MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7d057dd5e8aa5e5562ce9598b6c606009ac7ec9a776edaf2d9ab2bcba347f00d. 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 4 File information Comments

SHA256 hash: 7d057dd5e8aa5e5562ce9598b6c606009ac7ec9a776edaf2d9ab2bcba347f00d
SHA3-384 hash: 0810c7f911d77945e1c14385c405b3348979a5149013b9e1814ec0e9a7d347591efc3d35247987b110f9d32c510db3e5
SHA1 hash: 5097032bc1a36360df386f087a258397ce39a5d8
MD5 hash: 39ba287f46508e5c5ab6f1cf7ada213d
humanhash: network-sweet-bravo-minnesota
File name:SecuriteInfo.com.CAP_HookExKeylogger.8417.17338
Download: download sample
Signature AgentTesla
File size:665'600 bytes
First seen:2020-07-30 18:01:38 UTC
Last seen:2020-08-02 07:32:28 UTC
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:s3F48TZWoChF3Hz4dv3M6WzSBDkO6hKiZ0l1q2GXvM689vFci32sfytz+tyF4:92zBZ1QD0adeT2sfgz+
Threatray 10'719 similar samples on MalwareBazaar
TLSH B0E439383AC6D425DA3E197548A44AD526B0B14B3F02CB2F7ACA0B9C5F437CB7B47256
Reporter SecuriteInfoCom
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
3
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
96 / 100
Signature
.NET source code contains very large array initializations
Contains functionality to register a low level keyboard hook
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.CryptInject
Status:
Malicious
First seen:
2020-07-30 16:16:48 UTC
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_g2
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>
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.

Web download

AgentTesla

Executable exe 7d057dd5e8aa5e5562ce9598b6c606009ac7ec9a776edaf2d9ab2bcba347f00d

(this sample)

  
Delivery method
Distributed via web download

Comments