MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0f263962c238b4055e7314a1be8a1d4b9f2c929da4806257ffe0c4a9d8c313ad. 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: 0f263962c238b4055e7314a1be8a1d4b9f2c929da4806257ffe0c4a9d8c313ad
SHA3-384 hash: 6654ea01bc2656f4af64d377dca3f316ac9c66daadc4df09fcf0cee8bfe6ae56d36052636d744bf4dde1442bd345d4f4
SHA1 hash: 508e8e2c37a1e679c189b1c85a86d80e0065ea56
MD5 hash: 030e48ef5028a6aea07e73cc487e8a99
humanhash: echo-wyoming-pasta-sweet
File name:gunzipped
Download: download sample
Signature AgentTesla
File size:756'736 bytes
First seen:2020-07-29 06:20:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e8ef47e85c79ee608837cc415c05c43b (15 x AgentTesla, 5 x NanoCore, 5 x Loki)
ssdeep 12288:jRXtpnVH9Az44BnvOCDhzcl0UdKndi2bnXFV/AB9gbQIJ6zShWeVET:jfd8z4byilBdlGXMBsBc
Threatray 11'623 similar samples on MalwareBazaar
TLSH A7F4AE26B2E14933C1672E789C1B57649F3ABE102F3859762FFC1C4C5F3968138662A7
Reporter abuse_ch
Tags:AgentTesla


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: e.vinahost.vn
Sending IP: 125.212.217.248
From: Alireza Usman Sharafi <speedtest@easynet.es>
Subject: RE:Order:723//4143300723+7418200723
Attachment: Purchase Order_pdf.gz (contains "gunzipped")

AgentTesla SMTP exfil server:
mail.flood-protection.org:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
77
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
Searching for the window
Sending an HTTP GET request
Reading critical registry keys
Launching the process to change network settings
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Sigma detected: Capture Wi-Fi password
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 harvest and steal WLAN passwords
Tries to steal Mail credentials (via file access)
Uses netsh to modify the Windows network and firewall settings
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2020-07-29 06:22:09 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx spyware persistence keylogger trojan stealer family:agenttesla
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP 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 0f263962c238b4055e7314a1be8a1d4b9f2c929da4806257ffe0c4a9d8c313ad

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments