MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9018fc4955a89ca4996540770fb9d7ed349810b9e4f6724ade1be9c6288015ed. 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: 9018fc4955a89ca4996540770fb9d7ed349810b9e4f6724ade1be9c6288015ed
SHA3-384 hash: aa66772a07acc3e36256d48bf0687e52b4e9991d5ee56e132699ab9dea0aca5fcd393ca729ce1ada6317ca75ae95fa39
SHA1 hash: eadbaa5085257c286e87c734a7ff14972e8fecd8
MD5 hash: 3fb4cb29f6380861a446414eb3896dd7
humanhash: wisconsin-five-dakota-robert
File name:PO INOXIA-2020082.exe
Download: download sample
Signature AgentTesla
File size:435'000 bytes
First seen:2020-08-04 15:39:31 UTC
Last seen:2020-08-04 17:11:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:dHAgbCa8sGQTKa36cQ9A+HEo5RULPNKaTv7CkSO7zm5:dHX8kTKNG+koDcTv7CkSO7zm5
Threatray 10'924 similar samples on MalwareBazaar
TLSH DB948C393943C418D93A0A78C878AAC3BA71769A3F45CA1F709B175C9E43A5F7B1305E
Reporter abuse_ch
Tags:AgentTesla exe Yahoo


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: sonic315-20.consmr.mail.ne1.yahoo.com
Sending IP: 66.163.190.146
From: OSTO TRADE & CONSULTING GMBH <alexandy40@yahoo.com>
Reply-To: OSTO TRADE & CONSULTING GMBH <alexandy40@yahoo.com>
Subject: Re: RE: PO INOXIA
Attachment: PO INOXIA-2020082.pdf.uue (contains "PO INOXIA-2020082.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
92 / 100
Signature
.NET source code contains very large array initializations
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Infostealer.Fareit
Status:
Malicious
First seen:
2020-08-04 15:41:05 UTC
AV detection:
34 of 48 (70.83%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
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 9018fc4955a89ca4996540770fb9d7ed349810b9e4f6724ade1be9c6288015ed

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments