MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 35850fc8c8d89cb0fd8a4d861bf9c19447c7ebb21a378f1d9f16ed4fbbdc9792. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 35850fc8c8d89cb0fd8a4d861bf9c19447c7ebb21a378f1d9f16ed4fbbdc9792
SHA3-384 hash: 0f4be327e33d83ae71a08528f54d84f4eec2ce0b2918fe1a1d413aa261306d57c3ba474b2a48c94989ee0cfe1ef8889c
SHA1 hash: 08b732b555bba38b87d58cae21619e025fb25aac
MD5 hash: 1e8dfade6e3f0ae965fc86012ca1a9bd
humanhash: football-asparagus-iowa-floor
File name:InstallerV31751.exe
Download: download sample
Signature CNBackdoor
Create hunting rule
File size:15'133'696 bytes
First seen:2026-08-25 19:25:06 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:xlScKy14TD2hX4h7Dkh9nBKW0K1ZmuaZMkyJ+:xxKy6w4tohtBKwsZMkyJ+
TLSH T1C0E633EA9B3AC8D4EC9A1A7599F4C2651617F17D78E6F2F29988D310C968D300C32F74
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 70e8ccf0d4dcdcdc (2 x CNBackdoor)
Reporter aachum
Tags:CNBackdoor exe


Avatar
iamaachum
https://dl89sfilesbase.top/downloads/A5Tgn9RbL/Packed

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
126
Origin country :
ES ES
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/82775/
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/6a8dec245dbf21065fd77a13/reports/d5c7ac0c-0c8e-40fc-955c-845342a254cd/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/35850fc8c8d89cb0fd8a4d861bf9c19447c7ebb21a378f1d9f16ed4fbbdc9792
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-08-25T11:59:00Z UTC
Last seen:
2026-08-26T04:23:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/35850fc8c8d89cb0fd8a4d861bf9c19447c7ebb21a378f1d9f16ed4fbbdc9792/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c758b711-052b-4b3f-bf1a-d2d14920c71e
Result
Threat name:
n/a
Detection:
malicious
Classification:
spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1963630
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
Antivirus detection for URL or domain
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: 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: 1963630 Sample: InstallerV31751.exe Startdate: 25/08/2026 Architecture: WINDOWS Score: 100 54 tommysbakescodes.ws 2->54 56 tommysbakescodes.cv 2->56 58 tabbysbakescodes.ws 2->58 62 Antivirus detection for URL or domain 2->62 64 Antivirus / Scanner detection for submitted sample 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 9 other signatures 2->68 10 InstallerV31751.exe 2 2->10         started        14 rundll32.exe 2->14         started        signatures3 process4 file5 46 C:\Users\user\...46otesUpdaterPath.exe, PE32+ 10->46 dropped 48 C:\Users\user\...\InstallerV31751.exe.log, CSV 10->48 dropped 72 Detected unpacking (changes PE section rights) 10->72 74 Suspicious powershell command line found 10->74 76 Tries to detect sandboxes and other dynamic analysis tools (window names) 10->76 78 5 other signatures 10->78 16 powershell.exe 12 10->16         started        18 powershell.exe 23 10->18         started        signatures6 process7 signatures8 21 NotesUpdaterPath.exe 12 16->21         started        25 conhost.exe 16->25         started        60 Loading BitLocker PowerShell Module 18->60 27 WmiPrvSE.exe 18->27         started        29 conhost.exe 18->29         started        process9 file10 40 C:\Users\user\AppData\...\services.exe, PE32+ 21->40 dropped 42 C:\Users\user\AppData\Roaming\...\pcwutl.dll, PE32+ 21->42 dropped 44 C:\Users\user\AppData\Roaming\...\dosvc.dll, PE32+ 21->44 dropped 70 Drops PE files with benign system names 21->70 31 cmd.exe 21->31         started        33 services.exe 14 2 21->33         started        signatures11 process12 dnsIp13 36 conhost.exe 31->36         started        38 timeout.exe 31->38         started        50 tommysbakescodes.ws 172.67.148.26, 443, 49711, 49712 CLOUDFLARENET-CloudflareIncUS Canada 33->50 52 tabbysbakescodes.ws 172.67.186.189, 443, 49713, 49714 CLOUDFLARENET-CloudflareIncUS Canada 33->52 process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/35850fc8c8d89cb0fd8a4d861bf9c19447c7ebb21a378f1d9f16ed4fbbdc9792
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/1e8dfade6e3f0ae965fc86012ca1a9bd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/35850fc8c8d89cb0fd8a4d861bf9c19447c7ebb21a378f1d9f16ed4fbbdc9792/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gwcq7sgi3colb7mkjwdbx6obsrd4p25sdi3y6hm7c3wu7o64s6ja._file
Verdict:
malicious
Label(s):
PureCrypter
Create hunting rule
Link:
https://reports.threatray.com/6b09bff6-9247-402e-a546-49a23bd3190c
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion execution persistence privilege_escalation themida trojan
Link:
https://tria.ge/reports/260825-x44sbaybjb/
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:
35850fc8c8d89cb0fd8a4d861bf9c19447c7ebb21a378f1d9f16ed4fbbdc9792
MD5 hash:
1e8dfade6e3f0ae965fc86012ca1a9bd
SHA1 hash:
08b732b555bba38b87d58cae21619e025fb25aac
Link:
https://www.unpac.me/results/9b5c7481-57ae-43a5-8e4f-fceba4c7c5dc/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.44
Link:
https://yomi.yoroi.company/submissions/35850fc8c8d89cb0fd8a4d861bf9c19447c7ebb21a378f1d9f16ed4fbbdc9792

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 0ecf67573dd428c50ced01ff83d1fd658470f6727cb95ace325be1a6f49ac255

CNBackdoor

Executable exe 35850fc8c8d89cb0fd8a4d861bf9c19447c7ebb21a378f1d9f16ed4fbbdc9792

(this sample)

  
Link
https://tria.ge/260825-w96nesdn4y/behavioral2
  
Dropped by
SHA256 0ecf67573dd428c50ced01ff83d1fd658470f6727cb95ace325be1a6f49ac255
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/82775/
  
Dropped by
MD5 ce74a969a3a640a02bedc9aae51bc20e

Comments