MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a31a7dcf9c8cdf9d549d3d895ba3d23cb6bc26d6eaf243dfd32e04de4ddd7cc3. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a31a7dcf9c8cdf9d549d3d895ba3d23cb6bc26d6eaf243dfd32e04de4ddd7cc3
SHA3-384 hash: 6e506d805532bd8c4ed97c2952e40924dae1c6ee541583c4ddc934f84ffc3a1cca07a7a29f86967c005be39529c7b6ee
SHA1 hash: e4dbf55d370ff6c252c8ba3a57d7920cd2479799
MD5 hash: fd41606a94ba5967d637d5d078cb01b2
humanhash: happy-johnny-low-arizona
File name:Quotation.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:442'880 bytes
First seen:2020-06-15 14:16:55 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 12288:9uj9Qsgk5gRyts3ZfRDZev58nDV/ltbEP:q9H5gHJfRDaI5ltw
Threatray 10'600 similar samples on MalwareBazaar
TLSH 019401067BED4B20E17E5B3288F1450057B4B9A72A13F38E1FC4A07D1A73BD49A52B67
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: webmail.cyber.net.pk
Sending IP: 203.101.175.37
From: Werner Götz <premer@cyber.net.pk>
Subject: Urgent request new order//Quotation List
Attachment: Quotation.zip (contains "Quotation.exe")

AgentTesla SMTP exfil server:
smtp.zoho.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/10507/
Detection(s):
SecuriteInfo.com.Generic.mg.fd41606a94ba5967.21294.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2020-06-15 14:18:05 UTC
AV detection:
23 of 31 (74.19%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=umnh3t44rtpz2ve5hwevxi6shs3lyjww5lzehx6tfycn4to5ptbq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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61cf6689824cb7f1df98bc2b7d459a40b1646ea6336478d1361f95fa4ed9ff4f
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d65af39d2e2e95b696cc3207f6e401a9b078502dccf151c1d625050a31ca8a9d
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d689f51664fabcdaa881301c119e618f6fc233ae3be9109cfaf10913851cb0e3
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e966aeb0b188193243b3219ec2ae33fe1801e4e52d0e13ea8a91c1787c2b1654
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e986b617ad598839ca1b5c6c38ee0dbfb289c63b8cafb009c3729ef50866c39a
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f15ef0ee7cdba23856a4c2bf7f9e2828a32f6d6f7fcc7261c46c6987665f8813
AgentTesla
+ 10'590 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-ad12gdmrsj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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

zip 8e95206fd4cd6d27709f21e5cb4fb003aaaf4ef77b0d29cb0616033416724924

AgentTesla

Executable exe a31a7dcf9c8cdf9d549d3d895ba3d23cb6bc26d6eaf243dfd32e04de4ddd7cc3

(this sample)

  
Dropped by
MD5 59179c6133c3860fe5c54f45b6a99900
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 8e95206fd4cd6d27709f21e5cb4fb003aaaf4ef77b0d29cb0616033416724924
Cape
Cape
https://www.capesandbox.com/analysis/10507/

Comments