MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3c35b5e76f192f44ab3c7f02c1bd0d3d9c9eddf915a1b6ac7a9bb7fe4e6dac4. 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: a3c35b5e76f192f44ab3c7f02c1bd0d3d9c9eddf915a1b6ac7a9bb7fe4e6dac4
SHA3-384 hash: d114c728857e7b401f2e4ad60514e63f3ad5d7029972c6288f3fba3080014898dca0077d5c88fd5ee78af7951d115c03
SHA1 hash: aeb8a1394052f1cf1af943756afd63f9610b8949
MD5 hash: daf0d80b23aac0f71fbc2ee5d90cf350
humanhash: mars-wyoming-neptune-queen
File name:E8850 quotation_pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:537'088 bytes
First seen:2020-07-07 10:06:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'817 x AgentTesla, 19'738 x Formbook, 12'284 x SnakeKeylogger)
ssdeep 12288:OC/nGa5aMVe5ywV7N5EsMuehtHdUY3QXh1NzZ4jVtm5K61OU+BHtCOiJtohq6AJx:RTU+xBin+9kYlcOL
Threatray 10'637 similar samples on MalwareBazaar
TLSH 16B4BE3122B9AF86C93A8BF5645424005FB429AF727DD3696DC030CF55AAF448EA1F73
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: hostweb.nissaweb.com
Sending IP: 206.81.26.192
From: Peter Crisp <peterc@thermaglow.co.uk>
Reply-To: peterc@thermaglow.co.uk
Subject: E8850 quotation request from Thermaglow
Attachment: E8850 quotation_pdf.rar (contains "E8850 quotation_pdf.exe")

AgentTesla SMTP exfil server:
mail.gascuenca.es:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/22226/
Detection(s):
SecuriteInfo.com.Generic.mg.daf0d80b23aac0f7.11840.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a3c35b5e76f192f44ab3c7f02c1bd0d3d9c9eddf915a1b6ac7a9bb7fe4e6dac4/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-07-07 10:08:07 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=upbvwxtw6gjpisvty7ycyg6q2pm4t3o7sfnbw2whvg5x7zhg3lca._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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85e27a1781cf4c5207506a5c2a7df47ab4b79186ffeb2fa6665fb4c2bd50f261
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a6e37f96da16a4f2be724e41fb5aa0ddcb75ba281b2dcf2077779592ab0ed5bb
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e8354b6fbf1b300bf85684f18f48209e2c767c8654d2ab6bcd50375b23deb03c
AgentTesla
+ 10'627 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/200707-whxl3e7bjs/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
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.

cb4ec4e8f9e3d99716f2894cad0eae4b

AgentTesla

Executable exe a3c35b5e76f192f44ab3c7f02c1bd0d3d9c9eddf915a1b6ac7a9bb7fe4e6dac4

(this sample)

  
Dropped by
MD5 cb4ec4e8f9e3d99716f2894cad0eae4b
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/22226/

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