MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 74c66faabbab048a567c8550d2cfb9268e61724fb58292a604d44d296777f260. 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: 9


Intelligence 9 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 74c66faabbab048a567c8550d2cfb9268e61724fb58292a604d44d296777f260
SHA3-384 hash: a2d7028cdeb42212a830604be17b1ba3d6c505f73e6e2dc23cb1bf810c68c514283aa0bdcd9b3f29cf2ec71616ac00ec
SHA1 hash: 3b2d036e8ab48b53226af106267858970203fc06
MD5 hash: 44a551af59e8f76a426f249bd945cc62
humanhash: utah-louisiana-speaker-early
File name:InstallerV21039x64.exe
Download: download sample
Signature CNBackdoor
Create hunting rule
File size:15'214'080 bytes
First seen:2026-08-20 19:21:34 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:F4b+oRXgK4CjpVBWwQfgaW+L4B2tOUNKj3rpXNpJoJ:F4b+mXgKv9VD+hW+kkmzxNpJo
TLSH T15EE6339C7CC1986DD9F354B0BE128EAE15E55CEAC104871F2C873BAEF52D629B58340B
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 71e8c4f0d4e87092 (2 x CNBackdoor)
Reporter aachum
Tags:CNBackdoor exe


Avatar
iamaachum
https://dl89sfilesbase.top/downloads/K2n7RfyB/Packed

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
146
Origin country :
ES ES
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/82270/
Detection(s):
SecuriteInfo.com.Trojan.Siggen33.50303.17943414.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for analyzing tools
Searching for the window
Creating a file in the %temp% directory
Launching a process
Creating a process from a recently created file
Creating a window
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a file
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/6a8753e3f61712f5ff0ffc30/reports/1bb45ee5-b2d2-4c17-bee1-db0e3208fa1a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/74c66faabbab048a567c8550d2cfb9268e61724fb58292a604d44d296777f260
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c37af72d-c8e9-4507-9f6a-24374649695a
Result
Threat name:
n/a
Detection:
malicious
Classification:
spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1961438
Signature
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 dropped file
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: Suspicious Script Execution From Temp Folder
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: 1961438 Sample: InstallerV21039x64.exe Startdate: 20/08/2026 Architecture: WINDOWS Score: 100 49 tommysbakescodes.ws 2->49 51 tommysbakescodes.cv 2->51 53 tabbysbakescodes.ws 2->53 63 Antivirus / Scanner detection for submitted sample 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 Yara detected GenericBot 2->67 69 7 other signatures 2->69 10 InstallerV21039x64.exe 2 2->10         started        signatures3 process4 file5 45 C:\Users\user\...\SolutionExpressions.exe, PE32+ 10->45 dropped 47 C:\Users\user\...\InstallerV21039x64.exe.log, CSV 10->47 dropped 75 Detected unpacking (changes PE section rights) 10->75 77 Suspicious powershell command line found 10->77 79 Tries to detect sandboxes and other dynamic analysis tools (window names) 10->79 81 5 other signatures 10->81 14 powershell.exe 12 10->14         started        16 powershell.exe 23 10->16         started        signatures6 process7 signatures8 19 SolutionExpressions.exe 12 14->19         started        23 conhost.exe 14->23         started        61 Loading BitLocker PowerShell Module 16->61 25 WmiPrvSE.exe 16->25         started        27 conhost.exe 16->27         started        process9 file10 39 C:\Users\user\AppData\...\services.exe, PE32+ 19->39 dropped 41 C:\Users\user\AppData\Roaming\...\pcwutl.dll, PE32+ 19->41 dropped 43 C:\Users\user\AppData\Roaming\...\dosvc.dll, PE32+ 19->43 dropped 71 Multi AV Scanner detection for dropped file 19->71 73 Drops PE files with benign system names 19->73 29 services.exe 14 2 19->29         started        33 cmd.exe 19->33         started        signatures11 process12 dnsIp13 55 tommysbakescodes.ws 172.67.148.26, 443, 49755, 49756 CLOUDFLARENET-CloudflareIncUS Canada 29->55 57 tabbysbakescodes.ws 172.67.186.189, 443, 49757, 49760 CLOUDFLARENET-CloudflareIncUS Canada 29->57 59 tommysbakescodes.cv 29->59 83 Multi AV Scanner detection for dropped file 29->83 35 conhost.exe 33->35         started        37 timeout.exe 33->37         started        signatures14 process15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/74c66faabbab048a567c8550d2cfb9268e61724fb58292a604d44d296777f260
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/44a551af59e8f76a426f249bd945cc62
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/74c66faabbab048a567c8550d2cfb9268e61724fb58292a604d44d296777f260/
Threat name:
Win64.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-08-20 19:22:25 UTC
File Type:
PE+ (Exe)
Extracted files:
3
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=otdg7kv3vmciuvt4qvinft5ze2hgc4spwwbjfjqe2rgssz3x6jqa._file
Verdict:
malicious
Label(s):
PureCrypter
Create hunting rule
Link:
https://reports.threatray.com/16066101-5450-4d19-b824-2639b4c83056
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion execution persistence privilege_escalation themida trojan
Link:
https://tria.ge/reports/260820-x3a4lstgqe/
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
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
Unpacked files
SH256 hash:
74c66faabbab048a567c8550d2cfb9268e61724fb58292a604d44d296777f260
MD5 hash:
44a551af59e8f76a426f249bd945cc62
SHA1 hash:
3b2d036e8ab48b53226af106267858970203fc06
Link:
https://www.unpac.me/results/f5446851-fbf4-400d-9529-0d5a07ba51f0/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.34
Link:
https://yomi.yoroi.company/submissions/74c66faabbab048a567c8550d2cfb9268e61724fb58292a604d44d296777f260

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)

File information

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

Web download

CNBackdoor

iso f918d79bd0a169fce42a2005b33cf94b2a3d6e227f215a8358a27667fc0320ef

CNBackdoor

Executable exe 74c66faabbab048a567c8550d2cfb9268e61724fb58292a604d44d296777f260

(this sample)

  
Link
https://tria.ge/260820-xhv82stdpa/behavioral2
  
Dropped by
SHA256 f918d79bd0a169fce42a2005b33cf94b2a3d6e227f215a8358a27667fc0320ef
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/82270/
  
Dropped by
MD5 c54bcc68f387c8f7b8caccb452064e90

Comments