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Windows Analysis Report
SecuriteInfo.com.W32.AIDetect.malware2.8516.exe

Overview

General Information

Sample Name:SecuriteInfo.com.W32.AIDetect.malware2.8516.exe
Analysis ID:625379
MD5:90e91d605fb261fa827093074c0d7178
SHA1:1737b52ca846659954692ac55235addf749e405b
SHA256:4700f996868b461bae3a5b57efcd8719169d0c9acb400fa77d6a36787b37b0e1
Infos:

Detection

AgentTesla, GuLoader
Score:100
Range:0 - 100
Whitelisted:false
Confidence:100%

Signatures

Found malware configuration
Multi AV Scanner detection for submitted file
Yara detected Telegram RAT
Yara detected AgentTesla
Yara detected GuLoader
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)
C2 URLs / IPs found in malware configuration
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)
Uses 32bit PE files
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
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 contains strange resources
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
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
  • SecuriteInfo.com.W32.AIDetect.malware2.8516.exe (PID: 384 cmdline: "C:\Users\user\Desktop\SecuriteInfo.com.W32.AIDetect.malware2.8516.exe" MD5: 90E91D605FB261FA827093074C0D7178)
    • CasPol.exe (PID: 6092 cmdline: "C:\Users\user\Desktop\SecuriteInfo.com.W32.AIDetect.malware2.8516.exe" MD5: 914F728C04D3EDDD5FBA59420E74E56B)
    • CasPol.exe (PID: 1668 cmdline: "C:\Users\user\Desktop\SecuriteInfo.com.W32.AIDetect.malware2.8516.exe" MD5: 914F728C04D3EDDD5FBA59420E74E56B)
      • conhost.exe (PID: 2624 cmdline: C:\Windows\system32\conhost.exe 0xffffffff -ForceV1 MD5: 81CA40085FC75BABD2C91D18AA9FFA68)
  • cleanup
{"Exfil Mode": "Telegram", "Chat id": "5340613581", "Chat URL": "https://api.telegram.org/bot5362707045:AAGBjkYF97cvI4xaEhJ1OrouiqS3umCPqqA/sendDocument"}
{"Payload URL": "https://drive.google.com/uc?export=download&id=1o9xcx-d3Bxjd3qTkG604DI9J3fWxwqqB"}
{"C2 url": "https://api.telegram.org/bot5362707045:AAGBjkYF97cvI4xaEhJ1OrouiqS3umCPqqA/sendMessage"}
SourceRuleDescriptionAuthorStrings
00000004.00000000.34495451157.0000000001100000.00000040.00000400.00020000.00000000.sdmpJoeSecurity_GuLoader_2Yara detected GuLoaderJoe Security
    00000001.00000002.34639544413.0000000002A00000.00000040.00001000.00020000.00000000.sdmpJoeSecurity_GuLoader_2Yara detected GuLoaderJoe Security
      00000004.00000002.39282146178.000000001DA11000.00000004.00000800.00020000.00000000.sdmpJoeSecurity_AgentTesla_1Yara detected AgentTeslaJoe Security
        00000004.00000002.39282146178.000000001DA11000.00000004.00000800.00020000.00000000.sdmpJoeSecurity_CredentialStealerYara detected Credential StealerJoe Security
          00000004.00000002.39282146178.000000001DA11000.00000004.00000800.00020000.00000000.sdmpJoeSecurity_TelegramRATYara detected Telegram RATJoe Security
            Click to see the 3 entries
            No Sigma rule has matched
            No Snort rule has matched

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