MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd8099db1cfa62c7507e5d163096c9c558b653540cad6f8f0211e12f1f623933. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: fd8099db1cfa62c7507e5d163096c9c558b653540cad6f8f0211e12f1f623933
SHA3-384 hash: d1e17cb18447136f6282e0531826da5079fd851571f563436e806f3c9e3508cd0accef2e2e077c3e6de843154444a88e
SHA1 hash: 0447868b05f68928485fd1addccbaf75f9ad27c9
MD5 hash: f6a0efbffb56449fdc3ad4daa1c73bd4
humanhash: london-south-oscar-oxygen
File name:NO-085866565455 doc.exe
Download: download sample
Signature AgentTesla
File size:1'046'528 bytes
First seen:2020-08-04 10:08:47 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:cftD8HOJrTGBuMq1V5p4wJ8hkdTq8vpy+65DYN7HZdewZWILsYrhLhm4HP:cB8H2GBuJVJZ776Z6WILthE4v
Threatray 10'651 similar samples on MalwareBazaar
TLSH F4256DC2F1449A51C85A4F3A8D23DA9453737D6AEF47D70634C4BE2B78E34C29B26683
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: DS01199VM1.ds01199vm1.hosting24.com.au
Sending IP: 223.27.15.194
From: DHL Services Notification <donotreply@dhi-services.com>
Reply-To: DHL Services Notification <nurdan.ozirneks@gmail.com>
Subject: Your Shipment Just Arrived, Now Ready For Delivery
Attachment: NO-085866565455 (contains "NO-085866565455 doc.exe")

AgentTesla SMTP exfil server:
mail.ketoandaithinhphat.com:587

AgentTesla SMTP exfil email address:
thanhthuy@ketoandaithinhphat.com

Intelligence


File Origin
# of uploads :
1
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Enabling autorun by creating a file
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
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.Spyware.Noon
Status:
Malicious
First seen:
2020-08-04 10:10:08 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
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 fd8099db1cfa62c7507e5d163096c9c558b653540cad6f8f0211e12f1f623933

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments