MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f33e7bde9dcaafa436e0cb2e267371768115ea14de2a9860cefa74af71e9155. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments

SHA256 hash: 3f33e7bde9dcaafa436e0cb2e267371768115ea14de2a9860cefa74af71e9155
SHA3-384 hash: 3f000b13f828e5fcccc5920963d3cee7a58d6bd927bee3489f69ec63623b6ff7e0cd4f6370fdb87bdc45ed2d48412d5d
SHA1 hash: 35e410ca0183d5a026ff6418e82bf722d76b58c2
MD5 hash: acf124579e7f180928628d6b02701dbf
humanhash: diet-early-apart-cat
File name:DOCUMENTS.exe
Download: download sample
Signature AgentTesla
File size:620'544 bytes
First seen:2020-06-11 05:30:11 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 12288:40M08py0KegPSTXvuHVEcJfZ6eg3k8okhcj5LOb9/0MT:40M0oqVE2fZM3zOj5Kl
Threatray 11'109 similar samples on MalwareBazaar
TLSH 61D4D0407695AE4FC36E4DB644672C205B70A5277F17F3839CCB24CA24AEF864B54B8B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: imerys.com
Sending IP: 103.99.1.170
From: Regional Sales Manager - India<Amit.Hazra@imerys.com>
Subject: Shipping Documents against last shipment from China
Attachment: DOCUMENTS.rar (contains "DOCUMENTS.exe")

AgentTesla SMTP exfil server:
mail.microtechlab.in:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
65
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-06-11 05:32:07 UTC
AV detection:
24 of 31 (77.42%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence rezer0 spyware stealer trojan
Behaviour
Creates scheduled task(s)
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Disables Task Manager via registry modification
Drops file in Drivers directory
AgentTesla Payload
rezer0
ServiceHost packer
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 3f33e7bde9dcaafa436e0cb2e267371768115ea14de2a9860cefa74af71e9155

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments