MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1677fc7804a86b577e0db37ec8dc27f05cfc5773eaeb99f9b8e70bb1d88608d3. 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: 1677fc7804a86b577e0db37ec8dc27f05cfc5773eaeb99f9b8e70bb1d88608d3
SHA3-384 hash: 718c9c7e339564a8cd7c022ea01252edf6bca29c4f0acba452ac43b98a069c980f2bcd01e6daa5b9dc8b353684161665
SHA1 hash: 124754aedde3ebacf8ab9d65e7d74ceb5e925c0c
MD5 hash: 68f98fc47a23155c12e96614994fa8e2
humanhash: lake-louisiana-uncle-hydrogen
File name:550065-DOC0000557423-08062020.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:473'600 bytes
First seen:2020-06-08 06:32:28 UTC
Last seen:Never
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:keH4zi5SLkivPFN6Cz/I2Ex9dpzI4GGbtD5GKKXq:xeiA73X6YgTPdpzIYbtlZK
Threatray 10'660 similar samples on MalwareBazaar
TLSH 53A4125173E88B3BE93D57F991A925100372768BB232F75E4DCAB2EB0962B810750F47
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.prvabeogim.edu.rs
Sending IP: 80.93.238.228
From: Fabio Saab <fabiosaab8@gmail.com>
Subject: Documentos para cargar
Attachment: 550065-DOC0000557423-08062020.7z (contains "550065-DOC0000557423-08062020.exe")

AgentTesla SMTP exfil server:
mail.ductoslimpios.com.mx:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-08 06:34:07 UTC
AV detection:
25 of 31 (80.65%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cz37y6aevbvvo7qnwn7mrxbh6bopyv3t5lvzt6ny44f3dwegbdjq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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0d4623e27386fcbb4755a97f2552b141f7ffd67b56feea2768c49920bd0b081d
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32e7be2844e7be1f6ae7d262eeebe64926946ebbc8e2d91ce3760b8e1d10285c
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8621ba52e2b195af00640ccb8311cdd3a1f421f45496b5d91867fbc309d053d2
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c50ba6556752607323e0e14d5429961d9af3804d9b45f8c7755ec1709efc6af3
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dfca8cf09994229afec678b5c279d247e3e69c45f2878f816025b4933f3bc3b0
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f61fba92541b23921c7904cd689121c68b8bf69780220586227bf01c9816c68d
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f669e4406244692e23e031d355e53b51dee1b96f1e988172a2b1eabcd0d82292
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fcb07f6be2f0675c3631617fa46649f6edb9d8fc55d09fdfaee9f9c4dd577ce9
AgentTesla
+ 10'650 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-3mjy8fzvjx/
Behaviour
Creates scheduled task(s)
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
AgentTesla Payload
ServiceHost packer
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
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

7z b78dbeaed64556fe1951470a4254bdb79ad696de490b0f61134924aaff284f5d

AgentTesla

Executable exe 1677fc7804a86b577e0db37ec8dc27f05cfc5773eaeb99f9b8e70bb1d88608d3

(this sample)

  
Dropped by
MD5 aa9ec75c65dd190d1f5f1a1d451fef1e
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 b78dbeaed64556fe1951470a4254bdb79ad696de490b0f61134924aaff284f5d

Comments