MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e1baa07121d1eda13ff2343ba1e5300677b7a54f78034131e0df692ecae1fcc. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4e1baa07121d1eda13ff2343ba1e5300677b7a54f78034131e0df692ecae1fcc
SHA3-384 hash: 6e399578b0fdc5939fa8356bef93406542b3a7f5f365e30536538d94725d2df251f5cdddb7ac73e093e7ac235d516c29
SHA1 hash: 36fe18a7666b5cb5a7e5c6a769a8dc2aab185786
MD5 hash: 70107e21514346b5c8ebd3114e4fe322
humanhash: diet-lithium-illinois-undress
File name:letter of intent.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:820'736 bytes
First seen:2020-07-20 08:28:11 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:+uk561q9I6/kldSCGDyaod+ik4g8y3SoDZxruvcX/UJpES3mECoQJJB+MPtsQ:+uI6OPW2rEloDHrecX/6fmjoQp
Threatray 10'718 similar samples on MalwareBazaar
TLSH 9205E0C99AA05004C6ED2FF95EA2CA794330BD09F5F1970F1FC0B98B293A793D855752
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: benelenergy.com
Sending IP: 37.48.85.232
From: Nicola Romero <info@benelenergy.com>
Subject: Letter Of Intent
Attachment: letter of intent.pdf.zip (contains "letter of intent.pdf.exe")

AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/28818/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file in the %temp% subdirectories
Reading critical registry keys
Creating a file
Deleting a recently created file
Reading Telegram data
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a TCP request to an infection source
Stealing user critical data
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4e1baa07121d1eda13ff2343ba1e5300677b7a54f78034131e0df692ecae1fcc/
Threat name:
ByteCode-MSIL.Trojan.Masslogger
Create hunting rule
Status:
Malicious
First seen:
2020-07-20 08:30:07 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jyn2ubysdupnue77enb3uhstabtxw6su66adiey6bx3jf3fod7ga._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'708 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200720-96s327txb2/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4e1baa07121d1eda13ff2343ba1e5300677b7a54f78034131e0df692ecae1fcc

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

zip 861b41ca1beff143641808f5ffdf94808a43a5eaee8ab6dd447648d7d1d0c38c

AgentTesla

Executable exe 4e1baa07121d1eda13ff2343ba1e5300677b7a54f78034131e0df692ecae1fcc

(this sample)

  
Dropped by
MD5 5a28b53277efcab9ccb59dfb51caa261
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/28818/
  
Dropped by
SHA256 861b41ca1beff143641808f5ffdf94808a43a5eaee8ab6dd447648d7d1d0c38c

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