MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ece50b4530fc4e9955bf8685739750453271a1cd97b2b40dcacaa14327be1e20. 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: ece50b4530fc4e9955bf8685739750453271a1cd97b2b40dcacaa14327be1e20
SHA3-384 hash: e5eff0d08011d749673f37c444fc0b0567990b19b31b954c3b9a6d0be18e7eea3763ccb874b6fa3405fe8f53f82ae20b
SHA1 hash: 24998d53535898a8c520ede65c6ff89ad805e1d4
MD5 hash: b68f62e38e46c6b4768ab7d521aa987a
humanhash: helium-blue-princess-finch
File name:Advance TT Transfer Swift MT103_pdf.exe
Download: download sample
Signature AgentTesla
File size:803'840 bytes
First seen:2020-08-08 08:07:02 UTC
Last seen:2020-08-10 13:48:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:7n7X5bpuYpCQRfzp3csGQcJSWL2yARsSok4mIbn93BeK0kDHW0Va79ozuDcP5dpQ:pUViF3gQ0N2yRzPn
Threatray 10'749 similar samples on MalwareBazaar
TLSH FC054A9D321076DFC857CD72DA681C64EB9074BB830BD653A06305EDAA4C99BDF290F2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: hinet.net
Sending IP: 176.123.10.138
From: Account Officer <gm@hinet.net>
Subject: Advance TT Payment Transfer Swift
Attachment: Advance TT Transfer Swift MT103_pdf.rar (contains "Advance TT Transfer Swift MT103_pdf.exe")

AgentTesla SMTP exfil server:
mail.nabf.com.au:587

Intelligence


File Origin
# of uploads :
3
# of downloads :
73
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
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-07 22:01:55 UTC
File Type:
PE (.Net Exe)
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
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
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 ece50b4530fc4e9955bf8685739750453271a1cd97b2b40dcacaa14327be1e20

(this sample)

  
Delivery method
Distributed via e-mail attachment

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