MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 239a40118ca9473eb4be7f1bcf0fbb00c93b7213926402d93074b2252bc72092. 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: 239a40118ca9473eb4be7f1bcf0fbb00c93b7213926402d93074b2252bc72092
SHA3-384 hash: c8847c258f22e86402ae4da8a5a334b18c68ade03ba231b996546c9e642893051df994159722ced23a3202064c12a07a
SHA1 hash: 8c2646b6727cad3303c346fb954b208cc32cf333
MD5 hash: 4bfd499f0e35af2b603a0ba00d470231
humanhash: purple-beryllium-sad-mississippi
File name:t_fcWhwz.txt.exe
Download: download sample
Signature AgentTesla
File size:390'656 bytes
First seen:2020-08-19 10:48:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:T81yyXXts3f33W5AA7QpqCEihH6NeXr2NwWvhr2SEQ6z:TMPXXtsPmGA7Qsnih8qr2txM
Threatray 10'134 similar samples on MalwareBazaar
TLSH B384299D6B88F902F23D9D3782E1663046B1D1834913D74F6EC48BFD6B427CE690A396
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Setting a keyboard event handler
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
96 / 100
Signature
.NET source code contains potential unpacker
Found malware configuration
Installs a global keyboard hook
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)
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 an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Infostealer.Agensla
Status:
Malicious
First seen:
2020-08-19 03:24:23 UTC
File Type:
PE (.Net Exe)
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer family:agenttesla
Behaviour
AgentTesla Payload
Agenttesla family
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.

  
Delivery method
Other

Comments