Analysis Report 8e1c4bf4d7639eeb253500f744cbbff5
Overview
General Information
Detection
Emotet
Score: | 64 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected Emotet
Drops executables to the windows directory (C:\Windows) and starts them
Hides that the sample has been downloaded from the Internet (zone.identifier)
Contains capabilities to detect virtual machines
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to check if a window is minimized (may be used to check if an application is visible)
Contains functionality to dynamically determine API calls
Contains functionality to query CPU information (cpuid)
Contains functionality to query locales information (e.g. system language)
Contains functionality to read the PEB
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Creates files inside the system directory
Deletes files inside the Windows folder
Detected TCP or UDP traffic on non-standard ports
Detected potential crypto function
Drops PE files to the windows directory (C:\Windows)
Found potential string decryption / allocating functions
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
PE file contains an invalid checksum
PE file contains strange resources
Potential key logger detected (key state polling based)
Program does not show much activity (idle)
Queries the volume information (name, serial number etc) of a device
Sample file is different than original file name gathered from version info
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Uses Microsoft's Enhanced Cryptographic Provider
Uses a known web browser user agent for HTTP communication
Uses code obfuscation techniques (call, push, ret)
Classification
Startup |
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Malware Configuration |
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Threatname: Emotet |
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{"RSA Public Key": "MHwwDQYJKoZIhvcNAQEBBQADawAwaAJhAOZ9fLJ8UrI0OZURpPsR3eijAyfPj3z6\nuS75f2igmYFW2aWgNcFIzsAYQleKzD0nlCFHOo7Zf8/4wY2UW0CJ4dJEHnE/PHlz\n6uNk3pxjm7o4eCDyiJbzf+k0Azjl0q54FQIDAQAB"}
Yara Overview |
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Memory Dumps |
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Source | Rule | Description | Author | Strings |
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JoeSecurity_Emotet | Yara detected Emotet | Joe Security | ||
JoeSecurity_Emotet | Yara detected Emotet | Joe Security | ||
JoeSecurity_Emotet | Yara detected Emotet | Joe Security | ||
JoeSecurity_Emotet | Yara detected Emotet | Joe Security |
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
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Networking: |
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Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) | Show sources |
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