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Analysis Report New Order for April#89032.xlsx
Overview
General Information
Detection
AgentTesla Telegram RAT
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: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Drops PE files to the user root directory
Injects a PE file into a foreign processes
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)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Uses the Telegram API (likely for C&C communication)
Allocates a big amount of memory (probably used for heap spraying)
Allocates memory within range which is reserved for system DLLs (kernel32.dll, advapi32.dll, etc)
Contains functionality to call native functions
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Detected potential crypto function
Document misses a certain OLE stream usually present in this Microsoft Office document type
Downloads executable code via HTTP
Drops PE files
Drops PE files to the user directory
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found inlined nop instructions (likely shell or obfuscated code)
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
Office Equation Editor has been started
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 sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
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)
Yara detected Credential Stealer
Classification
Startup |
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Malware Configuration |
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Threatname: Agenttesla |
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{"Exfil Mode": "Telegram", "Chat id": "1063661839", "Chat URL": "https://api.telegram.org/bot1620445910:AAF2v81NoINJsu_XXnpGet1YDm-NxnznaIE/sendDocument"}
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_AgentTesla_1 | Yara detected AgentTesla | Joe Security | ||
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
JoeSecurity_AntiVM_3 | Yara detected AntiVM_3 | Joe Security | ||
JoeSecurity_AgentTesla_1 | Yara detected AgentTesla | Joe Security | ||
Click to see the 6 entries |
Unpacked PEs |
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Source | Rule | Description | Author | Strings |
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JoeSecurity_AgentTesla_1 | Yara detected AgentTesla | Joe Security | ||
JoeSecurity_AgentTesla_1 | Yara detected AgentTesla | Joe Security | ||
JoeSecurity_AgentTesla_1 | Yara detected AgentTesla | Joe Security |
Sigma Overview |
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System Summary: |
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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: |
Signature Overview |
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Click to jump to signature section
Show All Signature Results
AV Detection: |
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Antivirus detection for URL or domain | Show sources |
Source: | Avira URL Cloud: |
Found malware configuration | Show sources |
Source: | Malware Configuration Extractor: |
Multi AV Scanner detection for dropped file | Show sources |
Source: | ReversingLabs: | ||
Source: | ReversingLabs: |
Multi AV Scanner detection for submitted file | Show sources |
Source: | ReversingLabs: |
Machine Learning detection for dropped file | Show sources |
Source: | Joe Sandbox ML: | ||
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: |
Source: | Process created: |
Source: | File opened: |
Source: | HTTPS traffic detected: |
Source: | Memory has grown: |
Source: | Code function: | ||
Source: | Code function: | ||
Source: | Code function: | ||
Source: | Code function: |
Source: | DNS query: |
Source: | TCP traffic: |
Source: | TCP traffic: |
Networking: |
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Uses the Telegram API (likely for C&C communication) | Show sources |
Source: | DNS query: |
Source: | HTTP traffic detected: |