: |
Multi AV Scanner detection for submitted file | Show sources |
Source: | ReversingLabs: |
Compliance: |
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Uses 32bit PE files | Show sources |
Source: | Static PE information: |
Contains modern PE file flags such as dynamic base (ASLR) or NX | Show sources |
Source: | Static PE information: |
Networking: |
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May check the online IP address of the machine | Show sources |
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Source: | HTTP traffic detected: | ||
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Source: | String found in binary or memory: |