MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d09b3d3ddff303f38d76bc615b777169e2d3b672647a6e54bf99490db0efc083. 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: d09b3d3ddff303f38d76bc615b777169e2d3b672647a6e54bf99490db0efc083
SHA3-384 hash: 5daccbf3469d817772a5f7286db28973cff4b68f02cfcc07caaf3fd13ce9691e336ea911f762c6c4694281f84408a565
SHA1 hash: 0b5bc1d7f5bb8f72c9346bb8f347dc9b47eba2fb
MD5 hash: a792b73da8ce29e0dd05d168eba833e2
humanhash: nebraska-batman-speaker-low
File name:Quote-DOC-07192020-239485.exe
Download: download sample
Signature AgentTesla
File size:730'624 bytes
First seen:2020-07-28 13:20:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 20e6d5abed83baa72fa27d4f775f9f3c (7 x AgentTesla, 5 x MassLogger, 1 x QuasarRAT)
ssdeep 12288:JH8TTCvLmK25X5CK7jQMuG6sh8ktgNYoVNXMCNcw+5AdKR3wmWVsXv6qP3:RcojK7LuBl6gNYoVVRGadKu/GXiqP3
Threatray 11'182 similar samples on MalwareBazaar
TLSH 3EF4AE62F2E04933D1671A3C9F1B57A49B3ABE103E2859466BF51C4C4FF938334692A7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: webmail.cyber.net.pk
Sending IP: 203.101.175.37
From: Afnan El-Khatib <hameedentr@cyber.net.pk>
Subject: Request for Quotation: Quote-DOC-07192020-239485
Attachment: Quote-DOC-07192020-239485.pdf.gz (contains "Quote-DOC-07192020-239485.exe")

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

Intelligence


File Origin
# of uploads :
1
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Found malware configuration
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)
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:
Win32.Trojan.DataStealer
Status:
Malicious
First seen:
2020-07-28 13:22:08 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
UPX packed file
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 d09b3d3ddff303f38d76bc615b777169e2d3b672647a6e54bf99490db0efc083

(this sample)

  
Delivery method
Distributed via e-mail attachment

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