MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66f1141f641be090463b0f797b11f348ba8c34f1fdd2f48f91b76604d9a6c707. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66f1141f641be090463b0f797b11f348ba8c34f1fdd2f48f91b76604d9a6c707
SHA3-384 hash: 4189271d69ca5eb80417d90158ec6d32e36f6cf0579dd6954f622c9ac68d9f37788d92ad3979889434654113ba48774b
SHA1 hash: 8dfe7150d32ca27e19a8d5ebd330fbc41c44c724
MD5 hash: 2e885aac8920e4340565db77870472c1
humanhash: moon-ten-oregon-xray
File name:DOWNLOAD RFQ.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:598'528 bytes
First seen:2020-06-03 12:51:57 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:AtswrGEa96ZJnTleUOEjugjimXcBFECDr6kzIuRVuK:AewaR6nxdOshN5Qr6O
Threatray 10'989 similar samples on MalwareBazaar
TLSH 03D4E10436917E8FC13E4E76946218109BB1E2636F4AF38B6CCB11DE591EBCE4E15B87
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: odysseylogistics.com
Sending IP: 37.49.230.30
From: Dispatch00@odysseylogistics.com
Subject: payment confirmation copy632020
Attachment: payment confirmation copy632020.zip (contains "DOWNLOAD RFQ.exe")

AgentTesla SMTP exfil server:
smtp.bnb-spa.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-03 15:55:24 UTC
AV detection:
18 of 31 (58.06%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=m3yrih3edpqjarr3b54xweptjc5iynhr7xjpjd4rw5tajwngy4dq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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98a835f646602f297b6f5890b9b60390301746f19046a748fc4bc75f60b1d826
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c5168f0c833468a89b13af9b8781c0cfc27ef58b55ccaa1c89deff0658837a52
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AgentTesla
+ 10'979 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-vsb3h454e6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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
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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_g2
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>
Rule name:win_agent_tesla_w1
Create hunting rule
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

zip 5b51ccb33f7c2ac34a09ac9a3df37d32d3cf7980242eca7897d91188b0a4715e

AgentTesla

Executable exe 66f1141f641be090463b0f797b11f348ba8c34f1fdd2f48f91b76604d9a6c707

(this sample)

  
Dropped by
MD5 237d7eda2a4dfe72264ea5a238ab6cb6
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 5b51ccb33f7c2ac34a09ac9a3df37d32d3cf7980242eca7897d91188b0a4715e

Comments