MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 720aa2910e6e575ee4b6429e3290dd27a116f407f567614ce242c63c9d83cd8b. 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: 720aa2910e6e575ee4b6429e3290dd27a116f407f567614ce242c63c9d83cd8b
SHA3-384 hash: 3f208419d627007a365f188bd1401628511af67d44394101a9da5d1ab92f4aff6db3bcaff21d5d5e2acecec03875b523
SHA1 hash: 4d7f4beba3d539ed9bcd6e4194efbe174e7e3b0a
MD5 hash: 25491aa4ed5e9055818db03f8a3dadbc
humanhash: carpet-summer-xray-alanine
File name:scanned document.exe
Download: download sample
Signature AgentTesla
File size:595'968 bytes
First seen:2020-08-11 14:27:38 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:oiSclvUeuqxLf8ZfvdBiLFIO1csAlT9Z1SaexvG0t:XUVqxj8xvb4vcsAlhZstRGI
Threatray 10'829 similar samples on MalwareBazaar
TLSH B7C4F15663C49F46D43E8B78C361151507F7E95BAB28EF0A7FC712DC0A62BB28B61603
Reporter abuse_ch
Tags:AgentTesla exe Hostwinds


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: hwsrv-758870.hostwindsdns.com
Sending IP: 104.168.202.183
From: Robert Chen-ZHENFU MEDICAL <info@aronqino.com>
Subject: Re: Payment advice $ 21,309.05
Attachment: scanned document.rar (contains "scanned document.exe")

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

Intelligence


File Origin
# of uploads :
1
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
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)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-11 14:29:05 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
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.

f81dca8fad7fe646654b16f1462a0551

AgentTesla

Executable exe 720aa2910e6e575ee4b6429e3290dd27a116f407f567614ce242c63c9d83cd8b

(this sample)

  
Dropped by
MD5 f81dca8fad7fe646654b16f1462a0551
  
Delivery method
Distributed via e-mail attachment

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