MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4fdfd3c5845ef7a537230b46564c1c81c139194f36097ce0b97b02e8a118dbc. 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: c4fdfd3c5845ef7a537230b46564c1c81c139194f36097ce0b97b02e8a118dbc
SHA3-384 hash: b831b794236e1d1d02bee08a6359beac54e9323abbd7b46c49a3afa6d340e5d2c7bc5f133925f00daa3b8191d0f70ae1
SHA1 hash: 6679c0ea350037f6cdee2e1265c77722bf936304
MD5 hash: 69204a173d4450c4e4f1b5f30e8a0ed0
humanhash: kentucky-pasta-saturn-oscar
File name:Halkbank_Ekstre_202004 2020.exe
Download: download sample
Signature AgentTesla
File size:487'424 bytes
First seen:2020-05-07 11:00:11 UTC
Last seen:2020-05-07 12:01:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:XGfDJEnzgpiCwkil0AScCYPyAERFWTxrvUFlSGRjsHag4kvNI47j6mFGw:0JEnzeviuujPQRgTxDUFlr
Threatray 10'617 similar samples on MalwareBazaar
TLSH 29A4397D79A472AFC837C576CFD85C74F650B4BB630B8623905312999A0E887DF810BA
Reporter abuse_ch
Tags:AgentTesla exe geo Halkbank TUR


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: server.elmasgrafik.com
Sending IP: 185.48.182.122
From: HALKBANK E-EKSTRE <halkbank.e-ekstre@halkbank.com.tr>
Reply-To: noreply@ileti.isbank.com.tr
Subject: İş Bankası-05.05.2020-07.05.202\x0a\x090 -2220-0---252 Numaralı Vadesiz Hesap - TL Özeti.
Attachment: Halkbank_Ekstre_202004 2020.z (contains "Halkbank_Ekstre_202004 2020.exe")

AgentTesla SMTP exfil server:
smtp.ionos.mx:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Noon
Status:
Malicious
First seen:
2020-05-07 11:39:05 UTC
File Type:
PE (.Net Exe)
AV detection:
28 of 31 (90.32%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
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 c4fdfd3c5845ef7a537230b46564c1c81c139194f36097ce0b97b02e8a118dbc

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments