MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 245dab3947c242814248eb6b3fa73560d4082082fc536f9d042c7f41ea99e9c4. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: 245dab3947c242814248eb6b3fa73560d4082082fc536f9d042c7f41ea99e9c4
SHA3-384 hash: a84a93185ff9317a88064d2a5540ff8a10a07ccfdbbaf4bee7e1aa66f4cf0ab943ed64cb203627fd5502e627fd482e8e
SHA1 hash: 81aadf114b034d534cf41468a57d72c0513b8c5d
MD5 hash: 1eb47fc33521f1d2048f1f711c2d397e
humanhash: pasta-five-cat-fix
File name:INQUIRY - 1.exe
Download: download sample
Signature AgentTesla
File size:580'096 bytes
First seen:2020-07-29 05:22:09 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:mhgkbsUfMe6CxJrJbWB4uBGpTQdJgKOB2GOy:egmRrbr24uGOiB9
Threatray 10'453 similar samples on MalwareBazaar
TLSH 35C4CF59B690FD1AC3BE8134F2DD5118CEFC8586926BE3157844A7FB16C33A3E8091B6
Reporter abuse_ch
Tags:AgentTesla Endurance exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: qproxy2.mail.unifiedlayer.com
Sending IP: 69.89.16.161
From: Andy Yasuhiko Yoneda <yoneda.yasuhiko@yoneda-shoten.co.jp>
Subject: INQUIRY
Attachment: INQUIRY - 1.gz (contains "INQUIRY - 1.exe")

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

Intelligence


File Origin
# of uploads :
1
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Multi AV Scanner detection for dropped 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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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.Kryptik
Status:
Malicious
First seen:
2020-07-29 05:24:08 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 evasion
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Checks BIOS information in registry
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
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 245dab3947c242814248eb6b3fa73560d4082082fc536f9d042c7f41ea99e9c4

(this sample)

  
Delivery method
Distributed via e-mail attachment

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