MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5ef70a556489445a18beab8feb6a9058faf0e51967f7185b203734061d2b982. 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: c5ef70a556489445a18beab8feb6a9058faf0e51967f7185b203734061d2b982
SHA3-384 hash: 03034182923fc84423d2102a87cc6946b0d0e04d02c737a0a921c4d45a4148418684ff530a13ace6e2406da62feb6758
SHA1 hash: 45d0b5af5f4b69cb833557198993108b5bf4d746
MD5 hash: 845899a5c06735a411d0bc5c29a32703
humanhash: december-nineteen-illinois-artist
File name:Receipt.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:5'294'592 bytes
First seen:2020-07-06 06:29:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 98304:OptB28lPaJ0WOat1v2UTIbn/A29LZiIuzxauHMmmbMUIl:OpvKJ1fsn/A2NcIuFakL
Threatray 10'828 similar samples on MalwareBazaar
TLSH 1C362319BB45A825C53C067680F69AC1E2B1ED867601C70F36C673285F72ADF3B267C6
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.b-io.co
Sending IP: 185.183.98.177
From: Harrison Contractors<contact@ariapetrolub.fun>
Subject: Re: R: R: Order Confirmation Nr. 2748 of 20102/2020
Attachment: Receipt.rar (contains "Receipt.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/20799/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Running batch commands
Launching a process
Creating a file
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c5ef70a556489445a18beab8feb6a9058faf0e51967f7185b203734061d2b982/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2020-07-05 23:56:43 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yxxxbjkwjckeliml5k4p5nvjawh26dsrsz7xdbnsanzuayosxgba._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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6edf56bf042ac4f2cf12f3dcdd5704e71ddeee943463706513ba51123209bc6f
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86fb079125f93834e6dc2f5ef86c61c36f6a9dbae5338a42341f75bf329b06bf
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88d5500916ded187f8d33b6e16f29db7388374f977ad11d39733613085189d27
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a5bc29d5e6f55ba05f61fff45175d9864ee0b311ad45baf0cfd65c74666da14c
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AgentTesla
+ 10'818 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/200706-eqpdnz5xw2/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
Suspicious use of SetThreadContext
Adds Run entry to start application
Loads dropped DLL
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Executes dropped EXE
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 66f22d7fae050365d8a95b8c858ee6e1bd7ce877136485b30de9f47637caa365

AgentTesla

Executable exe c5ef70a556489445a18beab8feb6a9058faf0e51967f7185b203734061d2b982

(this sample)

  
Dropped by
MD5 6a2e55571bd9ada23410b464161f2ea5
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 66f22d7fae050365d8a95b8c858ee6e1bd7ce877136485b30de9f47637caa365
Cape
Cape
https://www.capesandbox.com/analysis/20799/

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