MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3bfc6f40176d8546ae975991ee2fb59980cac07fecbfb273b2a8b51b33a3713. 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: 4


Intelligence 4 IOCs YARA 3 File information Comments

SHA256 hash: e3bfc6f40176d8546ae975991ee2fb59980cac07fecbfb273b2a8b51b33a3713
SHA3-384 hash: b787eeeeb4254774a8d1501beca8f6282a4c8dacf360268e3728547a27f72c35fc8a8b17c54a4d1a8ed1ef82e243924a
SHA1 hash: 67b7b2685785e13d74b8e8c880a563cd2f7bb620
MD5 hash: e0bf473f651b68f3bb6efc6cc0cbbd74
humanhash: muppet-delaware-summer-iowa
File name:doc 20200528__0010019391001011.xlsx.exe
Download: download sample
Signature AgentTesla
File size:471'040 bytes
First seen:2020-05-28 12:48:19 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:W1MK52P6R+WPRVyfzrkLlcwwQpVB5BmwFVNS2r6LQHLdMQK:FP6R+WPRVy7rkLOwwMVBnp1rJrdMN
Threatray 10'564 similar samples on MalwareBazaar
TLSH 6BA4F151235D8F37ECBE4BFE4451114853F8406B7952F38CACD6A1EB26BAF464920BA3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: floridaproducts.com.ar
Sending IP: 156.96.62.213
From: Marcelo Estevez <import@floridaproducts.com.ar>
Subject: inqiury for quotation#/200528
Attachment: doc 20200528__0010019391001011.xlsx.r00 (contains "doc 20200528__0010019391001011.xlsx.exe")

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

Intelligence


File Origin
# of uploads :
1
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Agensla
Status:
Malicious
First seen:
2020-05-28 13:38:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
16 of 29 (55.17%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla coreentity keylogger persistence rezer0 spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
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
Drops file in Drivers directory
AgentTesla Payload
rezer0
AgentTesla
CoreEntity .NET Packer
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 e3bfc6f40176d8546ae975991ee2fb59980cac07fecbfb273b2a8b51b33a3713

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments