MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd798dda71e760acc62a228c3c770034e1a5d0f65db0e0805a6157bcd8c9c454. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bd798dda71e760acc62a228c3c770034e1a5d0f65db0e0805a6157bcd8c9c454
SHA3-384 hash: 10ff7de9b49bede22fa814101e6c87375f9def256e0d18667ceba098f9213ca054282f7e2883948748e49d44d7141874
SHA1 hash: 230ec06385b9c16f4accd3755cd72aa1c79be4a7
MD5 hash: bf98feb3502d7f0914c6a1068a1bc9b1
humanhash: sixteen-eleven-violet-fruit
File name:Direct_advice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:623'104 bytes
First seen:2020-05-05 10:15:05 UTC
Last seen:2020-05-05 11:10:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:bXZIoM+Ty+h4LSc0nEz4xsma6ET0yGmpJe1+mqiL3eLSo/7nxFMsTQBBejx:TZIoMiVh4gnEzw3ET0dBbU
Threatray 10'628 similar samples on MalwareBazaar
TLSH 6AD47C9C722072EFC857D472DEA82CA8EB5074BB531B4113A42725EEDA4D987CF245F2
Reporter abuse_ch
Tags:AgentTesla exe HSBC


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: hsbc.com.hk
Sending IP: 103.207.38.237
From: HSBC Direct Advice <commercialbanking@hsbc.com.hk>
Subject: Direct Advice-23APR2020 ART MAP, DE15628031
Attachment: Attachments.zip (contains "Direct_advice.exe")

AgentTesla SMTP exfil server:
smtp.israelagroconsultant.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
94
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Mal.Generic-S.27623.11243.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-05 04:50:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
27 of 31 (87.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xv4y3wtr45qkzrrkekgdy5yagtq2luhwlwyobac2mfl3zwgjyrka._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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6d74007e7ac24c71ab27dd72dcbf6cc0a7caf046ca1f55eeeacf1e17f73b9d99
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6ef9a45a617adf0e0ff740e37c865325289a110394725c393c314a3128a2575f
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e4392c3867a7b38a96f352f3249358e0144717bde4adf6473e5f994904a98bb3
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fedcde8684220c7fbc13019dac6d9dbca1650c8ef7c89b07675157859e774c83
AgentTesla
+ 10'618 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-k52v93apxa/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
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

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

zip 199f5c3379f3268daedc5f3b3a36383bf171511d0d657fac4057b9e3b40619c7

AgentTesla

Executable exe bd798dda71e760acc62a228c3c770034e1a5d0f65db0e0805a6157bcd8c9c454

(this sample)

  
Dropped by
MD5 e2de50c11994aea9616539df22138f4a
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 199f5c3379f3268daedc5f3b3a36383bf171511d0d657fac4057b9e3b40619c7

Comments