MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b54f1e06ebd6f64d1eb8bf51ae256b530b19768b82d75d70b5782e9398a30705. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments

SHA256 hash: b54f1e06ebd6f64d1eb8bf51ae256b530b19768b82d75d70b5782e9398a30705
SHA3-384 hash: 6e6e64791578aa7ef40021c3a17fd411d509f5ccc702a1351a113319e835b203748bb396219912547ddb59befb2ff803
SHA1 hash: c9f56febc63a228ddb48f23c0a2f906ef163c154
MD5 hash: 566eda0440f5881c08c7b647f9634c26
humanhash: indigo-xray-nebraska-floor
File name:uBkLLhZDPhWdwJg.exe
Download: download sample
Signature AgentTesla
File size:519'680 bytes
First seen:2020-06-25 12:05:07 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 12288:kPP1HCzA6doC2KMkR8MpmVdM5btwtXwnN:GFCDF2tkdmVOvwtXwN
Threatray 10'769 similar samples on MalwareBazaar
TLSH E4B4F11813589F59E6BC4779E0F1242983B99503620BFB6A5EC574FC3DE33E2890A367
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: gateway31.websitewelcome.com
Sending IP: 192.185.143.234
From: sales@kiharasweetpepperfarm.com
Subject: Order Inquiry
Attachment: Order Inquiry.rar (contains "uBkLLhZDPhWdwJg.exe")

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

Intelligence


File Origin
# of uploads :
1
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-06-25 13:53:21 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:agenttesla persistence
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Adds Run entry to start application
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
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 b54f1e06ebd6f64d1eb8bf51ae256b530b19768b82d75d70b5782e9398a30705

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments