MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b8bfd519d8bbe5a7c285f61c73abef27b4e18a22076d036698ec943b5e61c01. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9b8bfd519d8bbe5a7c285f61c73abef27b4e18a22076d036698ec943b5e61c01
SHA3-384 hash: 5a49ab1cbfbe27c42ff1b5e0988f9f4f6f7f7d7f47fc79945d913db24cff99a0bf56922cf5765bf945746bae472bcc02
SHA1 hash: 17a9f153ab2ce844a8e2ef1f21b674fdc63f827a
MD5 hash: 73446b4f7828240c2176f6dbac0db41e
humanhash: foxtrot-tennessee-enemy-cat
File name:payment slip pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:590'336 bytes
First seen:2020-07-21 06:23:56 UTC
Last seen:2020-07-21 07:24:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:fWklhM3IZSbXSyRw6TBHPqQAs1krJJ5GLqoj0TqUxhD3MIsQJtw9tOYPKlMmuJ4O:Yf5imkrfmFj0TTPL/wnORMx+pRHJAY
Threatray 10'616 similar samples on MalwareBazaar
TLSH F9C49C54D7F88AD9E3BA57BDE474000087B4B91AA7EAE7091B91F4ED1822750CB13F27
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.eldorado.com.uy
Sending IP: 190.64.204.53
From: Florencia Diaz <fldiaz@eldorado.com.uy>
Subject: Proforma Invoice July 2020
Attachment: payment slip pdf.7Z (contains "payment slip pdf.exe")

AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/29696/
Detection(s):
SecuriteInfo.com.generic.ml.16439.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Launching the process to change network settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Moving of the original file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/392476
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 248419 Sample: payment slip pdf.exe Startdate: 21/07/2020 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Sigma detected: Capture Wi-Fi password 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 6 other signatures 2->51 8 payment slip pdf.exe 5 2->8         started        11 MJVkSQ.exe 3 2->11         started        14 MJVkSQ.exe 4 2->14         started        process3 file4 39 C:\Users\user\...\payment slip pdf.exe.log, ASCII 8->39 dropped 16 payment slip pdf.exe 1 5 8->16         started        21 payment slip pdf.exe 8->21         started        67 Injects a PE file into a foreign processes 11->67 23 MJVkSQ.exe 2 11->23         started        69 Multi AV Scanner detection for dropped file 14->69 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->71 73 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 14->73 25 MJVkSQ.exe 2 14->25         started        signatures5 process6 dnsIp7 41 us2.smtp.mailhostbox.com 208.91.199.223, 49716, 587 PUBLIC-DOMAIN-REGISTRYUS United States 16->41 35 C:\Users\user\AppData\Roaming\...\MJVkSQ.exe, PE32 16->35 dropped 37 C:\Users\user\...\MJVkSQ.exe:Zone.Identifier, ASCII 16->37 dropped 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->53 55 Moves itself to temp directory 16->55 57 Tries to steal Mail credentials (via file access) 16->57 59 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->59 27 netsh.exe 3 16->27         started        43 208.91.199.224, 49717, 587 PUBLIC-DOMAIN-REGISTRYUS United States 23->43 61 Tries to harvest and steal ftp login credentials 23->61 63 Tries to harvest and steal browser information (history, passwords, etc) 23->63 65 Tries to harvest and steal WLAN passwords 23->65 29 netsh.exe 23->29         started        file8 signatures9 process10 process11 31 conhost.exe 27->31         started        33 conhost.exe 29->33         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9b8bfd519d8bbe5a7c285f61c73abef27b4e18a22076d036698ec943b5e61c01/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-21 06:25:12 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tof72um5ro7fu7bil5q4oov66j5u4gfceb3nantjr3euhnpgdqaq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'606 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200721-xq2m7cz9zx/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9b8bfd519d8bbe5a7c285f61c73abef27b4e18a22076d036698ec943b5e61c01

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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
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

7z edf0562ed25e2cac70ae9a6a98002fb33871eb7a47d48cd7ba0b729a2dbf6c8b

AgentTesla

Executable exe 9b8bfd519d8bbe5a7c285f61c73abef27b4e18a22076d036698ec943b5e61c01

(this sample)

  
Dropped by
MD5 1c0e9515a76d50a313fbd68c898eb073
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 edf0562ed25e2cac70ae9a6a98002fb33871eb7a47d48cd7ba0b729a2dbf6c8b
Cape
Cape
https://www.capesandbox.com/analysis/29696/

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