MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf9a8a5a9daaf6b026a193e759bf42d4f0b79431db5125263c356a5c1168b523. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf9a8a5a9daaf6b026a193e759bf42d4f0b79431db5125263c356a5c1168b523
SHA3-384 hash: 7879f03fffb548fca10165158e4f2627e97e9689131b6805d4e23da6e1fca9d19f09923986cc1af37a165ad722c23731
SHA1 hash: 54ad7e359e02eff4574a73c979903351cb0deead
MD5 hash: f16c83bef739a477a67934263a72da87
humanhash: mars-march-johnny-spaghetti
File name:ordem.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:416'768 bytes
First seen:2020-06-26 06:56:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:DovxNT1wiPh2cbbqAhK+xG8T5EFC/6/n:DovxNT92qq+K+Ig5i
Threatray 10'602 similar samples on MalwareBazaar
TLSH A394D00522AC8A27CD3947FCF466225A037BB1552492E3454FCA20EF7D5BB8B8353AD3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: fre.freespirittours.ge
Sending IP: 192.254.140.61
From: compras@fischerweb.com.br
Subject: ordem
Attachment: ordem.zip (contains "ordem.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/14643/
Detection(s):
SecuriteInfo.com.FileRepMalware.21253.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bf9a8a5a9daaf6b026a193e759bf42d4f0b79431db5125263c356a5c1168b523/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-06-25 19:45:37 UTC
AV detection:
22 of 30 (73.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=x6niuwu5vl3lajvbsptvtp2c2tylpfbr3niskjr4gvvfyeliwurq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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8dd103e61c00d73a45a6f3ada98377db7279e0421a1319bac86b78a081c39d4d
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b4d253fd7bee0ac5be341956d6dcce635957111e207bfee5af0fa9067b066bcb
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b8d388272c192d0a4e73fc27d276da94a582cf48328f8884f1e0613170010b5d
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df5986fcb5b6e473947583262fe71a48b644b13c42a2a57cbff970905baf2001
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e11539733ba2b2a3e51e5c03f171566c58900d2b5e41118c6a495d7dbacb2f56
AgentTesla
+ 10'592 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200626-vy1e1v9y3e/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of SetThreadContext
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.

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 e8d9225bb76d4237ca1258dd3dfc4851043aa146d00b64b192e46bf5d774ce91

AgentTesla

Executable exe bf9a8a5a9daaf6b026a193e759bf42d4f0b79431db5125263c356a5c1168b523

(this sample)

  
Dropped by
MD5 88cf5d9d703ef03741d8b1689638f88d
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/14643/
  
Dropped by
SHA256 e8d9225bb76d4237ca1258dd3dfc4851043aa146d00b64b192e46bf5d774ce91

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