MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18660b423ae5a434d0a70081dafd8db7979de182cb8190ff7f22ed12b9fcbe18. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 18660b423ae5a434d0a70081dafd8db7979de182cb8190ff7f22ed12b9fcbe18
SHA3-384 hash: 0c098a91c584d442dc88f0cf50975ca6f35ce19ee6c9f5488a05389bf5539b243db3c4d73014ed13468fed0adf851678
SHA1 hash: f7c14ffb1513a674ff4b7423e66a39204ece6eac
MD5 hash: d7d65a112fc1a3aeba5c33d6630a91f4
humanhash: leopard-venus-four-failed
File name:payment.iso.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:525'824 bytes
First seen:2020-06-02 10:12:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 12288:u7wR2qvJGAUJdkiuHfcAWkYUHHBBBQ/sQCwv5b0USdjY:hgqw/dkiQWoBBSEQzR
Threatray 10'754 similar samples on MalwareBazaar
TLSH 4FB4E0D9722172EFC863D132DD696C78AA52BC7A532B81038017329EDA7D58BCF154F2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: cpns3.citechco.net
Sending IP: 203.191.33.193
From: miraj@virgobposervices.com
Subject: PAYMENT COPY/BANK DETAIL
Attachment: payment.iso.iso (contains "payment.iso.exe")

AgentTesla SMTP exfil server:
mail.pienetwork.co.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.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-02 10:36:52 UTC
AV detection:
28 of 48 (58.33%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dbtawqr24wsdjufhaca5v7mnw6lz3ymczoazb737elwrfop4xyma._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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1a4dea5eadd7dd451ad9a13ba19fce11b26e33e0a730662fb39147ea7f0b94bd
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2e51ce030cc6b516a07506283b3056c047d4f13099f4b0aefc5ed2f6b6c744f1
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38a112ac5ecf5d11e3e4f70fe462ec424bd0aa8c67495ac6744b0bbb8082f5ba
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5e8cafdd210f3325619e1b0c1c874f1e1fa335255882a404f70da229198f4e85
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9bef20b54e2e90ef3afb0cc692ee0a4f5e843f38a3bd75aaee29e506f27d6b32
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b195fee151a6483484e21e537b3c4cc62802ce015048fee3425fb70210e74bd0
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d43d73de0937150cc384283fe5f3a0899c5c0a9e9461d60cb9f18b193554c26a
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dd82b1a2b9f3ce0fae191851be22d38bc8e44d72c12cc3e434c34354c07c0d86
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f15d580cc1e0b17070f7fe48cb8d8a60177e4e8468d5b5f2008e6be5c3a85b42
AgentTesla
+ 10'744 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-spzbwcpxlj/
Behaviour
Creates scheduled task(s)
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
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
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_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

iso 7f928f6e253473ca64290af262bcb54c4fe53b55f7607c981c3151e320e6c1a8

AgentTesla

Executable exe 18660b423ae5a434d0a70081dafd8db7979de182cb8190ff7f22ed12b9fcbe18

(this sample)

  
Dropped by
MD5 840c43fa1a52c2131c5afdcf29e93045
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 7f928f6e253473ca64290af262bcb54c4fe53b55f7607c981c3151e320e6c1a8

Comments