MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3f57d07595abc550783574e28253125b1d54560c372a538accd06f078ba4da8. 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: b3f57d07595abc550783574e28253125b1d54560c372a538accd06f078ba4da8
SHA3-384 hash: 9d06bee2de92ad7c22664deae2b05bc0494e89b91970ca52b9737439aad7cf683dbd696dd967ae7ac287f213cd5835e7
SHA1 hash: d07b3c5173257a2252e31334ba6a1b9e7f42ef1a
MD5 hash: 33e01284683f8ce189d48a7f3607802a
humanhash: summer-mars-july-pizza
File name:invoice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:476'672 bytes
First seen:2020-07-03 06:14:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:Fehyc52qy9mJKr6jxUxMyoNMbYx2q0gUk4UcCbQTh8:Fdr6jxUi5MQ1kmbQC
Threatray 10'672 similar samples on MalwareBazaar
TLSH F9A4F231725D7F94E568FA34622241020C3A7E7B5267E61D3C9F31F818F1B898B66F92
Reporter abuse_ch
Tags:AgentTesla CHN exe geo


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: [193.56.28.204]
Sending IP: 193.56.28.204
From: DHL客戶支持<support@dhl.com>
Subject: 需要采取的行动 - Please Confirm Your Shipment Address
Attachment: invoice.zip (contains "invoice.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/18581/
Detection(s):
SecuriteInfo.com.Generic-EXE.UNOFFICIAL
Create hunting rule

Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b3f57d07595abc550783574e28253125b1d54560c372a538accd06f078ba4da8/
Threat name:
ByteCode-MSIL.Trojan.Avemariarat
Create hunting rule
Status:
Malicious
First seen:
2020-07-03 02:44:12 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wp2x2b2zlk6fkb4dk5hcqjjrewy5krlaynzkkofmzudpa6f2jwua._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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86943ef4942929242b28a256101aaafcbad5aad208b581849019d6122db9c705
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a8f1b181c37984cf41eb816ec9375d0ef94a5d6dd17f846612b9c95f4129bdc4
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b31c888c6d36ec26e3c9d3ebd99c56abc17f860d008700e3e7687007bd09cfcf
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b84f164b86250eaee07153f4665af8826f0e934ba80e505ae37ead324f53b971
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c0a03dcce1ec66a2dfb9347b2c8263782ee59e7be3844efb136561c7c4f591c6
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d0656a37a28efcb2d601e3684d03b3f61048e62b2338f1d0bbeb374d3858f6b2
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da15903eb4267e8cc8756d0fe8a83d04c1d598d5104291ca5ae89d6d6f58479f
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edd8ffd641e14804cf56763e7369936bd9aaf2a9248dd9aaa196f8f27b416dd6
AgentTesla
+ 10'662 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/200703-qapgbhabjj/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Drops file in Drivers directory
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 1d7552bd9bfc572d0aac5c4aa360d0ed49425b76f133f38b499a8a36be06c02b

AgentTesla

Executable exe b3f57d07595abc550783574e28253125b1d54560c372a538accd06f078ba4da8

(this sample)

  
Dropped by
MD5 825f15e39c95f8a7444c8c3c4f9a3edf
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 1d7552bd9bfc572d0aac5c4aa360d0ed49425b76f133f38b499a8a36be06c02b
Cape
Cape
https://www.capesandbox.com/analysis/18581/

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