MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 275559f7e9052564ecacedb07b93ea0e552fe3cf4d5b3bbf315e1494efd712e2. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 275559f7e9052564ecacedb07b93ea0e552fe3cf4d5b3bbf315e1494efd712e2
SHA3-384 hash: 1b4c888dc57c20abae8c7aafa977cae7f0ba26d0191527fa5201287102a979751089ce819b97581e6ed7deadab40c031
SHA1 hash: 33d942dbc95f852700add066c8fd2256d6cd614a
MD5 hash: b8b01f6daa3ea76452ee1fd8d1d3338e
humanhash: kilo-bakerloo-shade-coffee
File name:jlZt0Dt5j3Vs8Zk.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:852'480 bytes
First seen:2020-08-31 05:59:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:/CJyadpEKOO57EqYOBAbPj44DRDEiVdCr9fAHQ:Va7ow0j4E72+Q
Threatray 9'465 similar samples on MalwareBazaar
TLSH A305CF2A030DAB2FC82875BD249441DCD1F1AF80EE34F5D8ED9730E565B229DAB9D1C6
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: saganna.net
Sending IP: 37.48.85.204
From: Quotation <quatation@saganna.net>
Subject: REQUISITO DE COTIZACIÓN-REG-PR (660)
Attachment: PO No. 202103678.img (contains "jlZt0Dt5j3Vs8Zk.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/53273/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/454907
Signature
Contains functionality to register a low level keyboard hook
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 279835 Sample: jlZt0Dt5j3Vs8Zk.exe Startdate: 31/08/2020 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Multi AV Scanner detection for dropped file 2->35 37 Sigma detected: Scheduled temp file as task from temp location 2->37 39 7 other signatures 2->39 7 jlZt0Dt5j3Vs8Zk.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\...\XbxslXKQscslL.exe, PE32 7->19 dropped 21 C:\...\XbxslXKQscslL.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp6A82.tmp, XML 7->23 dropped 25 C:\Users\user\...\jlZt0Dt5j3Vs8Zk.exe.log, ASCII 7->25 dropped 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->43 45 Contains functionality to register a low level keyboard hook 7->45 47 Injects a PE file into a foreign processes 7->47 11 jlZt0Dt5j3Vs8Zk.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 smtp.yandex.ru 77.88.21.158, 49718, 587 YANDEXRU Russian Federation 11->27 29 192.168.2.1 unknown unknown 11->29 31 smtp.yandex.com 11->31 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->49 51 Tries to steal Mail credentials (via file access) 11->51 53 Tries to harvest and steal ftp login credentials 11->53 55 2 other signatures 11->55 17 conhost.exe 15->17         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/275559f7e9052564ecacedb07b93ea0e552fe3cf4d5b3bbf315e1494efd712e2/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-30 17:58:38 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=e5kvt57jauswj3fm5wyhxe7kbzks7y6pjvntxpzrlykjj36xclra._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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fdbabd420775b48fa947299b0b606cd83ffe578a64a85dafde748f72c12a11d0
AgentTesla
+ 9'455 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200831-dpgvhsc5ze/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/275559f7e9052564ecacedb07b93ea0e552fe3cf4d5b3bbf315e1494efd712e2

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

img 8851ed12325c92d88475e7272bc2cbde16e47acb9abdb95af0f0412d3bab212d

AgentTesla

Executable exe 275559f7e9052564ecacedb07b93ea0e552fe3cf4d5b3bbf315e1494efd712e2

(this sample)

  
Dropped by
MD5 3bee65b896ce0627a4bcb4221832dbd3
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 8851ed12325c92d88475e7272bc2cbde16e47acb9abdb95af0f0412d3bab212d
Cape
Cape
https://www.capesandbox.com/analysis/53273/

Comments