MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 50946bb2be1a9fb71dfd068710893588bfcbeacdf2cde3e0270c2f6487594a99. 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: 50946bb2be1a9fb71dfd068710893588bfcbeacdf2cde3e0270c2f6487594a99
SHA3-384 hash: b86cbda7bffde7569c7784e06ee917595c291127e95cd3e675b69f5a6c15cc0cef4d9a2b90e3fb028dc8c7c1723a9f57
SHA1 hash: a211c296e7377578045efd143a5ca4ad9dca812b
MD5 hash: 47e8d6bd8436211d173515806ba8baed
humanhash: monkey-finch-kansas-july
File name:Notification.exe
Download: download sample
Signature AgentTesla
File size:673'792 bytes
First seen:2020-08-19 11:54:15 UTC
Last seen:2020-08-19 12:45:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:3ec0KCB+Hn/V6wOsyhHGWuHWK9/k2I404nhPDve2oP0ahN6YJH:uS4+H/EM0HGn2+xJrve2QDN6Y
Threatray 9'398 similar samples on MalwareBazaar
TLSH 08E4222167ECBB7CD93CABFD5211001593F5D282E733DFB63E88418E5526F2182A2796
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: ca.casterweb.live
Sending IP: 45.95.171.3
From: Abdal Ghany Alaalden Al-Hassani <abdalghany@grofin.com>
Reply-To: Abdal Ghany Alaalden Al-Hassani <info@casterweb.live>
Subject: SWIFT payment
Attachment: Notification.gz (contains "Notification.exe")

AgentTesla SMTP exfil server:
smtp.imp-powers.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Binary contains a suspicious time stamp
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 271409 Sample: Notification.exe Startdate: 20/08/2020 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Sigma detected: Scheduled temp file as task from temp location 2->35 37 Yara detected AgentTesla 2->37 39 7 other signatures 2->39 7 Notification.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\...\fBNCKwgOBEv.exe, PE32 7->19 dropped 21 C:\Users\...\fBNCKwgOBEv.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmpF40A.tmp, XML 7->23 dropped 25 C:\Users\user\...25otification.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 Injects a PE file into a foreign processes 7->45 11 Notification.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 smtp.imp-powers.com 11->27 29 smtp.mailhostbox.com 162.222.225.57, 49747, 587 PUBLIC-DOMAIN-REGISTRYUS United States 11->29 31 192.168.2.1 unknown unknown 11->31 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->47 49 Tries to steal Mail credentials (via file access) 11->49 51 Tries to harvest and steal ftp login credentials 11->51 53 Tries to harvest and steal browser information (history, passwords, etc) 11->53 17 conhost.exe 15->17         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Sudloader
Status:
Malicious
First seen:
2020-08-19 02:59:31 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Creates scheduled task(s)
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
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 50946bb2be1a9fb71dfd068710893588bfcbeacdf2cde3e0270c2f6487594a99

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments