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Analysis Report INQUIRY_RFQ_20210208.doc
Overview
General Information
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 domain / URL
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
Sigma detected: Scheduled temp file as task from temp location
Yara detected AgentTesla
Yara detected AntiVM_3
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Adds / modifies Windows certificates
Allocates memory within range which is reserved for system DLLs (kernel32.dll, advapi32.dll, etc)
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
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
Drops PE files
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
May sleep (evasive loops) to hinder dynamic analysis
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
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
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
Startup |
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Malware Configuration |
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Threatname: Agenttesla |
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{"Username: ": "eO3kLZ6JGV5bG", "URL: ": "http://GTUj5adfCGo.orgbr>48Em", "To: ": "yumi@jljjmetals.com", "ByHost: ": "mail.privateemail.com:587", "Password: ": "UAorANoO", "From: ": "yumi@jljjmetals.com"}
Yara Overview |
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Memory Dumps |
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Source | Rule | Description | Author | Strings |
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JoeSecurity_AntiVM_3 | Yara detected AntiVM_3 | Joe Security | ||
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_AgentTesla_1 | Yara detected AgentTesla | Joe Security | ||
Click to see the 9 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_AntiVM_3 | Yara detected AntiVM_3 | Joe Security | ||
JoeSecurity_AgentTesla_1 | Yara detected AgentTesla | Joe Security | ||
JoeSecurity_AgentTesla_1 | Yara detected AgentTesla | Joe Security | ||
Click to see the 1 entries |
Sigma Overview |
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System Summary: |
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Sigma detected: Droppers Exploiting CVE-2017-11882 | Show sources |
Source: | Author: Florian Roth: |
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: |
Sigma detected: Scheduled temp file as task from temp location | 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 domain / URL | Show sources |
Source: | Virustotal: | Perma Link |
Multi AV Scanner detection for dropped file | Show sources |
Source: | ReversingLabs: | ||
Source: | ReversingLabs: | ||
Source: | ReversingLabs: |
Multi AV Scanner detection for submitted file | Show sources |
Source: | Virustotal: | Perma Link | ||
Source: | ReversingLabs: |
Exploits: |
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Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) | Show sources |
Source: | Process created: | Jump to behavior |
Source: | Process created: |
Compliance: |
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Uses new MSVCR Dlls | Show sources |
Source: | File opened: | Jump to behavior |
Source: | Code function: | 4_2_00270354 | |
Source: | Code function: | 4_2_0027D800 |
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: | TCP traffic: |
Source: | HTTP traffic detected: |