MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 749b5bf46ac62e2f4c947f36095ef8e1277d36771f41a289a6a6c852972489d8. 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: 749b5bf46ac62e2f4c947f36095ef8e1277d36771f41a289a6a6c852972489d8
SHA3-384 hash: 3bfe44665379bc593b05fac2f6797354d918f1982fddf38db3bec74a1a8660a36e8d4befaeeb638d9800d90421b15717
SHA1 hash: 29e2abc67a3b53d0a6d58b4e9e95b1c5e15db77a
MD5 hash: 18bf0b95d4cb1a94b95d8ce3bf48ec0b
humanhash: victor-three-jupiter-leopard
File name:Purchase Order Ref MYRAM-BDM-10752-POR-001.exe
Download: download sample
Signature AgentTesla
File size:709'120 bytes
First seen:2020-08-06 05:55:09 UTC
Last seen:Never
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:b4dyAS5BTlS7AidyF7XSNa6CKP1UDHt2G:kIA2lS7AidyV7kP1UDH3
Threatray 10'802 similar samples on MalwareBazaar
TLSH 9EE45A2421710A97C3EC85B48F4C724449E387B55A8FF7C0ECB72895FA926B1B72CC5A
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: te.techniserv.live
Sending IP: 45.95.171.132
From: Aiman Aziz <aiman.aziz@myram.com.my>
Reply-To: Aiman Aziz < info@techniserv.live>
Subject: Purchase Order Ref : MYRAM-BDM-10752-POR-001
Attachment: Purchase Order Ref MYRAM-BDM-10752-POR-001.zip (contains "Purchase Order Ref MYRAM-BDM-10752-POR-001.exe")

AgentTesla SMTP exfil server:
smtp.jonnywilliam.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
66
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
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
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.AgentTesla
Status:
Malicious
First seen:
2020-08-06 01:31:21 UTC
AV detection:
23 of 29 (79.31%)
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 WriteProcessMemory
Creates scheduled task(s)
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
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 749b5bf46ac62e2f4c947f36095ef8e1277d36771f41a289a6a6c852972489d8

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments