MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 14043b9034e7d63abb197025a2a2c9ea0e762c14d18fc9fb636bff6f0d31a122. 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: 14043b9034e7d63abb197025a2a2c9ea0e762c14d18fc9fb636bff6f0d31a122
SHA3-384 hash: 9487f690220bf4e450f0b7d40cfc1cc905c4066f4a77213119f7b37bf0fd7408496d8516c2e30a43b418ab11662c72ba
SHA1 hash: 1525bdb836cf29209be16748068e8d5737504b96
MD5 hash: c0513bea56d34d3ba9386b3360f05c7f
humanhash: mars-steak-connecticut-coffee
File name:Shiping Receiptst.pdf.exe
Download: download sample
Signature AgentTesla
File size:848'896 bytes
First seen:2020-08-04 06:25:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:mgNHcPgYxmOE+2Do4pPeRH89fhF8zDttXhqNelh42vD9dzRY2RtTTVPR:sIYxPeVZlH2fttXhqNeT42vx02vHVPR
Threatray 10'761 similar samples on MalwareBazaar
TLSH B505BFC6F5408E51DC29493B8D3349924B33AC6BEF429606349CB6257BF32D66A35F83
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: dhl.com
Sending IP: 156.96.119.28
From: paola.alberici@dhl.com
Reply-To: paola.alberici@dhl.com
Subject: shipping document and receipt
Attachment: Shiping Receiptst.pdf.zip (contains "Shiping Receiptst.pdf.exe")

AgentTesla SMTP exfil server:
mail.cosur.pe:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
67
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
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
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Moves itself to temp directory
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
Sigma detected: Suspicious Double Extension
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 an obfuscated file name to hide its real file extension (double extension)
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:
2020-08-04 01:05:00 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla evasion
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: RenamesItself
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Maps connected drives based on registry
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Checks BIOS information in registry
Reads data files stored by FTP clients
Looks for VMWare Tools registry key
AgentTesla Payload
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 14043b9034e7d63abb197025a2a2c9ea0e762c14d18fc9fb636bff6f0d31a122

(this sample)

  
Delivery method
Distributed via e-mail attachment

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