MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a3fb5b5a6e2b151bd68dd6c0b8f88c7743e5cebe6437ef1a71e28de64288e1d. 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: 4


Intelligence 4 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a3fb5b5a6e2b151bd68dd6c0b8f88c7743e5cebe6437ef1a71e28de64288e1d
SHA3-384 hash: 27db271a2ee35c8b7bb049ebe0f7c708ebc102b8d4c226de5eeb2846def7b1ab2e1e382e5d8408fc99c53c8ac3d23924
SHA1 hash: 6897961bf964e4abc3b54e9b08b7db35b214d883
MD5 hash: 2d481ffb5eb3c454a75ebb6179d2dde9
humanhash: speaker-pip-sweet-mockingbird
File name:Omitted-Credentials.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:467'968 bytes
First seen:2020-05-28 13:03:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:31eK5G6R+p0EkROjrksrHd6mg1BZ8vxaNX7DcK1ztz:M6R+SZQtTwm4BZIxmkQtz
Threatray 10'575 similar samples on MalwareBazaar
TLSH 9EA4F101226D4F73E87D8BFE8062200047B95E2A3951F3E9EEEA71D726B6F414A11F53
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: server.saksintech.com
Sending IP: 103.212.121.87
From: Cristina Hugo <export1@progreprofiles.com>
Reply-To: export1@progreprofiles.com
Subject: Omitted-Credentials
Attachment: Omitted-Credentials.img (contains "Omitted-Credentials.exe")

AgentTesla SMTP exfil server:
mail.moment.net:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Generic.mg.2d481ffb5eb3c454.19865.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Genkryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-28 13:37:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
16 of 31 (51.61%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0f6ebc0016da851a5c48bfe7ce83697344353c84ae5ace666225f8742b30aafc
AgentTesla
1d117728ec260d80f6c6a347c4c32c965c69ff10bd4f08444fc70e82eebb1094
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3b41434cac030dea85082658f577f7cf7821dfc36c8e0ba8975fb915030e38db
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4e29937197e0107c240b667902d3349f05c8e1f4da590659b77045f7b6dd422e
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6599a4bdbadcb94a61e747a55454ed5ec2938122daece5255de039aa3820c5b5
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662df407f177b9d63dc16fe5c1068d65c8e1fbe602d05a7cae1db651179b746e
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7a7f8f5b41981d22a64654a713d5dfdfbe6cb5e0778364a594fbaee25efc5425
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bb7d7db00c98fc9b833c3da4a614e726380c6d0a8d5fe45e12ec4209ddf85806
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d2dbb94dedc36a45bd0f528aefae333861935729369b2136b85daa3ff77e4e0a
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e9f0d843d20ec7dbba3f8e8e4a412d369d997b384a10762ccf02544738a39358
AgentTesla
+ 10'565 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-9rfdkbjpse/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
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
AgentTesla Payload
rezer0
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.

56968faf4df64718239ce2d0b755c33d

AgentTesla

Executable exe 4a3fb5b5a6e2b151bd68dd6c0b8f88c7743e5cebe6437ef1a71e28de64288e1d

(this sample)

  
Dropped by
MD5 56968faf4df64718239ce2d0b755c33d
  
Delivery method
Distributed via e-mail attachment

Comments