MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5bf9c6dd99a8c7ee59efcf09ff2b4ee5b5f51aab9ad91cd2aa0fca4b0ae975ba. 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: 5bf9c6dd99a8c7ee59efcf09ff2b4ee5b5f51aab9ad91cd2aa0fca4b0ae975ba
SHA3-384 hash: 8c8a641199545aebd84f16ad4e27330bdaea6623d158c50469e6aaf6aad48d8da3ec2a368e5ae89241185a71f389c93b
SHA1 hash: 806284efb14a8a27f44eee9564957659eec05282
MD5 hash: ffceee8b1fe197a9cac46ae74a66bccd
humanhash: october-avocado-london-arizona
File name:Doc#162020094753525765344650094480.pdf.exe
Download: download sample
Signature AgentTesla
File size:4'946'432 bytes
First seen:2020-07-18 07:54:43 UTC
Last seen:2020-07-18 09:08:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 98304:MYfdXT/AnOtZiEWM1NSD3Ediy4XnCdaE+UtuI72i7Qd6R4vkygRt:zbAnEZiM1Ns3EdYCb+UtZyJ6SkFt
Threatray 10'632 similar samples on MalwareBazaar
TLSH 503602BE26D2141BD53C097048A5AED05670FD663F12C71E7C81BECDAE333E629532A6
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: [104.36.229.108]
Sending IP: 104.36.229.108
From: DHL Customer Support <support@dhl.com>
Subject: DHL出货通知:36443244716
Attachment: Doc162020094753525765344650094480.pdf.zip (contains "Doc#162020094753525765344650094480.pdf.exe")

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

Intelligence


File Origin
# of uploads :
2
# of downloads :
91
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending an HTTP GET request
Creating a file in the %temp% subdirectories
Reading critical registry keys
Creating a file
Deleting a recently created file
Reading Telegram data
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a TCP request to an infection source
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 246466 Sample: Doc#16202009475352576534465... Startdate: 18/07/2020 Architecture: WINDOWS Score: 100 34 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected AgentTesla 2->38 40 5 other signatures 2->40 7 Doc#162020094753525765344650094480.pdf.exe 7 2->7         started        10 pcalua.exe 1 2->10         started        12 pcalua.exe 1 1 2->12         started        process3 file4 26 C:\Users\user\AppData\...\dfgrwhgrhterurw.exe, PE32 7->26 dropped 28 C:\...\dfgrwhgrhterurw.exe:Zone.Identifier, ASCII 7->28 dropped 30 Doc#16202009475352...0094480.pdf.exe.log, ASCII 7->30 dropped 32 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 7->32 dropped 14 cmd.exe 1 7->14         started        16 dfgrwhgrhterurw.exe 2 7->16         started        18 dfgrwhgrhterurw.exe 3 10->18         started        process5 signatures6 21 reg.exe 1 1 14->21         started        24 conhost.exe 14->24         started        42 Multi AV Scanner detection for dropped file 18->42 44 Machine Learning detection for dropped file 18->44 process7 signatures8 46 Creates an autostart registry key pointing to binary in C:\Windows 21->46
Threat name:
ByteCode-MSIL.Trojan.Masslogger
Status:
Malicious
First seen:
2020-07-18 07:56:09 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Loads dropped DLL
Reads user/profile data of local email clients
Executes dropped EXE
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 5bf9c6dd99a8c7ee59efcf09ff2b4ee5b5f51aab9ad91cd2aa0fca4b0ae975ba

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments