MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99afa20e22dac4e8fd5f536c3fd6c806fa6a9f52a0458c0c1a90fdc3e8a1f3f8. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 99afa20e22dac4e8fd5f536c3fd6c806fa6a9f52a0458c0c1a90fdc3e8a1f3f8
SHA3-384 hash: 72cba83afdcecbfe754a52a510d62c1b39745d378ee7ab18e742919074cd8a6a59d99e47d9708bb39d54418b789ee3c1
SHA1 hash: 40174edbe6244b7c4fe2f00798797761b2910976
MD5 hash: 285a879938f9da7b7d56df9b5f3725f5
humanhash: foxtrot-robert-east-winner
File name:Updated product.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:641'336 bytes
First seen:2020-08-18 11:42:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:B/S1QbvgWK5WpLQnCQRowWe7YazOV/Gb6:BSQbvxaWKFOUlzE/G+
Threatray 9'697 similar samples on MalwareBazaar
TLSH 1AD45B3238C22D7AD92402B4306899C27629BA457ED68B3FA3DF93CC7F0165B7B6545C
Reporter abuse_ch
Tags:AgentTesla exe MailChannels


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: bird.elm.relay.mailchannels.net
Sending IP: 23.83.212.17
From: sales@co.jp.kxikn.xyz
Subject: RE: PO W04-BOD0
Attachment: Updated product.pdf.uue (contains "Updated product.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
63
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/47748/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/99afa20e22dac4e8fd5f536c3fd6c806fa6a9f52a0458c0c1a90fdc3e8a1f3f8/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-18 02:26:31 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tgx2edrc3lcor7k7knwd7vwia35gvh2subcyyda2sd64h2fb6p4a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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bf7bdc6825c2f863095795d10195f76265c5a062850ebc4b40ff0a51f62365e8
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d1165dab325f43ce9df0a04c9a2c832b7f2c34696337fc7e43195ca1450e60a5
AgentTesla
+ 9'687 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
agilenet keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200818-lb83vk7cre/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
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.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/99afa20e22dac4e8fd5f536c3fd6c806fa6a9f52a0458c0c1a90fdc3e8a1f3f8

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 8bc894cc67869f8b312678ff472000ee86422b2741b93298687020c1f392f72d

AgentTesla

Executable exe 99afa20e22dac4e8fd5f536c3fd6c806fa6a9f52a0458c0c1a90fdc3e8a1f3f8

(this sample)

  
Dropped by
MD5 8edf73f1d615f3e95b63de401449756b
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/47748/
  
Dropped by
SHA256 8bc894cc67869f8b312678ff472000ee86422b2741b93298687020c1f392f72d

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