MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 760dd5e8864e9c94296e285f17ce5b67c9c36d462cd301fa5a72e20b6c97df33. 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: 760dd5e8864e9c94296e285f17ce5b67c9c36d462cd301fa5a72e20b6c97df33
SHA3-384 hash: 74c1cfcf8e00a310196483ee68f542dd58af63e91fbea6bd2a0ed948316148aef5a4c7132dc97e9947c8c98c41b39773
SHA1 hash: c831eaf845e6a4cdfa5aff12d4b31d9e761a95fc
MD5 hash: de6da97086ddfe8b7b32b3e5aae8d17e
humanhash: massachusetts-stream-charlie-summer
File name:PURCHASE ORDER#564.exe
Download: download sample
Signature AgentTesla
File size:1'318'400 bytes
First seen:2020-08-05 09:11:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 24576:XbZ+Yy7H571kzgT+XaO4u7PbrRqe6kYHVkrspwkpwX:4Yy7degT+Kw7sep0pDp
Threatray 10'634 similar samples on MalwareBazaar
TLSH 0E55DFA27948CF34E87E073F3527984697F1BDC28B14D54EBC91B1AC1A31B89891673B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: slot0.hemoclan.com
Sending IP: 104.168.145.121
From: Joanna Fin<info@hemoclan.com>
Reply-To: Joanna Fin<boxesforwarded@gmail.com>
Subject: RE: PURCHASE ORDER#564
Attachment: PURCHASE ORDER564.z (contains "PURCHASE ORDER#564.exe")

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

Intelligence


File Origin
# of uploads :
1
# of downloads :
64
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-05 04:18:44 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
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 760dd5e8864e9c94296e285f17ce5b67c9c36d462cd301fa5a72e20b6c97df33

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments