MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d44272fe83f10383b50e8268ffe5f7f70e1c2b355363ccde038172f6a9eb5479. 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: d44272fe83f10383b50e8268ffe5f7f70e1c2b355363ccde038172f6a9eb5479
SHA3-384 hash: 59792a10bc3f2c5ad38bf40a450bf742038b3e60d079de2a183c9e8d401df742230cfc0067e715d6ea2bf172a15f857b
SHA1 hash: b6749766413cdd7a7c6b58bb1d596a6d4478e1a4
MD5 hash: cd53bb5a8efb8397089db59307b51406
humanhash: uranus-football-cup-jersey
File name:PEDIDO#4965832-pdf.exe
Download: download sample
Signature AgentTesla
File size:784'896 bytes
First seen:2020-08-13 14:32:31 UTC
Last seen:2020-08-13 15:54:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:5S1zkkNtheQ3Sr9BnEVLXxhG/WuaJ2fWFTa:4GQInEVLiaJ5
Threatray 9'562 similar samples on MalwareBazaar
TLSH 31F43A2D3AC57819D53D2A3180B5AAD17370B68B3B11CB1F6ADA07DD6F036CB3A4509E
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: linux1537.grserver.gr
Sending IP: 185.138.42.92
From: Penka Tzolova <p.tzolova@qualityintergroup.com>
Reply-To: Penka Tzolova <baeutyslondon@yahoo.com>
Subject: NUEVO PEDIDO (POR FAVOR COTIZAR)
Attachment: PEDIDO4965832-pdf.7z (contains "PEDIDO#4965832-pdf.exe")

AgentTesla FTP exfil server:
ftp.transdealer.cl:21

Intelligence


File Origin
# of uploads :
2
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Sending a UDP request
Creating a file
Creating a process from a recently created file
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
Allocates memory in foreign processes
Injects a PE file into a foreign processes
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect virtualization through RDTSC time measurements
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-13 14:34:07 UTC
AV detection:
22 of 29 (75.86%)
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.

Malspam

AgentTesla

Executable exe d44272fe83f10383b50e8268ffe5f7f70e1c2b355363ccde038172f6a9eb5479

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments