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Analysis Report payment_advice.doc
Overview
General Information
| Sample Name: | payment_advice.doc |
| Analysis ID: | 356799 |
| MD5: | 0ea6e37e930278b71774ae91d68bb879 |
| SHA1: | 5e3721c21b04c30c0f2d3b7e83b7bb506fd55cb8 |
| SHA256: | 3fda6eb4d90828826854806f1956d0d4a20bf5f95eb917370ff05ba5ba1dde66 |
| Tags: | doc |
| Infos: | |
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Most interesting Screenshot:  |
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Detection
AgentTesla
| Score: | 100 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 100% |
Signatures
Antivirus detection for URL or domain
Found malware configuration
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Droppers Exploiting CVE-2017-11882
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected AgentTesla
Binary contains a suspicious time stamp
C2 URLs / IPs found in malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Office equation editor drops PE file
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file access)
Allocates memory within range which is reserved for system DLLs (kernel32.dll, advapi32.dll, etc)
Checks if the current process is being debugged
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Contains functionality to call native functions
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Creates a window with clipboard capturing capabilities
Detected TCP or UDP traffic on non-standard ports
Detected potential crypto function
Downloads executable code via HTTP
Dropped file seen in connection with other malware
Drops PE files
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
Internet Provider seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
Office Equation Editor has been started
Potential document exploit detected (performs DNS queries)
Potential document exploit detected (performs HTTP gets)
Potential document exploit detected (unknown TCP traffic)
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 execution stops while process was sleeping (likely an evasion)
Uses SMTP (mail sending)
Uses a known web browser user agent for HTTP communication
Uses code obfuscation techniques (call, push, ret)
Yara detected Credential Stealer
Classification
AV Detection: |
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| Antivirus detection for URL or domain |
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| Found malware configuration |
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| Multi AV Scanner detection for dropped file |
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ReversingLabs: |
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| Multi AV Scanner detection for submitted file |
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| Machine Learning detection for dropped file |
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Exploits: |
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| Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) |
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Jump to behavior | ||
| Office Equation Editor has been started |
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Compliance: |
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| Uses new MSVCR Dlls |
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| Binary contains paths to debug symbols |
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Software Vulnerabilities: |
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| Potential document exploit detected (performs DNS queries) |
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DNS query: |
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| Potential document exploit detected (performs HTTP gets) |
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TCP traffic: |
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| Potential document exploit detected (unknown TCP traffic) |
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Networking: |
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| Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) |
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Snort IDS: |
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| C2 URLs / IPs found in malware configuration |
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| Detected TCP or UDP traffic on non-standard ports |
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| Downloads executable code via HTTP |
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HTTP traffic detected: | ||