MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 72401bf3b38c9ea0fafb14afa9fd35484add4163752be1f7243a9e7d6fa3c7af. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
AgentTesla
Vendor detections: 9
| SHA256 hash: | 72401bf3b38c9ea0fafb14afa9fd35484add4163752be1f7243a9e7d6fa3c7af |
|---|---|
| SHA3-384 hash: | 8cd2c380da0c59f216bd786ee11cf9d94418cdecbe94cb6f757f966a8d4c78def260a242b2b22b82a1f4e8e8f1b86279 |
| SHA1 hash: | bcd3fd9a440b7f9fe7aac9e8317effdb62e0d6eb |
| MD5 hash: | 25515881e276c95513ad7184038ab8a5 |
| humanhash: | tennessee-moon-yellow-happy |
| File name: | 4507707 |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 922'624 bytes |
| First seen: | 2020-09-03 12:01:55 UTC |
| Last seen: | 2020-09-03 12:42:41 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'652 x Formbook, 12'246 x SnakeKeylogger) |
| ssdeep | 6144:7BPYE9q5HSjrkfXgjd16XYiCmUdRbn4ZRW1cTkFXqx7ptGLzHzHocONZcouYJEpX:6E9q5W8tIdmEb0LkMx7pMfHzjdoE |
| Threatray | 60 similar samples on MalwareBazaar |
| TLSH | B815F83A3A854415C53E8A3600A4B9D3AB31F6872A95CB2F75CB075C6F01E9F3F1649E |
| Reporter |  JAMESWT_WT |
| Tags: | AgentTesla |
Intelligence
File Origin
# of uploads :
2
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Ispy
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Creating a window
Creating a file in the %temp% directory
Running batch commands
Launching a process
Creating a file
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates an autostart registry key pointing to binary in C:\Windows
Creates multiple autostart registry keys
Drops PE files to the user root directory
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Detection:
agenttesla
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-09-02 20:47:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
unknown
Similar samples:
+ 50 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
agilenet keylogger stealer persistence spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | Agenttesla_type2 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Agenttesla in memory |
| Reference: | internal research |
| Rule name: | CAP_HookExKeylogger |
|---|---|
| Author: | Brian C. Bell -- @biebsmalwareguy |
| Reference: | https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar |
| Rule name: | win_agent_tesla_g2 |
|---|---|
| Author: | Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de> |
| Rule name: | win_agent_tesla_w1 |
|---|---|
| Author: | govcert_ch |
| Description: | Detect Agent Tesla based on common .NET code sequences |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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