MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0239e6b1f17ada8657c6c66068da875641fd244d3586b9e16c5dc5d2208917f3. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: 0239e6b1f17ada8657c6c66068da875641fd244d3586b9e16c5dc5d2208917f3
SHA3-384 hash: 7d0d7f18cdce74b67b5694702373b07f9c0ca8b1f338edfe86e8f7e1c8fe5b79531ac2564c48e644898370630342fb78
SHA1 hash: f3ac996f6cca1e21a6993cdbd2711f01bd39803f
MD5 hash: e72869ffdbb61adb38fc0d7b96113fdf
humanhash: robin-glucose-emma-johnny
File name:Untitle00000002344.exe
Download: download sample
Signature AgentTesla
File size:582'144 bytes
First seen:2020-08-31 10:46:38 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:F8wXpi6hoRlgN+EeylKiTt2jnj2q4P49P2GhKYiwKom/C5fGoBJJDiDC60hp7o6N:kMCSMyzhQjZ4P49+GMF5oXl
Threatray 10'602 similar samples on MalwareBazaar
TLSH 4BC42322225D8397EEE90EF2140E7A6493A1DC93955EEAEC34D973D646F83E40332D17
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: smtp2.dwb.hu
Sending IP: 62.77.254.2
From: boltek@incomp.hu
Subject: Advance payment - Delivery
Attachment: Untitle00000002344.zip (contains "Untitle00000002344.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Found malware configuration
Injects a PE file into a foreign processes
Modifies the hosts file
Multi AV Scanner detection for dropped file
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: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 280007 Sample: Untitle00000002344.exe Startdate: 31/08/2020 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Found malware configuration 2->39 41 Multi AV Scanner detection for dropped file 2->41 43 7 other signatures 2->43 8 Untitle00000002344.exe 4 2->8         started        process3 file4 25 C:\Users\user\AppData\Roaming\pWbaTmlZq.exe, PE32 8->25 dropped 27 C:\Users\user\AppData\Local\...\tmp364D.tmp, XML 8->27 dropped 29 C:\Users\user\...\Untitle00000002344.exe.log, ASCII 8->29 dropped 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->45 47 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->47 49 Injects a PE file into a foreign processes 8->49 12 Untitle00000002344.exe 2 8->12         started        17 schtasks.exe 1 8->17         started        signatures5 process6 dnsIp7 33 leffamatrizes.com.br 187.108.197.203, 49728, 587 EVEOServicosdeInternetLtdaBR Brazil 12->33 35 mail.leffamatrizes.com.br 12->35 31 C:\Windows\System32\drivers\etc\hosts, ASCII 12->31 dropped 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->51 53 Tries to steal Mail credentials (via file access) 12->53 55 Tries to harvest and steal ftp login credentials 12->55 57 2 other signatures 12->57 19 reg.exe 1 12->19         started        21 conhost.exe 17->21         started        file8 signatures9 process10 process11 23 conhost.exe 19->23         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-31 03:40:41 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Creates scheduled task(s)
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
Drops file in Drivers directory
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 0239e6b1f17ada8657c6c66068da875641fd244d3586b9e16c5dc5d2208917f3

(this sample)

  
Delivery method
Distributed via e-mail attachment

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