Windows Analysis Report
SecuriteInfo.com.Win32.PWSX-gen.31738.17793.exe

Overview

General Information

Sample name:	SecuriteInfo.com.Win32.PWSX-gen.31738.17793.exe
Analysis ID:	1545509
MD5:	34f978912d45ce5df9309990ecfb0232
SHA1:	05505050b157f8fe6da04a06484835f75c8f0bdc
SHA256:	89456271970de32ecdfadbfada5c9ef76d75cc3b2fd7bf0b36c1cf14167117fd
Tags:	exe
Infos:

Detection

AgentTesla

Score:	100
Range:	0 - 100
Whitelisted:	false
Confidence:	100%

Signatures

Antivirus / Scanner detection for submitted sample

Found malware configuration

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Suricata IDS alerts for network traffic

Yara detected AgentTesla

Yara detected Telegram RAT

.NET source code contains potential unpacker

.NET source code contains very large strings

AI detected suspicious sample

Allocates memory in foreign processes

Contains functionality to log keystrokes (.Net Source)

Injects a PE file into a foreign processes

Installs a global keyboard hook

Machine Learning detection for sample

Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)

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 / registry access)

Uses the Telegram API (likely for C&C communication)

Writes to foreign memory regions

Abnormal high CPU Usage

Allocates memory with a write watch (potentially for evading sandboxes)

Contains long sleeps (>= 3 min)

Creates a process in suspended mode (likely to inject code)

Creates a window with clipboard capturing capabilities

Detected potential crypto function

Enables debug privileges

Found a high number of Window / User specific system calls (may be a loop to detect user behavior)

HTTP GET or POST without a user agent

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 check the online IP address of the machine

May sleep (evasive loops) to hinder dynamic analysis

Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)

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

Sample file is different than original file name gathered from version info

Uses 32bit PE files

Uses a known web browser user agent for HTTP communication

Uses code obfuscation techniques (call, push, ret)

Yara detected Credential Stealer

Yara signature match

Classification

Malware Threat Intel
Provided by

Name	Description	Attribution	Blogpost URLs	Link
Agent Tesla, AgentTesla	A .NET based information stealer readily available to actors due to leaked builders. The malware is able to log keystrokes, can access the host's clipboard and crawls the disk for credentials or other valuable information. It has the capability to send information back to its C&C via HTTP(S), SMTP, FTP, or towards a Telegram channel.	SWEED	http://blog.nsfocus.net/sweed-611/ http://l1v1ngc0d3.wordpress.com/2021/11/12/agenttesla-dropped-via-nsis-installer/ http://ropgadget.com/posts/originlogger.html http://www.secureworks.com/research/threat-profiles/gold-galleon https://0xmrmagnezi.github.io/malware%20analysis/AgentTesla/	https://malpedia.caad.fkie.fraunhofer.de/details/win.agent_tesla