MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d83429370b6d814b6ff67dd1736424db4e11e39ee745867f09c98f49fae4e1fc. 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: d83429370b6d814b6ff67dd1736424db4e11e39ee745867f09c98f49fae4e1fc
SHA3-384 hash: 72b643467f310522b7b86352a44ac3af7d3c57f426b1157586231618ec91eaa263cfe481c03ccc58f5b75b30e1799bec
SHA1 hash: 7e5b848423bc957f12a25907bafeeef7c97c3966
MD5 hash: 02420e23c994fe9b27f459a0e0cb414a
humanhash: hot-texas-lima-angel
File name:Your new invoice.exe
Download: download sample
Signature AgentTesla
File size:724'992 bytes
First seen:2020-08-03 15:06:06 UTC
Last seen:2020-08-03 16:03:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:mRUUYedAeOQ8YnqnludhxY2BQ2zMY6GF9dEqHMx+BktbTftzLys:eUjG8YnqluvxYP2zbFs6c
Threatray 10'850 similar samples on MalwareBazaar
TLSH 35F4BE6C77A0992AF55A4FBE5E3251029D34F80BA827F38F35F5126C487A39C9C41F62
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: dhl.com
Sending IP: 199.43.204.174
From: DHL MyBill <billing02.support@dhl.com>
Reply-To: DHL MyBill <do-not-reply@dhl.com>
Subject: New DHL Invoice : 573872845
Attachment: New DHL Invoice 573872845.rar (contains "Your new invoice.exe")

AgentTesla SMTP exfil server:
smtp.greenhornechem.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
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
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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:
2020-08-03 13:56:28 UTC
AV detection:
32 of 48 (66.67%)
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 behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email 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 d83429370b6d814b6ff67dd1736424db4e11e39ee745867f09c98f49fae4e1fc

(this sample)

  
Delivery method
Distributed via e-mail attachment

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