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Windows
Analysis Report
arinzezx.exe
Overview
General Information
| Sample Name: | arinzezx.exe |
| Analysis ID: | 694556 |
| MD5: | 314c678d85f7927a42f34797627532e1 |
| SHA1: | 1a1695ee1411cc14754cc92e14a6243ee7af81d1 |
| SHA256: | e5b9cc21b8de77e68e03e202609511b8b57d1ea278d6cd0fe0b7fb454f1d7432 |
| Tags: | exe |
| Infos: |  |
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Detection
AgentTesla
| Score: | 100 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 100% |
Signatures
Malicious sample detected (through community Yara rule)
Yara detected AgentTesla
Yara detected AntiVM3
Installs a global keyboard hook
Tries to steal Mail credentials (via file / registry access)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Machine Learning detection for sample
Injects a PE file into a foreign processes
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
Yara signature match
Antivirus or Machine Learning detection for unpacked file
May sleep (evasive loops) to hinder dynamic analysis
Detected potential crypto function
Yara detected Credential Stealer
JA3 SSL client fingerprint seen in connection with other malware
IP address seen in connection with other malware
Contains long sleeps (>= 3 min)
Enables debug privileges
Creates a DirectInput object (often for capturing keystrokes)
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Sample file is different than original file name gathered from version info
Uses a known web browser user agent for HTTP communication
Detected TCP or UDP traffic on non-standard ports
Uses SMTP (mail sending)
Creates a window with clipboard capturing capabilities
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
Creates a process in suspended mode (likely to inject code)
Classification
- System is w10x64
arinzezx.exe (PID: 6600 cmdline: "C:\Users\ user\Deskt op\arinzez x.exe" MD5: 314C678D85F7927A42F34797627532E1) - arinzezx.exe (PID: 6964 cmdline:
C:\Users\u ser\Deskto p\arinzezx .exe MD5: 314C678D85F7927A42F34797627532E1) - arinzezx.exe (PID: 6976 cmdline:
C:\Users\u ser\Deskto p\arinzezx .exe MD5: 314C678D85F7927A42F34797627532E1)
- cleanup
{"Exfil Mode": "SMTP", "Username": "arinzelog@steuler-kch.org", "Password": "7213575aceACE@#$", "Host": "cp5ua.hyperhost.ua"}| Source | Rule | Description | Author | Strings |
|---|---|---|---|---|
| JoeSecurity_AgentTesla_1 | Yara detected AgentTesla | Joe Security | ||
| JoeSecurity_AgentTesla_2 | Yara detected AgentTesla | Joe Security | ||
| Windows_Trojan_AgentTesla_d3ac2b2f | unknown | unknown |
| |
| JoeSecurity_AntiVM_3 | Yara detected AntiVM_3 | Joe Security | ||
| JoeSecurity_AgentTesla_1 | Yara detected AgentTesla | Joe Security | ||
| Click to see the 10 entries | ||||
| Source | Rule | Description | Author | Strings |
|---|---|---|---|---|
| JoeSecurity_AgentTesla_1 | Yara detected AgentTesla | Joe Security | ||
| JoeSecurity_AgentTesla_2 | Yara detected AgentTesla | Joe Security | ||
| MALWARE_Win_AgentTeslaV3 | AgentTeslaV3 infostealer payload | ditekSHen |
| |
| Windows_Trojan_AgentTesla_d3ac2b2f | unknown | unknown |
| |
| JoeSecurity_AgentTesla_1 | Yara detected AgentTesla | Joe Security |