MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f7becf0051577e099dabc58faf3e4b8ae442ccf3fb18315a73c9c1feb77607f. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: 5f7becf0051577e099dabc58faf3e4b8ae442ccf3fb18315a73c9c1feb77607f
SHA3-384 hash: 22ce2e4efe4e45b5bafde78ad10558fd2b9efb6e196089d406233ff90995383f8a92a9ab025278c910cbbba08200dd14
SHA1 hash: 017f0656eac5cc91cfbf6e6b8f7644044eb4c472
MD5 hash: dcdbcde7e83f062af2a6e2187addf564
humanhash: salami-west-bakerloo-nine
File name:dcdbcde7e83f062af2a6e2187addf564.exe
Download: download sample
Signature AgentTesla
File size:884'224 bytes
First seen:2020-08-30 08:51:12 UTC
Last seen:2020-08-30 09:51:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'480 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:LhXk790vt2ir/HyHNUFZMfnsiQ/P9BkWIi5cA5SysHOl8kq:La0v42HYUbMfsiQ/P9SWIi/5vsrkq
Threatray 10'601 similar samples on MalwareBazaar
TLSH 381512039B9C69A6CCB1097C773669F221E9CF8561A3C70D9FA5A039643768F71123CE
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for sample
Maps a DLL or memory area into another process
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: RegAsm connects to smtp port
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
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-29 07:06:00 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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.

Comments