MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 be966de0555553e7e3e46e68d456f750834db719f3618ff0f1dab7c94d275adc. 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: 9


Intelligence 9 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: be966de0555553e7e3e46e68d456f750834db719f3618ff0f1dab7c94d275adc
SHA3-384 hash: d42fe29c814331d95f288229cb46d1b2fe1e6bbeb01851977d804f1bbc94aba629e87f60776f9fffb9f94fe648d9b6a1
SHA1 hash: c6e196c1c546f495f99508b805d918edf0fcd283
MD5 hash: ed14b17ecc2a4fa750dbca6828ccfa43
humanhash: bakerloo-ceiling-mississippi-river
File name:WKB25050933.tar
Download: download sample
Signature AgentTesla
Create hunting rule
File size:706'048 bytes
First seen:2025-10-16 08:08:15 UTC
Last seen:Never
File type: tar
MIME type:application/x-tar
ssdeep 12288:ypGSDUSb9xrlZiXm2H0EaLCgnjDSl+IrdfV3TVg89RNXhQqbdvnJ5X6Kk:P8USb9bZYH0TNiljrhVf9GqbFX6
TLSH T145E412991605E206CDA56BB51674F2B42B7D7DCAF612C3179FEC7EEB78A9B004C08183
TrID 62.9% (.TAR/GTAR) TAR - Tape ARchive (GNU) (17/3)
37.0% (.TAR) TAR - Tape ARchive (file) (10/3)
Magika tar
Reporter cocaman
Tags:AgentTesla tar


Avatar
cocaman
Malicious email (T1566.001)
From: "noelleleung@championlee.com" (likely spoofed)
Received: "from championlee.com (unknown [213.209.157.172]) "
Date: "15 Oct 2025 13:50:03 -0700"
Subject: "=?UTF-8?B?56m655m96LK857SZ5paw6KiC5ZauV0tCMjUwNTA5MzMgKEJsYW5rIHN0aWNrZXIgbmV3IG9yZGVyIFdLQjI1MDUwOTMzKQ==?="
Attachment: "WKB25050933.tar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
79
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:WKB25050933.exe
File size:704'008 bytes
SHA256 hash: 871c2de65268673b5d5de3692a408925789846bf58988e8298ea88cbd803d1ed
MD5 hash: 2ac4079bb6288b5e32394ea50648b904
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68f0a80a72d478f905984587
Tags:
krypt spawn msil
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
agenttesla base64 bitmap expired-cert infostealer invalid-signature lolbin msbuild obfuscated packed packed reconnaissance regsvcs rezer0 roboski schtasks signed stego vbc vbnet windows
Link:
https://www.filescan.io/uploads/68f0a8125de1648b25d4d5eb/reports/617e77cc-b470-41ae-a5f8-db232fb87190/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/be966de0555553e7e3e46e68d456f750834db719f3618ff0f1dab7c94d275adc
Verdict:
Malicious
File Type:
tar
First seen:
2025-10-16T05:21:00Z UTC
Last seen:
2025-10-16T05:37:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/be966de0555553e7e3e46e68d456f750834db719f3618ff0f1dab7c94d275adc/results?tab=lookup
Score:
100%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/be966de0555553e7e3e46e68d456f750834db719f3618ff0f1dab7c94d275adc
Verdict:
inconclusive
YARA:
2 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.27 Tar Archive
Link:
https://app.malva.re/file/ed14b17ecc2a4fa750dbca6828ccfa43
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/be966de0555553e7e3e46e68d456f750834db719f3618ff0f1dab7c94d275adc/
Verdict:
Malicious
Threat:
Family.AGENTTESLA
Link:
https://tip.neiki.dev/file/be966de0555553e7e3e46e68d456f750834db719f3618ff0f1dab7c94d275adc
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2025-10-14 22:57:00 UTC
File Type:
Binary (Archive)
Extracted files:
9
AV detection:
27 of 38 (71.05%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=x2lg3ycvkvj6py7enzunivxxkcbu3nyz6nqy74hr3k34stjhlloa._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla discovery execution keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/251016-k7j6vsfl8y/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Checks computer location settings
Executes dropped EXE
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Command and Scripting Interpreter: PowerShell
AgentTesla
Agenttesla family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/be966de0555553e7e3e46e68d456f750834db719f3618ff0f1dab7c94d275adc

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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win32_dotnet_form_obfuscate
Create hunting rule
Author:Reedus0
Description:Rule for detecting .NET form obfuscate malware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

tar be966de0555553e7e3e46e68d456f750834db719f3618ff0f1dab7c94d275adc

(this sample)

AgentTesla

Executable exe 871c2de65268673b5d5de3692a408925789846bf58988e8298ea88cbd803d1ed

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 871c2de65268673b5d5de3692a408925789846bf58988e8298ea88cbd803d1ed
  
Dropping
AgentTesla
  
Dropping
MD5 2ac4079bb6288b5e32394ea50648b904

Comments