MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 581213d231ae5f6bc23058aaebea8653155500aa5625a4fc7f8b8453c57003bd. 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: 581213d231ae5f6bc23058aaebea8653155500aa5625a4fc7f8b8453c57003bd
SHA3-384 hash: 9365f739d31a13f0bda724b763c89c93ddf813cb8bf4bb2682c6ef1ae62d89342d99a85b2200f2ba621476db76a5e6df
SHA1 hash: ad0648a845d3553f516233b9b9294fb361ac6bb5
MD5 hash: 8c73de3b6048ef62f0014fe838e3c866
humanhash: cardinal-steak-september-cola
File name:LISTED URGENT PURCHASE ORDER SHEET pdf.exe
Download: download sample
Signature AgentTesla
File size:884'224 bytes
First seen:2020-08-11 11:17:46 UTC
Last seen:2020-08-11 12:14:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:3qri1Zb2uUPDxLffz58p7sEHynaFbDI8hsiVHIvBoGtcfI45S3O1r5:YCfCDxjfzKNHRFbDI8hB3GWfDs8
Threatray 11'426 similar samples on MalwareBazaar
TLSH 7C15E02D7164D88DC17A1E71CE8FF02003797D6D64A2DF0D3E9B336DA4A2366094A79E
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: beienda.com
Sending IP: 103.133.104.222
From: sales8@beienda.com
Subject: LISTED URGENT PURCHASE ORDER
Attachment: LISTED URGENT PURCHASE ORDER SHEET pdf.rar (contains "LISTED URGENT PURCHASE ORDER SHEET pdf.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
67
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
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
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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
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.AgentTesla
Status:
Malicious
First seen:
2020-08-11 11:19:09 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
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 581213d231ae5f6bc23058aaebea8653155500aa5625a4fc7f8b8453c57003bd

(this sample)

  
Delivery method
Distributed via e-mail attachment

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