MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ca2c6237e72f889bfebceea0e6bd6ff9e45971634e2e42f81ae10210190b35c. 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: 10


Intelligence 10 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8ca2c6237e72f889bfebceea0e6bd6ff9e45971634e2e42f81ae10210190b35c
SHA3-384 hash: 9ced210e620350fa04cba9c37249b09fe6b6a4d26d265584b9b40bbf45cc7e961298ff2b48c01c5a3e5a049ab2b7f049
SHA1 hash: a044818fa82141901838f7845bdacec35da0952e
MD5 hash: 6298b4c940c1e0bf262085e1179200d8
humanhash: queen-eighteen-five-hydrogen
File name:Installer_v2031_x64.exe
Download: download sample
Signature CNBackdoor
Create hunting rule
File size:19'099'136 bytes
First seen:2026-08-04 19:36:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a56f115ee5ef2625bd949acaeec66b76 (57 x Stealc, 57 x PureHVNC, 36 x CoinMiner)
ssdeep 393216:8EaMWJSyP1zq3603bKaQGfBiuVn8NVy1cwKih8/t9eWEBbgFB6qFRi:8Eabt+HkasgsgcwKihW9eWEBbgBi
TLSH T10E173336B208DA78EE0341F1F60CDE84EDD55B07A4BC7741A205D6AF6D74A82F69B603
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 6061e0c469b2d4cc (1 x CNBackdoor)
Reporter aachum
Tags:CNBackdoor exe


Avatar
iamaachum
https://dl89sfilesbase.top/downloads/Us7Ks1M/Packed

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
170
Origin country :
ES ES
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
No threats detected
Analysis date:
2026-08-04 19:37:47 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/dfafb7a8-1622-4236-b3c2-f697872a78fd

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/78844/
Detection(s):
SecuriteInfo.com.Trojan.Siggen33.10973.85474741.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for analyzing tools
Searching for the window
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Creating a window
Creating a file in the %temp% directory
Running batch commands
Creating a file
Launching a process
Сreating synchronization primitives
Unauthorized injection to a recently created process
Adding an exclusion to Microsoft Defender
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/6a723f55e253178775d99fea/reports/815ffa91-af03-4490-a1c4-23da72011933/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/8ca2c6237e72f889bfebceea0e6bd6ff9e45971634e2e42f81ae10210190b35c
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-08-04T16:13:00Z UTC
Last seen:
2026-08-05T20:45:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/8ca2c6237e72f889bfebceea0e6bd6ff9e45971634e2e42f81ae10210190b35c/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1952260
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Detected unpacking (changes PE section rights)
Drops PE files with benign system names
Found direct / indirect Syscall (likely to bypass EDR)
Hides threads from debuggers
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: System File Execution Location Anomaly
Suspicious powershell command line found
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 GenericBot
Yara detected MSIL Injector
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1952260 Sample: Installer_v2031_x64.exe Startdate: 04/08/2026 Architecture: WINDOWS Score: 100 48 tommysbakescodes.ws 2->48 54 Antivirus / Scanner detection for submitted sample 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 Yara detected GenericBot 2->58 60 7 other signatures 2->60 10 Installer_v2031_x64.exe 4 2->10         started        signatures3 process4 file5 44 C:\Users\user\...\AuthResultController.exe, PE32+ 10->44 dropped 46 C:\Users\user\...\Installer_v2031_x64.exe.log, CSV 10->46 dropped 64 Detected unpacking (changes PE section rights) 10->64 66 Suspicious powershell command line found 10->66 68 Tries to detect sandboxes and other dynamic analysis tools (window names) 10->68 70 5 other signatures 10->70 14 powershell.exe 12 10->14         started        16 powershell.exe 23 10->16         started        signatures6 process7 signatures8 19 AuthResultController.exe 10 14->19         started        23 conhost.exe 14->23         started        52 Loading BitLocker PowerShell Module 16->52 25 WmiPrvSE.exe 16->25         started        27 conhost.exe 16->27         started        process9 file10 38 C:\Users\user\AppData\...\services.exe, PE32+ 19->38 dropped 40 C:\Users\user\AppData\Roaming\...\pcwutl.dll, PE32+ 19->40 dropped 42 C:\Users\user\AppData\Roaming\...\dosvc.dll, PE32+ 19->42 dropped 62 Drops PE files with benign system names 19->62 29 cmd.exe 19->29         started        31 services.exe 14 2 19->31         started        signatures11 process12 dnsIp13 34 conhost.exe 29->34         started        36 timeout.exe 29->36         started        50 tommysbakescodes.ws 172.67.148.26, 443, 49720, 49721 CLOUDFLARENET-CloudflareIncUS Canada 31->50 process14
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8ca2c6237e72f889bfebceea0e6bd6ff9e45971634e2e42f81ae10210190b35c
Verdict:
inconclusive
YARA:
6 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/6298b4c940c1e0bf262085e1179200d8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8ca2c6237e72f889bfebceea0e6bd6ff9e45971634e2e42f81ae10210190b35c/
Threat name:
Win64.Trojan.Wacatac
Create hunting rule
Status:
Suspicious
First seen:
2026-08-04 19:39:33 UTC
File Type:
PE+ (Exe)
Extracted files:
3
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rsrmmi36ol4itp7lz3va426w76pelfywgtroil4bvyiccamqwnoa._file
Verdict:
malicious
Label(s):
PureCrypter
Create hunting rule
Link:
https://reports.threatray.com/2caf1380-73c4-4a62-995f-fce4498d3688
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion execution persistence privilege_escalation themida trojan
Link:
https://tria.ge/reports/260804-ybnfascr2w/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Executes a command shell one-liner
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks whether UAC is enabled
Checks BIOS information in registry
Creates a file in the Startup directory
Executes dropped EXE
Themida packer
Command and Scripting Interpreter: PowerShell
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Unpacked files
SH256 hash:
8ca2c6237e72f889bfebceea0e6bd6ff9e45971634e2e42f81ae10210190b35c
MD5 hash:
6298b4c940c1e0bf262085e1179200d8
SHA1 hash:
a044818fa82141901838f7845bdacec35da0952e
Link:
https://www.unpac.me/results/1ab063a6-aaae-4425-ad12-8e44adc87673/
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
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:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
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

CNBackdoor

iso 258c66d02c5b6c3abea28fbae7b30d67a35880c5b69f674ac1c37797846ab9d3

CNBackdoor

Executable exe 8ca2c6237e72f889bfebceea0e6bd6ff9e45971634e2e42f81ae10210190b35c

(this sample)

  
Link
https://tria.ge/260804-w4zb6avvh1/behavioral2
  
Dropped by
SHA256 258c66d02c5b6c3abea28fbae7b30d67a35880c5b69f674ac1c37797846ab9d3
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/78844/
  
Dropped by
MD5 e02d13b95d20c575e7d4bfc1623688df

Comments