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Windows Analysis Report T81Ip9NCGi
Overview
General Information
Detection
GuLoader 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 AgentTesla
Antivirus / Scanner detection for submitted sample
Sigma detected: Droppers Exploiting CVE-2017-11882
Sigma detected: File Dropped By EQNEDT32EXE
Antivirus detection for URL or domain
GuLoader behavior detected
Antivirus detection for dropped file
Multi AV Scanner detection for dropped file
Yara detected GuLoader
Hides threads from debuggers
Writes to foreign memory regions
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Sigma detected: Execution from Suspicious Folder
Office equation editor drops PE file
Machine Learning detection for dropped file
C2 URLs / IPs found in malware configuration
Drops PE files to the user root directory
May sleep (evasive loops) to hinder dynamic analysis
Contains functionality to shutdown / reboot the system
Uses code obfuscation techniques (call, push, ret)
Internet Provider seen in connection with other malware
Detected potential crypto function
Stores large binary data to the registry
Yara detected Credential Stealer
Contains functionality to call native functions
Potential document exploit detected (performs DNS queries)
Downloads executable code via HTTP
Contains functionality for execution timing, often used to detect debuggers
Document misses a certain OLE stream usually present in this Microsoft Office document type
Abnormal high CPU Usage
Potential document exploit detected (unknown TCP traffic)
PE file contains strange resources
Drops PE files
Contains functionality to read the PEB
Uses a known web browser user agent for HTTP communication
Office Equation Editor has been started
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
Drops PE files to the user directory
Dropped file seen in connection with other malware
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)
Contains functionality for read data from the clipboard
Classification
Process Tree |
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Malware Configuration |
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Threatname: GuLoader |
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{"Payload URL": "https://onedrive.live.com/download?cid=5A15FDA1AE9"}
Threatname: Agenttesla |
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{"Exfil Mode": "SMTP", "SMTP Info": "dherdiana@rpxholding.comdha10apasmtp.rpxholding.comjo.esg2000@gmail.com"}
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_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
JoeSecurity_GuLoader_2 | Yara detected GuLoader | Joe Security | ||
JoeSecurity_GuLoader_2 | Yara detected GuLoader | Joe Security | ||
JoeSecurity_GuLoader_2 | Yara detected GuLoader | Joe Security |
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: |
Sigma detected: Execution from Suspicious Folder | 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: | ReversingLabs: |
Antivirus / Scanner detection for submitted sample | Show sources |
Source: | Avira: |
Antivirus detection for URL or domain | Show sources |
Source: | Avira URL Cloud: |
Antivirus detection for dropped file | Show sources |
Source: | Avira: |
Multi AV Scanner detection for dropped file | Show sources |
Source: | ReversingLabs: | ||
Source: | ReversingLabs: |
Machine Learning detection for dropped file | Show sources |
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: | Jump to behavior |
Source: | Process created: |
Source: | File opened: | Jump to behavior |
Source: | Binary string: |
Source: | Code function: | 3_2_00406873 | |
Source: | Code function: | 3_2_00405C49 | |
Source: | Code function: | 3_2_0040290B |
Source: | DNS query: |
Source: | TCP traffic: |
Source: | TCP traffic: |
Networking: |
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C2 URLs / IPs found in malware configuration | Show sources |
Source: | URLs: |
Source: | ASN Name: |
Source: | HTTP traffic detected: |