MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb8e4fd77036e0c835a7362aa8288dc6d24a935917455d8c6dbdf28361ff725d. 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: bb8e4fd77036e0c835a7362aa8288dc6d24a935917455d8c6dbdf28361ff725d
SHA3-384 hash: 027015a2fabb6fc28dd7e95f30677fa31217d3f8c5be481656376c3f78eb4dcb64abec7fb797a2187319a2b9e2163ad1
SHA1 hash: 5a598183755980fa9719ede513244099ee315462
MD5 hash: b3911724ce21ecfb5c68e35848a49ded
humanhash: seventeen-finch-speaker-bacon
File name:RFQ0392.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:398'336 bytes
First seen:2020-07-08 14:19:22 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:rLUkk7ken1cpmSK/IkyeEB6JXPj+vMb0:rL5t/uIkFRJbc0
Threatray 10'675 similar samples on MalwareBazaar
TLSH 9F840123335C8364C9E88E3578FC7E843B27620A6366968D4D1F62ED430B73562A57ED
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

From: Marqueton<purchase@accuratemetalmachining.com>
Subject: RFQ-0782020
Attachment: RFQ0392.rar (contains "RFQ0392.exe")

AgentTesla SMTP exfil server:
mail.itdone.cz:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/23141/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bb8e4fd77036e0c835a7362aa8288dc6d24a935917455d8c6dbdf28361ff725d/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2020-07-08 14:21:06 UTC
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xohe7v3qg3qmqnnhgyvkqkeny3jeve2zc5cv3ddnxxzigyp7ojoq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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1914523f38d5ab29cb80d4553d2b4d86741aaa3c6163f3ced9dd3efdc139d694
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6b8e590adc145264d7842a59a6069bf0da63ec67f7968da83a4b5968c404af87
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7e4ef2be56e7ab74462b19b9eca8ece860dd43cf6934a994afddd32b1c51c51e
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cdebb39b2a4f203a8c0be1ce06cbeed1396321d8871d3cc46d4c6639ae7d25a2
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dbbd5c5e913f55887e4166672db4574c60854862a2b06b13e9d58092edcee101
AgentTesla
+ 10'665 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/200708-8k4a9zbpgx/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
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
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

rar a40a664137a3573248372810f32015f2e0e1f93d000bb8d45a455b5c1c8691d0

AgentTesla

Executable exe bb8e4fd77036e0c835a7362aa8288dc6d24a935917455d8c6dbdf28361ff725d

(this sample)

  
Dropped by
MD5 99f02941df7d879298f5234581717e45
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 a40a664137a3573248372810f32015f2e0e1f93d000bb8d45a455b5c1c8691d0
Cape
Cape
https://www.capesandbox.com/analysis/23141/

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