MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a463f15c830e566292963bf3473b16288e71350e97d84359499fd33b7329a66. 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: 8a463f15c830e566292963bf3473b16288e71350e97d84359499fd33b7329a66
SHA3-384 hash: 9f48fbd0d704723123e8f586c8a50e213a69966669a6747c554eea06a27e9018e2538e53efde5bd90b211f56957c7249
SHA1 hash: 520d29802f32678a4bc0d05e9cb326a0bcb84a3a
MD5 hash: f630ee29c3f395816d72a7b504012db8
humanhash: nitrogen-fix-arkansas-robert
File name:UZO.txt.exe
Download: download sample
Signature AgentTesla
File size:392'192 bytes
First seen:2020-08-28 21:20:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:k84MBwaLfRCJ+7PAQC2dLQXTHd7adl2cB0bcYbm4SSMpisMnjEn6Nt5:D4M/C04R21GT9OdR0vbm4KpisMnjjN
Threatray 10'193 similar samples on MalwareBazaar
TLSH 248429DC2B88F902F23DDD3786E0563042B1D1875A02C74F6EC49BED7A4A7CE654A396
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Reading critical registry keys
Setting a keyboard event handler
Sending a UDP request
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for sample
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)
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.Spyware.Negasteal
Status:
Malicious
First seen:
2020-08-28 21:20:11 UTC
File Type:
PE (.Net Exe)
AV detection:
26 of 29 (89.66%)
Threat level:
  2/5
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