MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2b25365ac3fab2649ba188a0c113a558686c049d89bb4b8f3d7439a6e6732c0. 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: b2b25365ac3fab2649ba188a0c113a558686c049d89bb4b8f3d7439a6e6732c0
SHA3-384 hash: 20e570da7117f28129644e9169a791f5e19717c811c0b205d755ae4474fd1db9f55a4f3bbcf9f1d97f2c9473feb36332
SHA1 hash: 7a287275d3a8b010b444ccc2c24a835846a79b63
MD5 hash: 05e6cd1036d5da426ab71fba03854a4d
humanhash: cola-beer-single-apart
File name:Purchase Order 5893.exe
Download: download sample
Signature AgentTesla
File size:671'232 bytes
First seen:2020-10-26 15:04:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:PUxOZhC9CgvCalNAa6Hu3CcUWCDIsVFjFi+THLJGHIVqmi:PxHCDyHuR6ZjFiqSIVqmi
Threatray 799 similar samples on MalwareBazaar
TLSH 34E4BF3133542FA6F17D977A852450018BF2F897F361E689BDB500EA0AE0F858776BD2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: pbktrading.com
Sending IP: 80.85.159.76
From: "LIM" <pbk@pbktrading.com>
Subject: RE: Purchase Order (B20003)
Attachment: Purchase Order 5893.zip (contains "Purchase Order 5893.exe")

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

Intelligence


File Origin
# of uploads :
1
# of downloads :
62
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
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
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
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
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:
2020-10-26 15:06:05 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


The table below shows additional information about this malware sample such as delivery method and external references.

c79c64ec200fd60473c40f5dbd7b536b

AgentTesla

Executable exe b2b25365ac3fab2649ba188a0c113a558686c049d89bb4b8f3d7439a6e6732c0

(this sample)

  
Dropped by
MD5 c79c64ec200fd60473c40f5dbd7b536b
  
Delivery method
Distributed via e-mail attachment

Comments