MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b76c5a4e63236a7275617ca568fed21c69b4e970a9919b112d957d63ed7fac1a. 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:	b76c5a4e63236a7275617ca568fed21c69b4e970a9919b112d957d63ed7fac1a
SHA3-384 hash:	3953755e72b26886e5407cf6fb77c4f68fb0ba907d84b53f20f297eab05e936854a8ad031732a5d5f6163554f349225b
SHA1 hash:	216e5e2fee22a400ebdf964d31d4ad363c3bfbd6
MD5 hash:	045455ed25a2bd208a781d72bd829281
humanhash:	nebraska-muppet-winner-mango
File name:	Installer.iso
Download:	download sample
Signature	CNBackdoor Create hunting rule
File size:	19'814'400 bytes
First seen:	2026-04-06 18:49:50 UTC
Last seen:	Never
File type:	iso
MIME type:	application/x-iso9660-image
ssdeep	393216:SFE/p+tT+DBG6hCowKcyh3gv1FHsZ+hIlUgQPpU15Xz6KjpoY7lDdEb:SaQ+DBGRpKSvs4Iwezjd//
TLSH	T1B517338B6664A469CE772BB3923945F350388F3DE3754C1738EFB4A61BA3D64A411F02
TrID	88.5% (.NULL) null bytes (2048000/1) 11.0% (.HTP) HomeLab/BraiLab Tape image (256000/1) 0.2% (.ATN) Photoshop Action (5007/6/1) 0.1% (.ISO) ISO 9660 CD image (2545/36/1) 0.0% (.BIN/MACBIN) MacBinary 1 (1033/5)
Magika	iso
Reporter	aachum
Tags:	CNBackdoor iso purecrypter tommysbakescodes-ws

iamaachum

https://dl89sfilesbase.top/downloads/T6dgeM0lP/AppSetup

CNBackdoor C2: https://tommysbakescodes.ws/CNB/gaete.php

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

File Archive Information

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

File name:	ReadMe.txt
File size:	761 bytes
SHA256 hash:	8dac22f984bff8e1162b63065ed3b990b44fe9b7a2da940ca3a6053c202a1bc3
MD5 hash:	ff0400d5397036ff353727a5f9941455
MIME type:	text/plain
Signature	CNBackdoor

File name:	Installer_v4012_x64.exe
File size:	19'760'128 bytes
SHA256 hash:	9c941b343d4406dd24f030679d7fa5b1096bfe9e277e98f7cfc2d74eb2eb7f61
MD5 hash:	a80aafdbe37da585348e964e9b0265fc
MIME type:	application/x-dosexec
Signature	CNBackdoor

Vendor Threat Intelligence

Gathering data

Verdict:

Clean

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69d400786a61012f6acf7ae3

Tags:

n/a

Gathering data

Verdict:

Malicious

Labled as:

W64/Themida.DH.gen

Link:

https://www.hybrid-analysis.com/sample/b76c5a4e63236a7275617ca568fed21c69b4e970a9919b112d957d63ed7fac1a

Verdict:

Malicious

File Type:

iso

First seen:

2026-04-06T16:02:00Z UTC

Last seen:

2026-04-06T16:13:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/b76c5a4e63236a7275617ca568fed21c69b4e970a9919b112d957d63ed7fac1a/results?tab=lookup

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b76c5a4e63236a7275617ca568fed21c69b4e970a9919b112d957d63ed7fac1a/

Verdict:

Malicious

Threat:

Family.CNBACKDOOR

Link:

https://tip.neiki.dev/file/b76c5a4e63236a7275617ca568fed21c69b4e970a9919b112d957d63ed7fac1a

Threat name:

Win64.Trojan.Generic

Status:

Suspicious

First seen:

2026-04-06 18:50:30 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

10 of 23 (43.48%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=w5wfuttdenvhe5lbpsswr7wsdru3j2lqvgizwejnsv6wh3l7vqna._file

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/b76c5a4e63236a7275617ca568fed21c69b4e970a9919b112d957d63ed7fac1a

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 Create hunting rule
Author:	kevoreilly
Description:	Heaven's Gate: Switch from 32-bit to 64-mode

Rule name:	INDICATOR_EXE_Packed_Themida Create hunting rule
Author:	ditekSHen
Description:	Detects executables packed with Themida

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	pe_no_import_table Create hunting rule
Description:	Detect pe file that no import table

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)