MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f6b2c3d63d17c19df0509f3c2f9a1d3952f5e9b76ef8cf8ab00199c32fd3f3a. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: 1f6b2c3d63d17c19df0509f3c2f9a1d3952f5e9b76ef8cf8ab00199c32fd3f3a
SHA3-384 hash: 3c368ac68425d2f1896b2ccfc381d5f010f726ae0fb04cd883e87f32490a4c6efb4c61c0f1971e57e27e4fa9a178c3ac
SHA1 hash: b209bfc2a4784392509ca6628fa082659c8d766a
MD5 hash: 3122aa0120609d502af50fe809f0be65
humanhash: potato-jersey-montana-two
File name:2020 Repeat Order. PDF File.exe
Download: download sample
Signature AgentTesla
File size:644'096 bytes
First seen:2020-08-11 12:10:10 UTC
Last seen:2020-08-11 13:19:23 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 12288:0VmVUvj0bsGRtxMbuUQam9OfC1dmrEhbJ:0kZYGRouR9OfWmkb
Threatray 10'648 similar samples on MalwareBazaar
TLSH ECD48D60F9003899B233C52AF1D1FC42225DF103DB165FBBF26B69A44E955C91AA3F4B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: server.gunasenaputra.com
Sending IP: 103.31.233.6
From: Luci Yulianti <luci.yulianti@gunasenaputra.com>
Subject: Fwd: Repeat Order 2020
Attachment: 2020 Repeat Order. PDF File.rar (contains "2020 Repeat Order. PDF File.exe")

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

Intelligence


File Origin
# of uploads :
2
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Creating a window
Sending a UDP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Machine Learning detection for sample
Maps a DLL or memory area into another process
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)
Sigma detected: RegAsm connects to smtp port
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:
2020-08-11 12:12:06 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
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 1f6b2c3d63d17c19df0509f3c2f9a1d3952f5e9b76ef8cf8ab00199c32fd3f3a

(this sample)

  
Delivery method
Distributed via e-mail attachment

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