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Windows Analysis Report 9fC0as7YLE
Overview
General Information
| Sample Name: | 9fC0as7YLE (renamed file extension from none to dll) |
| Analysis ID: | 524854 |
| MD5: | 1436a43cdd37d5e362b0699552b446ed |
| SHA1: | c3c2a766ecd7b01e4aec5810ed5dbeff6036c432 |
| SHA256: | f7c6e16173099ee6d999c37b5eeb327446cb836ff6c5455454cfb22775fb9624 |
| Tags: | 32dllexe |
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Most interesting Screenshot:  |
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Detection
Emotet
| Score: | 100 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 100% |
Signatures
Found malware configuration
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Multi AV Scanner detection for submitted file
Yara detected Emotet
System process connects to network (likely due to code injection or exploit)
Sigma detected: Emotet RunDLL32 Process Creation
Changes security center settings (notifications, updates, antivirus, firewall)
Tries to detect virtualization through RDTSC time measurements
C2 URLs / IPs found in malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 query locales information (e.g. system language)
Deletes files inside the Windows folder
May sleep (evasive loops) to hinder dynamic analysis
Checks if Antivirus/Antispyware/Firewall program is installed (via WMI)
Uses code obfuscation techniques (call, push, ret)
Creates files inside the system directory
Internet Provider seen in connection with other malware
Detected potential crypto function
Contains functionality to query CPU information (cpuid)
Found potential string decryption / allocating functions
Sample execution stops while process was sleeping (likely an evasion)
JA3 SSL client fingerprint seen in connection with other malware
Contains functionality to call native functions
HTTP GET or POST without a user agent
Contains functionality which may be used to detect a debugger (GetProcessHeap)
IP address seen in connection with other malware
Contains functionality for execution timing, often used to detect debuggers
AV process strings found (often used to terminate AV products)
Sample file is different than original file name gathered from version info
PE file contains an invalid checksum
Extensive use of GetProcAddress (often used to hide API calls)
Tries to load missing DLLs
Contains functionality to read the PEB
Drops PE files to the windows directory (C:\Windows)
Queries disk information (often used to detect virtual machines)
Creates a process in suspended mode (likely to inject code)
Contains functionality for read data from the clipboard
Classification
AV Detection: |
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| Found malware configuration |
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Malware Configuration Extractor: |
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| Multi AV Scanner detection for submitted file |
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Perma Link | ||
Compliance: |
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| Uses 32bit PE files |
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HTTPS traffic detected: |
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Code function: |
0_2_6EE0D1EE | |
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Code function: |
2_2_6EE0D1EE | |
Networking: |
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| Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) |
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| System process connects to network (likely due to code injection or exploit) |
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| C2 URLs / IPs found in malware configuration |
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| Internet Provider seen in connection with other malware |
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| JA3 SSL client fingerprint seen in connection with other malware |
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| HTTP GET or POST without a user agent |
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| IP address seen in connection with other malware |
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