MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f9e9f67612941733e220968d9001e372e1dc046ad73903623b8bde787bd2b6e. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: 8f9e9f67612941733e220968d9001e372e1dc046ad73903623b8bde787bd2b6e
SHA3-384 hash: be7330d456c1009872442cc03612f856d452e7963ef03ba77bc1646183acc190ecd035243d757cc60cd6b7c411ee3cfc
SHA1 hash: 3b197999ee06f09ea6f7b937e280c357baaec6d2
MD5 hash: be13f5c6e56f6447c184c06b7efefe04
humanhash: moon-mississippi-sodium-sad
File name:KINDLY FIND ATTACH RECEIPT OF PAYMENT FOR THE PREVIOUS TRANSACTION..exe
Download: download sample
Signature AgentTesla
File size:669'184 bytes
First seen:2020-08-31 10:53:24 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 12288:VAPc3CVc7S9hkMaLtB64me4Q22b0gvCI9dAA:IA7S9hqLPCez02A
Threatray 10'601 similar samples on MalwareBazaar
TLSH A8E4CFE06748C665D8E756B9983BE6A36533A20EDC684A1D2CD1FF0B3D723470027D9B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: 170161.static.maychudns.com
Sending IP: 112.213.92.77
From: Pham Thi Thuy <thuypham@sitc-dinhvu.com>
Subject: KINDLY FIND ATTACH RECEIPT OF PAYMENT FOR THE PREVIOUS TRANSACTION.
Attachment: KINDLY FIND ATTACH RECEIPT OF PAYMENT FOR THE PREVIOUS TRANSACTION.rar (contains "KINDLY FIND ATTACH RECEIPT OF PAYMENT FOR THE PREVIOUS TRANSACTION..exe")

AgentTesla SMTP exfil server:
mail.caterdevice.com:587

AgentTesla SMTP exfil email address:
creativity1959@hotmail.com

Intelligence


File Origin
# of uploads :
1
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
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
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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:
2020-08-31 04:55:34 UTC
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
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
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 8f9e9f67612941733e220968d9001e372e1dc046ad73903623b8bde787bd2b6e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments