MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f577eceadd6a54ccfe0cfc7d9e79c835c9d84dc4cfed5b7db86f6113612a7665. 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


KatzStealer


Vendor detections: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f577eceadd6a54ccfe0cfc7d9e79c835c9d84dc4cfed5b7db86f6113612a7665
SHA3-384 hash: f7ea05cff77802319275a2b1e084052fb2849732b614fcd6c8f3b5eccdd293be7deec26df380b728613958b4ef7015e6
SHA1 hash: b9b3534552eab18fcab6268591a1537502ce4eab
MD5 hash: 0b19257559f32584817d6182aead7093
humanhash: papa-jersey-nineteen-yellow
File name:IMG__pic0099400000300200005050050500500505050050052333.hta
Download: download sample
Signature KatzStealer
Create hunting rule
File size:70'913 bytes
First seen:2025-10-01 09:34:01 UTC
Last seen:2025-10-01 09:34:13 UTC
File type:HTML Application (hta) hta
MIME type:text/html
ssdeep 1536:jJfZx04DPPI8Lcsq6LzS85Ea56QJF/WsoYuAsesoBFSH:jJfZx0yPPI8d28SLQJgxYuAseri
Threatray 25 similar samples on MalwareBazaar
TLSH T1666395888B1B28A19D77767EEB2594D3EBBB44734120804AFDED2545EFFB018C1E5D28
Magika html
Reporter JAMESWT_WT
Tags:104-168-7-197 c9cdziyhvp hta KatzStealer Spam-ITA

Intelligence

File Origin
# of uploads :
2
# of downloads :
42
Origin country :
IT IT
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Script.SNH-gen.99719551.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68dcf5a640b7da0b4eb92aaf
Tags:
obfuscate xtreme virus
Result
Verdict:
Malicious
File Type:
HTA File - Malicious
Link:
https://app.docguard.net/f577eceadd6a54ccfe0cfc7d9e79c835c9d84dc4cfed5b7db86f6113612a7665/results/dashboard
Payload URLs
URL
File name
http://ixti.net/development/javascript/2011/11/11/mekin-enpersonaliadepersonalia-of-utf8-in-browser-with-js.html
HTA File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Labled as:
BZC.UGZ.Boxter.261
Link:
https://www.hybrid-analysis.com/sample/f577eceadd6a54ccfe0cfc7d9e79c835c9d84dc4cfed5b7db86f6113612a7665
Verdict:
Malicious
File Type:
hta
First seen:
2025-10-01T07:29:00Z UTC
Last seen:
2025-10-02T10:08:00Z UTC
Hits:
~10
Detections:
Trojan-Downloader.JS.SLoad.sb Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic
Link:
https://opentip.kaspersky.com/f577eceadd6a54ccfe0cfc7d9e79c835c9d84dc4cfed5b7db86f6113612a7665/results?tab=lookup
Score:
95%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/f577eceadd6a54ccfe0cfc7d9e79c835c9d84dc4cfed5b7db86f6113612a7665
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f577eceadd6a54ccfe0cfc7d9e79c835c9d84dc4cfed5b7db86f6113612a7665/
Verdict:
Malicious
Threat:
Trojan-Downloader.JS.SLoad
Link:
https://tip.neiki.dev/file/f577eceadd6a54ccfe0cfc7d9e79c835c9d84dc4cfed5b7db86f6113612a7665
Threat name:
Script-JS.Trojan.Boxter
Create hunting rule
Status:
Malicious
First seen:
2025-10-01 10:14:27 UTC
File Type:
Text (HTML)
Extracted files:
1
AV detection:
10 of 38 (26.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6v36z2w5njkmz7qm7r6z46oigxe5qtoez7wvw7nyn5qrgyjkozsq._file
Verdict:
malicious
Label(s):
katzstealer
Create hunting rule
Similar samples:
236ccfa7a6e8e11dcef470390963b923e494b0b127db7986cefd4904219d6b13
KatzStealer
738b83bb381cf4a5b9b3548200938722d272d6209aa3a6290837a74b9d5da389
KatzStealer
a61bf1ddb04ad05d7085979870a5f1b2205a8b19d903a357821e3c9141444545
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a698ce1ff3880952c3d2e100460346ca33263157320102ecee1ee612e55d4ce1
KatzStealer
d6dd68b6063f656c2c585dc88658face4f43ed3094378574751c82b0311d0d64
KatzStealer
error
KatzStealer
f577eceadd6a54ccfe0cfc7d9e79c835c9d84dc4cfed5b7db86f6113612a7665
KatzStealer
+ 15 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
collection discovery execution
Link:
https://tria.ge/reports/251001-lj2xfawlt7/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Malware Config
Dropper Extraction:
http://104.168.7.197/img/optimized_MSI.png
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f577eceadd6a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f577eceadd6a54ccfe0cfc7d9e79c835c9d84dc4cfed5b7db86f6113612a7665

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:Base64_Encoded_Powershell_Directives
Create hunting rule
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Web download

KatzStealer

HTML Application (hta) hta f577eceadd6a54ccfe0cfc7d9e79c835c9d84dc4cfed5b7db86f6113612a7665

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3636279/
  
Delivery method
Distributed via web download

Comments