MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b47db9d3513d9c87269f53d0d19a387900a0a8b19da2122b963851589372be7a. 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: b47db9d3513d9c87269f53d0d19a387900a0a8b19da2122b963851589372be7a
SHA3-384 hash: 49b8de4643e41e58c744e59e0d75df91e110f52201efe8c3e434ff7778501beeb34e7d227b91c3b9829b0f2d8c5c23b0
SHA1 hash: 3e346691b8c36eb2de0987558cdcbd578e27b6ec
MD5 hash: 0280d4564b4f61ecb14c8c723f6273b4
humanhash: steak-december-salami-mango
File name:eElectronic Flight Ticket Booking Payment Confirmation XXXX7383929837 Debit BNC9929302.exe
Download: download sample
Signature AgentTesla
File size:1'152'000 bytes
First seen:2020-08-30 06:33:12 UTC
Last seen:2020-08-30 08:12:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:qbqvPFPaCczpZRZ+9g+QutujIRhTkpa7H3k:1PaCc1ZfSWutujI3k
Threatray 10'638 similar samples on MalwareBazaar
TLSH DC357B8E3300779EC857FD3699941C68FAB0B666D71BD287DC1315AC9A0D58BEF180E2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: eggs.gnu.org
Sending IP: 209.51.188.92
From: My Trips <retail@lasfragancias.com>
Subject: Debit Confirmation Notice -Flight Booking
Attachment: eElectronic Flight Ticket Booking Payment Confirmation XXXX7383929837 Debit BNC9929302.xz (contains "eElectronic Flight Ticket Booking Payment Confirmation XXXX7383929837 Debit BNC9929302.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
85
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
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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: Capture Wi-Fi password
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 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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 279591 Sample: eElectronic Flight Ticket B... Startdate: 30/08/2020 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Sigma detected: Capture Wi-Fi password 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 9 other signatures 2->51 8 eElectronic Flight Ticket Booking Payment Confirmation XXXX7383929837 Debit BNC9929302.exe 3 2->8         started        12 IYLZX5.exe 2 2->12         started        14 IYLZX5.exe 3 2->14         started        process3 file4 41 eElectronic Flight... BNC9929302.exe.log, ASCII 8->41 dropped 67 Injects a PE file into a foreign processes 8->67 16 eElectronic Flight Ticket Booking Payment Confirmation XXXX7383929837 Debit BNC9929302.exe 17 6 8->16         started        21 eElectronic Flight Ticket Booking Payment Confirmation XXXX7383929837 Debit BNC9929302.exe 8->21         started        23 IYLZX5.exe 3 12->23         started        69 Multi AV Scanner detection for dropped file 14->69 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->71 73 Machine Learning detection for dropped file 14->73 75 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 14->75 25 IYLZX5.exe 2 14->25         started        27 IYLZX5.exe 14->27         started        signatures5 process6 dnsIp7 43 ftp.rebu.co.rw 104.247.74.6, 21, 32491, 32590 IMH-WESTUS United States 16->43 37 C:\Users\user\AppData\Roaming\...\IYLZX5.exe, PE32 16->37 dropped 39 C:\Users\user\...\IYLZX5.exe:Zone.Identifier, ASCII 16->39 dropped 53 Tries to harvest and steal WLAN passwords 16->53 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->55 57 Installs a global keyboard hook 16->57 29 netsh.exe 3 16->29         started        59 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->59 61 Tries to steal Mail credentials (via file access) 23->61 63 Tries to harvest and steal ftp login credentials 23->63 65 Tries to harvest and steal browser information (history, passwords, etc) 23->65 31 netsh.exe 23->31         started        file8 signatures9 process10 process11 33 conhost.exe 29->33         started        35 conhost.exe 31->35         started       
Threat name:
ByteCode-MSIL.Trojan.Sudloader
Status:
Malicious
First seen:
2020-08-29 17:37:33 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Drops file in Windows directory
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
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 b47db9d3513d9c87269f53d0d19a387900a0a8b19da2122b963851589372be7a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments