MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b4fbcacc1b3bc337a2c67318ff72d21f2c286c00472a8cb3c49bb0d19c2507a. 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: 5b4fbcacc1b3bc337a2c67318ff72d21f2c286c00472a8cb3c49bb0d19c2507a
SHA3-384 hash: 6e99a582cd8bb34f6326712b38a989eb9043351c1153a20833d73e7299e1a3cd9ba7d0fb530fa19ea5db9f82d06209d0
SHA1 hash: 6f68935e85bd6279a5f1237232106aaed6d4bf23
MD5 hash: 337fd88445bea50eb25b817b8528605b
humanhash: wolfram-lactose-india-delta
File name:DHL_07082020_AWN_07082020_INV_07082020.exe
Download: download sample
Signature AgentTesla
File size:723'456 bytes
First seen:2020-08-10 09:57:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:4euQxLfjgMQtQ78YgQ8dNzvH9hyWDfAGc302mj/y:4Uxjj+Q785NzPDzSk3/
Threatray 11'095 similar samples on MalwareBazaar
TLSH F5F48D5C9D6C0D16DE1427B78118A81E22A9AD16BBF1E5DF3F96314B43BDBF043B0229
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

From: noreply@dhl.com
Subject: DHL Express Shipment Confirmation
Attachment: DHL_07082020_AWN_07082020_INV_07082020.img (contains "DHL_07082020_AWN_07082020_INV_07082020.exe")

AgentTesla SMTP exfil server:
smtp.knmbz.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
74
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
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Found malware configuration
Injects a PE file into a foreign processes
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)
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)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-10 06:17:17 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
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 5b4fbcacc1b3bc337a2c67318ff72d21f2c286c00472a8cb3c49bb0d19c2507a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments