🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 627dc3ef0c80bac796aa8256847b0d6922c4eab38809da577e9d4ba554243260. 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: 16


Intelligence 16 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 627dc3ef0c80bac796aa8256847b0d6922c4eab38809da577e9d4ba554243260
SHA3-384 hash: 153072182897ef59b1a3d8934503fe7886190e68bb959047f04471884c3bc137772d5bd04a7f5d914c4bee6ff6da07a9
SHA1 hash: 06faeae5d82103dcb7e6a1876ac8d3ea1465a388
MD5 hash: 8c6464501df15e894ea8d98feb9c9f39
humanhash: seven-kitten-princess-dakota
File name:Installer29307.exe
Download: download sample
Signature CNBackdoor
Create hunting rule
File size:15'303'168 bytes
First seen:2026-11-07 19:10:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash a56f115ee5ef2625bd949acaeec66b76 (57 x PureHVNC, 57 x Stealc, 36 x CoinMiner)
ssdeep 393216:J+jWb1BLNY+3Z+6bmTJ28iINv5RLWtNOVNhvYX2Alw9MmmwUNSraVUwzKa:oj8TLNYcZ+IKTiIUNkSoCmljr6Ka
TLSH T1ABF633764E2B6472C06F15B28700A946B886EEA7F90856843DF8FCF4357C6793256F32
TrID 38.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.6% (.ICL) Windows Icons Library (generic) (2059/9)
15.4% (.EXE) OS/2 Executable (generic) (2029/13)
15.2% (.EXE) Generic Win/DOS Executable (2002/3)
15.2% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
dhash icon a418f89898acc800 (1 x CNBackdoor)
Reporter aachum
Tags:CNBackdoor exe


Avatar
iamaachum
https://dl89sfilesbase.top/downloads/Iaw3mJ7x/Packed

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
189
Origin country :
PT PT
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-11-07 19:21:42 UTC
Tags:
themida netreactor cnbbot backdoor
Link:
https://app.any.run/tasks/fec99581-c692-4702-bb23-b1103900c170

