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Windows
Analysis Report
7027521.xlsx
Overview
General Information
Detection
GuLoader
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
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
Yara detected GuLoader
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
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)
PE file contains sections with non-standard names
Internet Provider seen in connection with other malware
Detected potential crypto function
Contains functionality to dynamically determine API calls
Found dropped PE file which has not been started or loaded
Downloads executable code via HTTP
Abnormal high CPU Usage
Potential document exploit detected (unknown TCP traffic)
PE file contains strange resources
Drops PE files
Uses a known web browser user agent for HTTP communication
Office Equation Editor has been started
Binary contains a suspicious time stamp
Drops PE files to the user directory
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
- System is w7x64
- EXCEL.EXE (PID: 584 cmdline:
"C:\Progra m Files\Mi crosoft Of fice\Offic e14\EXCEL. EXE" /auto mation -Em bedding MD5: D53B85E21886D2AF9815C377537BCAC3)
- EQNEDT32.EXE (PID: 1352 cmdline:
"C:\Progra m Files\Co mmon Files \Microsoft Shared\EQ UATION\EQN EDT32.EXE" -Embeddin g MD5: A87236E214F6D42A65F5DEDAC816AEC8) - vbc.exe (PID: 800 cmdline:
"C:\Users\ Public\vbc .exe" MD5: 0DCB37FF90B93B7A3225707B1AF111B8)
- cleanup
{"Payload URL": "https://dariamob.ro/wed/eee_XScUCMEVL47."}
Source | Rule | Description | Author | Strings |
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JoeSecurity_GuLoader_2 | Yara detected GuLoader | Joe Security |
Exploits |
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Source: | Author: Joe Security: |
Source: | Author: Joe Security: |
System Summary |
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Source: | Author: Florian Roth: |
Source: | Author: Florian Roth: |
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AV Detection |
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Source: | Malware Configuration Extractor: |
Source: | Virustotal: | Perma Link | ||
Source: | Metadefender: | Perma Link | ||
Source: | ReversingLabs: |
Source: | Avira URL Cloud: |
Source: | Virustotal: | Perma Link |
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Source: | Memory has grown: |
Networking |
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Source: | HTTP traffic detected: |