MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b235250a63f86521d4563354e9786a23393e39b634567c1f59a90f232c35027. 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


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: 6b235250a63f86521d4563354e9786a23393e39b634567c1f59a90f232c35027
SHA3-384 hash: 3b0040cc12091b7d2ba920336b1166c33ab3d8da536816c570a5b2bba37470f6ac32d7c9486722c2ec37a5356e8adb45
SHA1 hash: 149cf4ff5623b440b3190e325b8c9748742b18e4
MD5 hash: 825cd8f88b804ca5c7d6d335c89dd63d
humanhash: april-whiskey-hamper-minnesota
File name:Product Inquiry.exe
Download: download sample
Signature AgentTesla
File size:905'728 bytes
First seen:2020-08-04 10:17:30 UTC
Last seen:2020-08-04 13:18:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:lIYxPYVZltWDTe9Yd69L3LpHoioiVuLGFV:lIlVjIXHg9LbpHoioerFV
Threatray 10'615 similar samples on MalwareBazaar
TLSH F415BFC2F5408D50D8294E3B8C3359918F33AC6BEF02D606349CB6596BF76D66A25F83
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

From: Murat Jasni Hernedas <acb@besqrow.com>
Subject: Product Inquiry
Attachment: Product Inquiry.r00 (contains "Product Inquiry.exe")

AgentTesla SMTP exfil server:
smtp.uae-messefrankfurt.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
65
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-04 10:19:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.

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_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.

Malspam

AgentTesla

Executable exe 6b235250a63f86521d4563354e9786a23393e39b634567c1f59a90f232c35027

(this sample)

  
Delivery method
Distributed via e-mail attachment

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