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/97906/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6af1be05ac89c90fc65a618c
Tags:
injection virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for analyzing tools
Searching for the window
Sending a custom TCP request
Creating a file
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Running batch commands
Launching a process
Creating synchronization primitives
Creating a window
Connection attempt to an infection source
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed themidawinlicense
Link:
https://www.filescan.io/uploads/6aef77cd01d8359b5888b8e0/reports/e0145f86-fb49-4b86-a5f4-37a770242af3/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/627dc3ef0c80bac796aa8256847b0d6922c4eab38809da577e9d4ba554243260
Verdict:
Malicious
File Type:
exe x64
Link:
https://opentip.kaspersky.com/627dc3ef0c80bac796aa8256847b0d6922c4eab38809da577e9d4ba554243260/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/4fcb4992-286c-41a7-a91c-41cfbd3c6eb5
Result
Threat name:
CNB Bot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/2000486
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Found direct / indirect Syscall (likely to bypass EDR)
Hides threads from debuggers
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Queries Windows boot options (potential test-signing detection)
Suricata IDS alerts for network traffic
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Yara detected CNB Bot
Yara detected GenericBot
Yara detected MSIL Injector
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 2000486 Sample: Installer29307.exe Startdate: 07/11/2026 Architecture: WINDOWS Score: 100 45 tommysbakescodes.ws 2->45 49 Suricata IDS alerts for network traffic 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 6 other signatures 2->55 9 Installer29307.exe 3 2->9         started        13 extcheck.exe 2 2->13         started        15 extcheck.exe 3 2->15         started        17 5 other processes 2->17 signatures3 process4 file5 41 C:\Users\user\AppData\Local\...\BLexitAPI.exe, PE32+ 9->41 dropped 43 C:\Users\user\...\Installer29307.exe.log, CSV 9->43 dropped 59 Detected unpacking (changes PE section rights) 9->59 61 Tries to detect sandboxes and other dynamic analysis tools (window names) 9->61 63 Hides threads from debuggers 9->63 65 4 other signatures 9->65 19 BLexitAPI.exe 10 9->19         started        23 WmiPrvSE.exe 9->23         started        signatures6 process7 file8 35 C:\Users\user\AppData\Roaming\...\pcwutl.dll, PE32+ 19->35 dropped 37 C:\Users\user\AppData\...\extcheck.exe, PE32+ 19->37 dropped 39 C:\Users\user\AppData\Roaming\...\dosvc.dll, PE32+ 19->39 dropped 57 Antivirus detection for dropped file 19->57 25 extcheck.exe 14 2 19->25         started        29 cmd.exe 1 19->29         started        signatures9 process10 dnsIp11 47 tommysbakescodes.ws 172.67.148.26, 443, 49708, 49709 CLOUDFLARENET-CloudflareIncUS Canada 25->47 67 Antivirus detection for dropped file 25->67 31 conhost.exe 29->31         started        33 timeout.exe 1 29->33         started        signatures12 process13
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/8c6464501df15e894ea8d98feb9c9f39
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/627dc3ef0c80bac796aa8256847b0d6922c4eab38809da577e9d4ba554243260/
Threat name:
Win64.Trojan.Qwexlafiba
Create hunting rule
Status:
Malicious
First seen:
2026-11-07 19:11:14 UTC
File Type:
PE+ (Exe)
Extracted files:
3
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mj64h3ymqc5mpfvkqjlii6ynnermj2vtrae5uv36tvf2kvbegjqa._file
Verdict:
malicious
Label(s):
PureHVNC
Create hunting rule
Link:
https://reports.threatray.com/ea04ab2c-6f8a-443d-94ae-5192b61e4d6b
Result
Malware family:
cnbackdoor
Create hunting rule
Score:
  10/10
Tags:
family:cnbackdoor backdoor defense_evasion discovery execution persistence themida trojan
Link:
https://tria.ge/reports/261107-xv1djaev9x/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Executes a command shell one-liner
Reads the TCP/IP host and domain name from the registry
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks whether UAC is enabled
Checks BIOS information in registry
Executes dropped EXE
Themida packer
Windows security bypass
Windows security modification
Looks for VMWare Tools registry key
Enumerates VirtualBox registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Looks for VirtualBox Guest Additions in registry
Family: CNBackdoor
Malware Family:
n/a
Verdict:
Suspicious
Tags:
evasion
YARA:
n/a
Link:
https://app.threat.zone/submission/e22956f2-1376-4f3c-96c2-202866abe568
Malware Family:
themida
Create hunting rule
Malicious:
True
Tags:
spreader themida 64bits calls-wmi checks-bios obfuscated checks-network-adapters detect-debug-environment long-sleeps idle
Link:
https://intel.virussign.com/intelligence/file/627dc3ef0c80bac796aa8256847b0d6922c4eab38809da577e9d4ba554243260
Unpacked files
SH256 hash:
627dc3ef0c80bac796aa8256847b0d6922c4eab38809da577e9d4ba554243260
MD5 hash:
8c6464501df15e894ea8d98feb9c9f39
SHA1 hash:
06faeae5d82103dcb7e6a1876ac8d3ea1465a388
Detections:
INDICATOR_EXE_Packed_Themida
Create hunting rule
Link:
https://www.unpac.me/results/cabca843-dae4-44ae-839a-90cde2f93c9d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.14
Link:
https://yomi.yoroi.company/submissions/627dc3ef0c80bac796aa8256847b0d6922c4eab38809da577e9d4ba554243260

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
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)
Rule name:WIN_Malware_Unknown_ForgeAuto_6717780a_Extrait
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (pe, etat extrait)
Rule name:WIN_Malware_XWorm_ForgeAuto_6b06c990_Extrait
Create hunting rule
Author:Marjoriefort
Description:Detects XWorm (pe, etat extrait)

File information

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

Web download

CNBackdoor

iso ca8e5a8d645c1084d2eee77e146589cc6a28cb9616106f177b167630c444c97b

CNBackdoor

Executable exe 627dc3ef0c80bac796aa8256847b0d6922c4eab38809da577e9d4ba554243260

(this sample)

  
Link
https://tria.ge/261107-wyrp5afg63/behavioral2
  
Dropped by
SHA256 ca8e5a8d645c1084d2eee77e146589cc6a28cb9616106f177b167630c444c97b
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/97906/
  
Dropped by
MD5 74a62559423287dfdae8e57e10bd974b

Comments