MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 428d2461e6deaeac283d522571e72203dfd7d598f14d0fe16147b954aaf05ace. 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: 428d2461e6deaeac283d522571e72203dfd7d598f14d0fe16147b954aaf05ace
SHA3-384 hash: ae688128994548d1ce515cccfb0d14c118952b546b750108f9adc7062a8a58ef9fbf691afa1f022f3fd6fc11cf2c1374
SHA1 hash: f63a8eac3ca43e4c444d3948608466c7cb26e713
MD5 hash: 2373b1b9aec6e694cb17bb67770c0fb6
humanhash: pizza-stream-blossom-angel
File name:PURCHASE ORDER#565.exe
Download: download sample
Signature AgentTesla
File size:1'316'352 bytes
First seen:2020-08-05 09:32:42 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 24576:REJYxCHV71kzgTctpwKpwdnN0lydflX2cp6A0K/P/:CYxCpegTctpRpQ6yRko6u
Threatray 10'670 similar samples on MalwareBazaar
TLSH 2455DF623A47CF55F83E4B3234B79510DBEABC10AF75ED4DBC9131AE1A71B888912709
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 ORDER565.r11 (contains "PURCHASE ORDER#565.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
70
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
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
Initial sample is a PE file and has a suspicious name
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:
2020-08-05 03:14:37 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads data files stored by FTP 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 428d2461e6deaeac283d522571e72203dfd7d598f14d0fe16147b954aaf05ace

(this sample)

  
Delivery method
Distributed via e-mail attachment

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