MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d9a1d631dce49d1e7e5eddc38dfb09be7bc1386a2f28182ac88af51bced96d0. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4d9a1d631dce49d1e7e5eddc38dfb09be7bc1386a2f28182ac88af51bced96d0
SHA3-384 hash: 1ff565c3847fa8e5f9dde6de7b46b83e9459e8a11679f2998611a7104eae03f6a8b9404363b20eb808479a892f228d78
SHA1 hash: 9e444c695a2d16e513ff3d8a50f0baddc8b2b8f0
MD5 hash: 02e4ae48b9b19ca5a15c1c3e6c78664f
humanhash: twelve-zulu-nitrogen-sodium
File name:INVOICE_9845018.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:442'368 bytes
First seen:2020-06-12 06:56:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:DoVFvP7KIWZcOosN+Xb57NGiA+3WsCiRC:DoXWmLsMXbDG83
Threatray 10'611 similar samples on MalwareBazaar
TLSH B394018D3590B3EFC46BC9369DA41C64AB30B866970BD317A46311AC9D0E6E7CF205F2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: server.cazumedya.com
Sending IP: 78.142.211.126
From: seguridad@remilsa.com
Subject: URGENT//RE: Invoice overdue for May,28 (last month)
Attachment: INVOICE_9845018.iso (contains "INVOICE_9845018.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/9136/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.gc.931.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Worm.AutoRun
Create hunting rule
Status:
Malicious
First seen:
2020-06-12 06:58:10 UTC
AV detection:
28 of 31 (90.32%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jwnb2yy5zze5dz7f5xodrx5qtpt3ye4gulzidavmrcxvdphns3ia._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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9a8948340515796c4fe204849492d03184034350e2e28c1e34beba51a9b960cc
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c7839a3137610ece15b06c73cb4e9ad2b7d175630c13717649974d1965d1235c
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dedf36514df689bf45199f4637020acf6f800ccdca2f8558b96973ed6298b72b
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dfca8cf09994229afec678b5c279d247e3e69c45f2878f816025b4933f3bc3b0
AgentTesla
+ 10'601 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-efdnjw6drj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email 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
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

iso e753400249833cedad02052d7abcb408cf925735bc06a0b75c3bc73b112a4235

AgentTesla

Executable exe 4d9a1d631dce49d1e7e5eddc38dfb09be7bc1386a2f28182ac88af51bced96d0

(this sample)

  
Dropped by
MD5 5665f4f60cdaebbbe9454f6ef69fb16c
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 e753400249833cedad02052d7abcb408cf925735bc06a0b75c3bc73b112a4235
Cape
Cape
https://www.capesandbox.com/analysis/9136/

Comments