MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6aaa864e402f7233d8682cb17f374e6dc6d70c9e73a943ba322df717af320aaf. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments

SHA256 hash: 6aaa864e402f7233d8682cb17f374e6dc6d70c9e73a943ba322df717af320aaf
SHA3-384 hash: a3632134fa653bb90daa875881f6c8a562f0246cc951f3cd919fb1259bc0ead20e207e1bfcdee863c221c4e55f0fb586
SHA1 hash: 34e71748e6256c5f81b536a94559f31b0e03ba48
MD5 hash: fd0afe00ccea3c7881925a692da859ff
humanhash: chicken-fish-nuts-sink
File name:HALKBANK.exe
Download: download sample
Signature AgentTesla
File size:735'744 bytes
First seen:2020-06-23 14:18:09 UTC
Last seen:2020-06-23 15:21:19 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 6144:FKxo2aojboShWF6xZmNmzGt5rsmv5HsgBqpdWOrFQ/7ACHh7tkFqApgKyQ4OT8:FFojp6xBVnH37EaKyQ4j
Threatray 10'723 similar samples on MalwareBazaar
TLSH 37F45B2E3641740DD63D4632449959D0A771A5873B03C70F7ACBABACAF027CB7F4929A
Reporter abuse_ch
Tags:AgentTesla exe geo Halkbank TUR


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: halkbank.com.tr
Sending IP: 45.11.19.224
From: T. HALK BANKASI<EKSTRE@halkbank.com.tr>
Reply-To: T. HALK BANKASI<EKSTRE@halkbank.com.tr>
Subject: T.HALK BANKASI A.S. 23.06.2020 Hesap Ekstresi
Attachment: HALKBANK.zip (contains "HALKBANK.exe")

AgentTesla SMTP exfil server:
mail.bunsadokum.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
95
Origin country :
n/a
Vendor Threat Intelligence
Threat name:
ByteCode-MSIL.Trojan.Skeeyah
Status:
Malicious
First seen:
2020-06-23 11:50:04 UTC
AV detection:
22 of 31 (70.97%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:agenttesla persistence
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Adds Run entry to start application
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Executes dropped EXE
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.

8dda7658ff7ccfd193ec3c6df7eb7ec0

AgentTesla

Executable exe 6aaa864e402f7233d8682cb17f374e6dc6d70c9e73a943ba322df717af320aaf

(this sample)

  
Dropped by
MD5 8dda7658ff7ccfd193ec3c6df7eb7ec0
  
Delivery method
Distributed via e-mail attachment

Comments