MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a18085ac71d9d467d624492a847de1e7b6f7d4439ac496acbc67e28977e60606. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a18085ac71d9d467d624492a847de1e7b6f7d4439ac496acbc67e28977e60606
SHA3-384 hash: 64eebaa2a0488ad5f797a6a04aaf5e7e89f39de7ab97a21689e23731004dc4a4a8889778dfd42292cdca95d630ddfcec
SHA1 hash: ddefd21c0fddc8b5d85bde29f9cebfc48a2b5ba4
MD5 hash: 2cdfc23862dd7eaad438857cf157e927
humanhash: beer-jupiter-potato-carolina
File name:Terms & Conditions.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:607'744 bytes
First seen:2020-05-08 18:27:42 UTC
Last seen:2020-05-09 21:41:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:kC8XN/IsLIxBUeA/pYQ2tiXoPyV8QXqYNR6ronaFPM7cXA2mssw1lQdleJt:cNwAKUeA/pGkoPyF36pqu
Threatray 10'833 similar samples on MalwareBazaar
TLSH 3DD48B9C3250BADFC81BCD7AC9641C64AA6074676B0BD203A11715DDAA0DFEBCF112E7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: wisejoyint.com
Sending IP: 103.99.1.174
From: Mikey Tchiu<mikeytchiu@wisejoyint.com>
Subject: INVESTMENT INQUIRY
Attachment: Terms Conditions.pdf.zip (contains "Terms & Conditions.pdf.exe")

AgentTesla SMTP exfil server:
mail.hotel71.com.bd:587

Intelligence

File Origin
# of uploads :
6
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.hc.26358.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Genkryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-08 18:35:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
27 of 31 (87.10%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ugailldr3hkgpvrejevii7pb463ppvcdtlcjnlf4m7ris57gayda._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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2ae952b2cc6f04f55a42c82386e16ddece41b1f8f6cff192cc18eb2b037d89b4
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8bacca094f83e0486702d5c22a551a5a52ee7dab8ed6daad0b2881c57a1127ce
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bbfd3959ef22e9fa18ed11cbc9b8f31ac36e86f0d055d2c57b81ee19f9c54175
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da8b591b762548a258cf7d03c230825f5c03f4044fd96dc814996492679a24b0
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e30672336261f66449f9e3e1f7e4fd6ba381e6046cdb5c9ba0088c576aca5176
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e386fd9c2ec4caa4a12389d0d1c20e870a0955eeb3ab5c72e7c1eab18ca2efb1
AgentTesla
+ 10'823 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity evasion keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-3xw99vm6jj/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Modifies service
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Disables Task Manager via registry modification
Drops file in Drivers directory
AgentTesla Payload
rezer0
ServiceHost packer
AgentTesla
CoreEntity .NET Packer
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

zip 1b7aa9cdf53862ead0ab18b1940188c32425b47f69d4096df56702053ddc2cbd

AgentTesla

Executable exe a18085ac71d9d467d624492a847de1e7b6f7d4439ac496acbc67e28977e60606

(this sample)

  
Dropped by
MD5 a5525f478839eb0db18acf524a482bee
  
Delivery method
Distributed via e-mail attachment

Comments