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Windows
Analysis Report
quote.exe
Overview
General Information
| Sample Name: | quote.exe |
| Analysis ID: | 687701 |
| MD5: | 016eaf77df40f3bea1aab54078a6c7a8 |
| SHA1: | 7316ae0f00a564f246fa4c40512844fc9181e691 |
| SHA256: | 185b5f59975f52135981264900e89f09492956426ef0d309d0407c381b76a622 |
| Infos: |  |
 | |
Detection
AgentTesla, GuLoader
| Score: | 100 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 100% |
Signatures
Multi AV Scanner detection for submitted file
Yara detected Telegram RAT
Yara detected AgentTesla
Yara detected GuLoader
Snort IDS alert for network traffic
Hides threads from debuggers
Installs a global keyboard hook
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to detect Any.run
Tries to harvest and steal ftp login credentials
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses the Telegram API (likely for C&C communication)
Contains functionality to register a low level keyboard hook
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries the volume information (name, serial number etc) of a device
May sleep (evasive loops) to hinder dynamic analysis
Contains functionality to shutdown / reboot the system
Uses code obfuscation techniques (call, push, ret)
Detected potential crypto function
Found potential string decryption / allocating functions
Sample execution stops while process was sleeping (likely an evasion)
Yara detected Credential Stealer
JA3 SSL client fingerprint seen in connection with other malware
Contains functionality to call native functions
Contains functionality to dynamically determine API calls
Found dropped PE file which has not been started or loaded
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Contains functionality for execution timing, often used to detect debuggers
Contains long sleeps (>= 3 min)
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
PE file does not import any functions
Drops PE files
Tries to load missing DLLs
Contains functionality to read the PEB
Uses a known web browser user agent for HTTP communication
Checks if the current process is being debugged
Contains functionality to detect virtual machines (SLDT)
Creates a window with clipboard capturing capabilities
PE / OLE file has an invalid certificate
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
Uses Microsoft's Enhanced Cryptographic Provider
Creates a process in suspended mode (likely to inject code)
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Contains functionality for read data from the clipboard
Classification
- System is w10x64native
quote.exe (PID: 2056 cmdline: "C:\Users\ user\Deskt op\quote.e xe" MD5: 016EAF77DF40F3BEA1AAB54078A6C7A8) 
CasPol.exe (PID: 5136 cmdline: "C:\Users\ user\Deskt op\quote.e xe" MD5: 914F728C04D3EDDD5FBA59420E74E56B) 
conhost.exe (PID: 8920 cmdline: C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 81CA40085FC75BABD2C91D18AA9FFA68)
- cleanup
{"Exfil Mode": "Telegram", "Chat id": "5270570406", "Chat URL": "https://api.telegram.org/bot5148862528:AAFsBDgzlwCxy7IXRPbLVrtTngZwRqmNVnM/sendDocument"}{"C2 url": "https://api.telegram.org/bot5148862528:AAFsBDgzlwCxy7IXRPbLVrtTngZwRqmNVnM/sendMessage"}| Source | Rule | Description | Author | Strings |
|---|---|---|---|---|
| JoeSecurity_GuLoader_2 | Yara detected GuLoader | Joe Security | ||
| JoeSecurity_GuLoader_2 | Yara detected GuLoader | Joe Security | ||
| JoeSecurity_AgentTesla_1 | Yara detected AgentTesla | Joe Security | ||
| JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
| JoeSecurity_TelegramRAT | Yara detected Telegram RAT | Joe Security | ||
| Click to see the 3 entries | ||||
⊘No Sigma rule has matched
| Timestamp: | 192.168.11.20149.154.167.220497514432851779 08/22/22-01:57:41.268148 |
| SID: | 2851779 |
| Source Port: | 49751 |
| Destination Port: | 443 |
| Protocol: | TCP |
| Classtype: | A Network Trojan was detected |
Click to jump to signature section
Show All Signature Results
AV Detection |   |
|---|
| Source: | Virustotal: | Perma Link | ||
| Source: | Malware Configuration Extractor: | ||
| Source: | Malware Configuration Extractor: | ||
| Source: | Code function: | 3_2_208BB5C8 | |
| Source: | Code function: | 3_2_208BB5C0 | |
| Source: | HTTPS traffic detected: | ||
| Source: | HTTPS traffic detected: | ||
| Source: | Static PE information: | ||
| Source: | Code function: | 0_2_0040676F | |
| Source: | Code function: | 0_2_00405B23 | |
| Source: | Code function: | 0_2_00402902 | |
| Source: | File opened: | Jump to behavior | ||
| Source: | File opened: | Jump to behavior | ||
| Source: | File opened: | Jump to behavior | ||
| Source: | File opened: | Jump to behavior | ||
| Source: | File opened: | Jump to behavior | ||
| Source: | File opened: | Jump to behavior | ||
Networking | |
|---|
| Source: | Snort IDS: | ||
| Source: | DNS query: | ||
| Source: | JA3 fingerprint: | ||
| Source: | JA3 fingerprint: | ||
| Source: | HTTP traffic detected: | ||
| Source: | IP Address: | ||
| Source: | IP Address: | ||
| Source: | IP Address: | ||
| Source: | HTTP traffic detected: | ||
| Source: | HTTP traffic detected: | ||
| Source: | Network traffic detected: | ||
| Source: | Network traffic detected: | ||
| Source: | Network traffic detected: | ||
| Source: | Network traffic detected: | ||
| Source: | UDP traffic detected without corresponding DNS query: | ||
| Source: | UDP traffic detected without corresponding DNS query: | ||
| Source: | String found in binary or memory: | ||