MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f0bb6576f8d4ca423a9e4fab5901c9e590e07106171045b6c8b548cb01b1017. 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: 3f0bb6576f8d4ca423a9e4fab5901c9e590e07106171045b6c8b548cb01b1017
SHA3-384 hash: 0d812680db3d2341eb567dc611c1beaa85e0cf29ce7ee58d912ea26e9b88de6c80c2c79a6a84fea19893041112dc8971
SHA1 hash: 6696fe5fdde968e93f61fe51f850ab699ee05270
MD5 hash: d3a6d966b8569599c24bddf95feb519f
humanhash: three-diet-avocado-moon
File name:AWB CUSTOM TAX.exe
Download: download sample
Signature AgentTesla
File size:573'952 bytes
First seen:2020-07-16 08:17:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:qpVGh2k4zUQAAIF5dts9w2BOsZnyL7YqkGmopzT1FgPy1HIAgJ2:yVGIAAIndts9ZkOC7YqkG5pzT
Threatray 11'143 similar samples on MalwareBazaar
TLSH F5C48CD83950749EC44E8D764A64DC30A5202C62F7FBE207A3C36E9FB93D697DB141A2
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mata.com
Sending IP: 117.121.213.229
From: DHL COURIER <No_reply@postdhl.com>
Reply-To: No_reply@postdhl.com
Subject: DHL Shipment Notification : 8532967438
Attachment: dhl_doc8532967438.zip (contains "AWB CUSTOM TAX.exe")

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

Intelligence


File Origin
# of uploads :
1
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Using the Windows Management Instrumentation requests
Enabling autorun with Startup directory
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sigma detected: Scheduled temp file as task from temp location
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
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-16 08:19:05 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
spyware keylogger trojan stealer 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 user/profile data of local email clients
Reads data files stored by FTP clients
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 3f0bb6576f8d4ca423a9e4fab5901c9e590e07106171045b6c8b548cb01b1017

(this sample)

  
Delivery method
Distributed via e-mail attachment

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