MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13e139bbe178716bcb38916a53a04942c863890ba52aaec6d669eb902e1fb9f6. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 13e139bbe178716bcb38916a53a04942c863890ba52aaec6d669eb902e1fb9f6
SHA3-384 hash: 53cf08e48dc78ba711bca1ce5ef0eec4360938266f82fcba97742708fa75fb0f864d2dc0c9748469ae2d18a427347b28
SHA1 hash: e670e96d6e9d2b5395f8b0bba7fe847af19281e6
MD5 hash: 9e22afa17127f56cb2507841e894c6b8
humanhash: whiskey-virginia-solar-robert
File name:Halkbank_Ekstre_20200525_080247_232393,pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:429'568 bytes
First seen:2020-05-25 14:12:09 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:RTQAhCZIRyCApX4Ejxaf56EWt+oJ7/NFAszKR:VRyCApX4Qaf56EWUoJ7VCsza
Threatray 10'642 similar samples on MalwareBazaar
TLSH F594133D76BD2F1FDFDB01BBA0114300F3B2D9AD50E6F39A8D40A57849A73A4914A297
Reporter abuse_ch
Tags:AgentTesla exe geo Halkbank TUR


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: halkbank.com.tr
Sending IP: 193.29.187.182
From: halkbank.e-ekstre@halkbank.com.tr
Subject: T.HALK BANKASI A.Ş. 24.05.2020 Hesap Ekstresi
Attachment: Halkbank_Ekstre_20200525_080247_232393,pdf.r00 (contains "Halkbank_Ekstre_20200525_080247_232393,pdf.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-25 14:29:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 31 (58.06%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'632 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-vm8nbwjs7e/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
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
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

r00 840ef691e27b7b6f0333bef1db2b315790280baf949b74119394647af9e2a386

AgentTesla

Executable exe 13e139bbe178716bcb38916a53a04942c863890ba52aaec6d669eb902e1fb9f6

(this sample)

  
Dropped by
MD5 d835ed2f7eefafc551be2e925cc043e3
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 840ef691e27b7b6f0333bef1db2b315790280baf949b74119394647af9e2a386

Comments