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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c275b9171e637565b8d0b7a8fccde14354bc3f9624472bf676dd5ab6a03bdd00. 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



CNBackdoor


Vendor detections: 6


Intelligence 6 IOCs YARA 9 File information Comments

SHA256 hash: c275b9171e637565b8d0b7a8fccde14354bc3f9624472bf676dd5ab6a03bdd00
SHA3-384 hash: ca27e1e30233bc8b9b4a8014baeed7da76c2d3570b9facc548100ec1d43f7e0a58b7584bd493d0e8aa638663c7b23523
SHA1 hash: 5926997f518aebd7408e72a2de133ec008e32945
MD5 hash: f25fae437365b7dce866bd9e4b872d4b
humanhash: lactose-two-zulu-alabama
File name:Installer.iso
Download: download sample
Signature CNBackdoor
File size:16'365'568 bytes
First seen:2026-09-12 13:49:11 UTC
Last seen:Never
File type: iso
MIME type:application/x-iso9660-image
ssdeep 393216:+L1JUhbnSiSgKoxf+5VRLS2AXbojrEygJmlUdtnc4haGFgrP:+pJUYiqGG5PS7X6rHmml14hjyr
TLSH T10CF633F92AF96019DCDC2530121184AB42155277FF335A39F42B5F31AAE22B3FB49672
TrID 88.7% (.NULL) null bytes (2048000/1)
11.0% (.HTP) HomeLab/BraiLab Tape image (256000/1)
0.1% (.ISO) ISO 9660 CD image (2545/36/1)
0.0% (.BIN/MACBIN) MacBinary 1 (1033/5)
0.0% (.SMT) Memo File Apollo Database Engine (88/84)
Magika iso
Reporter aachum
Tags:CNBackdoor iso


Avatar
iamaachum
https://dl89sfilesbase.top/downloads/K3sBmaikZ/Packed

CNBackdoor C2: https://tommysbakescodes.ws/mnlinmwv/isnirs.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
71
Origin country :
ES ES
File Archive Information

This file archive contains 2 file(s), sorted by their relevance:

File name:ReadMe.txt
File size:763 bytes
SHA256 hash: 80121a6691663605f770bfa952d507321253851b2ed59fd201f65da43afd477a
MD5 hash: d2e612daa9baf077beeb787009849bf9
MIME type:text/plain
Signature CNBackdoor
File name:InstallerV10131x64_.exe
File size:16'310'784 bytes
SHA256 hash: d20de1e6ace9860426adff0d63fd8f84e3b5aff6bf2bc29dd2fe68178938d149
MD5 hash: b63c7bff23cbbde6c98971012fe4202a
MIME type:application/x-dosexec
Signature CNBackdoor
Vendor Threat Intelligence
Gathering data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
File Type:
iso
First seen:
2026-09-12T12:50:00Z UTC
Last seen:
2026-09-12T14:51:00Z UTC
Hits:
~10
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
Executable ISO9660 Image PE (Portable Executable) PE File Layout
Threat name:
Win32.Trojan.Ravartar
Status:
Malicious
First seen:
2026-09-12 13:50:33 UTC
File Type:
Binary (Archive)
Extracted files:
5
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Gathering data
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:HeavensGate
Author:kevoreilly
Description:Heaven's Gate: Switch from 32-bit to 64-mode
Rule name:INDICATOR_EXE_Packed_Themida
Author:ditekSHen
Description:Detects executables packed with Themida
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:win32_dotnet_obfuscate
Author:Reedus0
Description:Rule for detecting .NET obfuscated malware

File information


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

Web download

CNBackdoor

iso c275b9171e637565b8d0b7a8fccde14354bc3f9624472bf676dd5ab6a03bdd00

(this sample)

  
Delivery method
Distributed via web download

Comments