MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2df3e51954ea1df7ed33355df01412a600f8e23a09b0f0c9c99af13d7f90cebc. 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: 2df3e51954ea1df7ed33355df01412a600f8e23a09b0f0c9c99af13d7f90cebc
SHA3-384 hash: 85b099abf8de9941d003ede53650aae46f9c5601666d11a86f8137fbb6bcaad19240b4cf7026a9ec9d48ca1bdccc007c
SHA1 hash: 497d63284a8ca98b777409a88a527f8a0a0ccefa
MD5 hash: c1316d55e0d0312821f35b03eb1ead46
humanhash: lamp-undress-nuts-alanine
File name:Invoice 20202009.exe
Download: download sample
Signature AgentTesla
File size:548'664 bytes
First seen:2020-08-27 08:48:26 UTC
Last seen:2020-08-27 10:09:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:Ev9I22Y/68kGQRowTaeF9jT4v4W+CSuaphgvuAFgqGbKdc:QJ/6CQRowWe7YazOV/Gb5
Threatray 10'039 similar samples on MalwareBazaar
TLSH AAC45B3735C34428CC348272442CDDC6B721AA8A3B99CB2EB5D7130E9E079AF77A655D
Reporter abuse_ch
Tags:AgentTesla exe MailChannels


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: bactrian.dogwood.relay.mailchannels.net
Sending IP: 23.83.211.9
From: info@bo.de.nixcli.xyz
Subject: Re : Invoice 20202009
Attachment: Invoice 20202009.v.uue (contains "Invoice 20202009.exe")

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

Intelligence


File Origin
# of uploads :
2
# of downloads :
81
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:
100 / 100
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-27 08:50:08 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
agilenet keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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
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 2df3e51954ea1df7ed33355df01412a600f8e23a09b0f0c9c99af13d7f90cebc

(this sample)

  
Delivery method
Distributed via e-mail attachment

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