MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e18d37b3a81eaaaeacc8d9ed4e2f77df445d58c49cfabbcdea1599fd9d2cfc5. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: 4e18d37b3a81eaaaeacc8d9ed4e2f77df445d58c49cfabbcdea1599fd9d2cfc5
SHA3-384 hash: deb8542207647c9865df6410163343d18305147ebe694975a5a78dc03a7fcc21f4d9f093f68322bf3daa66fcc60d1710
SHA1 hash: 553f6cc1f67e7efb5f7ba75cfef870595aa4c8a1
MD5 hash: 133d1f6971bbded2a449c6694860a73f
humanhash: angel-michigan-lima-red
File name:Ticari Hesap Özetiniz.exe
Download: download sample
Signature AgentTesla
File size:623'616 bytes
First seen:2020-08-28 06:42:15 UTC
Last seen:Never
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:xXqqhU1M4LNHIW5Eux2uwy44zHBkUZADZTkE1osD2+rG0pGG+tX:xXjAJHWtazHBwtBtS8GH
Threatray 10'641 similar samples on MalwareBazaar
TLSH C3D423293CBCCF6BCEE01FFC242D749443B1A510DE77C6594E4A60EA39A3F48991499B
Reporter abuse_ch
Tags:AgentTesla Akbank exe geo TUR


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: vps-ingenio.localdomain
Sending IP: 91.134.155.173
From: Akbank Ticari Bankacılık <ticaribankacilik@bilgi.akbank.com>
Subject: AĞUSTOS 2020 Ticari Hesap Özetiniz (Ref:1353878463)
Attachment: Ticari Hesap Özetiniz.rar (contains "Ticari Hesap Özetiniz.exe")

AgentTesla SMTP exfil server:
mail.pkstyles.pk:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
95
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Launching the process to change network settings
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Capture Wi-Fi password
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to harvest and steal WLAN passwords
Tries to steal Mail credentials (via file access)
Uses netsh to modify the Windows network and firewall settings
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Sudloader
Status:
Malicious
First seen:
2020-08-28 06:44:08 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware persistence trojan family:agenttesla
Behaviour
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 4e18d37b3a81eaaaeacc8d9ed4e2f77df445d58c49cfabbcdea1599fd9d2cfc5

(this sample)

  
Delivery method
Distributed via e-mail attachment

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