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Analysis Report Arch_2021_717-1562532.doc
Overview
General Information
| Sample Name: | Arch_2021_717-1562532.doc |
| Analysis ID: | 344339 |
| MD5: | d8358bce25bf7488068cfa9490205833 |
| SHA1: | 35c09dac297f82402a99de172600ba40d87c3ab7 |
| SHA256: | b253cf724dd411f9a433e2595d82ee412c28ae67c09ea0538d382334f2684f10 |
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Most interesting Screenshot:  |
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Detection
Emotet
| Score: | 100 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 100% |
Signatures
Antivirus detection for URL or domain
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
System process connects to network (likely due to code injection or exploit)
Yara detected Emotet
Creates processes via WMI
Document contains an embedded VBA with many GOTO operations indicating source code obfuscation
Encrypted powershell cmdline option found
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Obfuscated command line found
Potential dropper URLs found in powershell memory
Powershell drops PE file
Sigma detected: Suspicious Call by Ordinal
Sigma detected: Suspicious Encoded PowerShell Command Line
Suspicious powershell command line found
Very long command line found
Allocates memory within range which is reserved for system DLLs (kernel32.dll, advapi32.dll, etc)
Contains functionality to call native functions
Contains functionality to read the PEB
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Creates files inside the system directory
Detected TCP or UDP traffic on non-standard ports
Detected potential crypto function
Document contains an embedded VBA macro which executes code when the document is opened / closed
Document contains embedded VBA macros
Downloads executable code via HTTP
Drops PE files
Drops PE files to the windows directory (C:\Windows)
Enables debug privileges
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
PE file contains strange resources
Potential document exploit detected (performs DNS queries)
Potential document exploit detected (performs HTTP gets)
Potential document exploit detected (unknown TCP traffic)
Queries the volume information (name, serial number etc) of a device
Uses a known web browser user agent for HTTP communication
Uses code obfuscation techniques (call, push, ret)
Very long cmdline option found, this is very uncommon (may be encrypted or packed)
Classification
AV Detection: |
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| Antivirus detection for URL or domain |
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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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Virustotal: |
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| Machine Learning detection for dropped file |
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Joe Sandbox ML: |
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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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File opened: |
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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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TCP traffic: |
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Networking: |
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| Potential dropper URLs found in powershell memory |
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String found in memory: |
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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: | ||