MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23b93bf59a03f210eb7b4f0054944dc1b0e09a8ac1fac00c5c4b30dc4b3263e5. 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: 23b93bf59a03f210eb7b4f0054944dc1b0e09a8ac1fac00c5c4b30dc4b3263e5
SHA3-384 hash: 7144b4d1fe107010dafd6dc80551c2a8f9c329637b3fde59f27b4bc2f4ae2c27e2e68bc2f2ac60c4cd30afd4e88d2a07
SHA1 hash: 5912efe81b268d819c6f79a3f571b5e9e523c7c5
MD5 hash: c46fe5a0627083f365dd81fe66ea3bcc
humanhash: dakota-moon-quiet-alpha
File name:Returned Message Content.scr
Download: download sample
Signature AgentTesla
Create hunting rule
File size:510'464 bytes
First seen:2020-06-18 12:46:24 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:FuLuOKRb8AsSJVThw9fP7oeSSwinHvtu:FuivIBuhwJo5ilu
Threatray 10'627 similar samples on MalwareBazaar
TLSH 34B4F09E7BACCA11C0989ABCD6D2904512B4E613262FFF2B7F843E5C1AD93D3150539B
Reporter abuse_ch
Tags:AgentTesla scr


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: 162-144-100-85.unifiedlayer.com
Sending IP: 162.144.38.36
From: NEKO2 CO-OPERATION <enquiry@oxy99.in>
Reply-To: NEKO2 CO-OPERATION <enquiry@oxy99.in>
Subject: Enquiry
Attachment: Returned Message Content.img (contains "Returned Message Content.scr")

AgentTesla SMTP exfil server:
mail.northwestpowdercoating.co.uk:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/19790/
Detection(s):
SecuriteInfo.com.BehavesLike.Generic.fc.30295.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Infostealer.BitStealer
Create hunting rule
Status:
Malicious
First seen:
2020-06-18 12:50:31 UTC
AV detection:
35 of 48 (72.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=eo4tx5m2apzbb233j4afjfcnygyobgukyh5madc4jmynyszsmpsq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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7bb0368333b8dc8c6b4c422f11c02ec43d385547b460c2f1f8cf78013521a2f5
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bf7ae4c4b3df671cb890a8814463ad46ec4d6edb6da0fe9c9201c1d3d9bec52d
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AgentTesla
+ 10'617 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:agenttesla
Link:
https://tria.ge/reports/200624-cw1mr42kyj/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP 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

img e54af821a9abfe0925b10dd8e80f40d8bb60665693e8707a44c0c854c0adda2a

AgentTesla

Executable exe 23b93bf59a03f210eb7b4f0054944dc1b0e09a8ac1fac00c5c4b30dc4b3263e5

(this sample)

  
Dropped by
MD5 fa9d4f5dbbfd6fea2707ee276a4673ec
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 e54af821a9abfe0925b10dd8e80f40d8bb60665693e8707a44c0c854c0adda2a
Cape
Cape
https://www.capesandbox.com/analysis/19790/

Comments