MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b35455cad92986d46a0122a606d621c856af5cfe16a755163c38ab24a62938a2. 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



PureHVNC


Vendor detections: 14


Intelligence 14 IOCs YARA 8 File information Comments

SHA256 hash: b35455cad92986d46a0122a606d621c856af5cfe16a755163c38ab24a62938a2
SHA3-384 hash: c2946cfd73e7b33980b6e77629d0fd51e3670dbc3ae6205c8a7347adac0194d248bb3b39b82eb805fed4d78490ee7470
SHA1 hash: 9588943d24b52a05722f0c5b56a091f6f6932ba9
MD5 hash: 82513413008f2a90f4921b212a53e5ac
humanhash: ten-summer-oven-north
File name:Installer_v193_x64.exe
Download: download sample
Signature PureHVNC
File size:5'299'712 bytes
First seen:2025-09-27 09:54:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a56f115ee5ef2625bd949acaeec66b76 (53 x Stealc, 48 x PureHVNC, 33 x CoinMiner)
ssdeep 98304:fWiBa+C4SmdefjzsQtLW6fQH/NAH3E6ACQdFkRolxeJ:ZHtdef3eH/SH3E6bQdFtlx
TLSH T1AC3633B6B6A0561ECE6B06F5B215A5AA3CC036AD58D39D1C20F5A33DE70E523F493133
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
Reporter aachum
Tags:exe purecrypter PureHVNC winautordr-hopto-org


Avatar
iamaachum
https://dl7filesbase.top/downloads/apps/Hdh3g9bR/AppSetup.rar

PureHVNC C2: winautordr.hopto.org

Intelligence


File Origin
# of uploads :
1
# of downloads :
93
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Installer_v193_x64.exe
Verdict:
Malicious activity
Analysis date:
2025-09-27 09:57:11 UTC
Tags:
themida netreactor purecrypter loader auto-sch-xml purehvnc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
xtreme shell virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for analyzing tools
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %temp% directory
Launching a process
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Creating a process with a hidden window
Creating a file
Unauthorized injection to a recently created process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed themidawinlicense
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-09-27T02:08:00Z UTC
Last seen:
2025-09-27T02:08:00Z UTC
Hits:
~10
Detections:
PDM:Trojan.Win32.Generic HEUR:Trojan.MSIL.InjectorNetT.gen UDS:DangerousObject.Multi.Generic Trojan.MSIL.InjectorNetT.br
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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 dropped file
Bypasses PowerShell execution policy
Connects to many ports of the same IP (likely port scanning)
Detected unpacking (changes PE section rights)
Found direct / indirect Syscall (likely to bypass EDR)
Hides threads from debuggers
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1785141 Sample: Installer_v193_x64.exe Startdate: 27/09/2025 Architecture: WINDOWS Score: 100 56 winautordr.hopto.org 2->56 66 Antivirus / Scanner detection for submitted sample 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 Yara detected AntiVM3 2->70 72 10 other signatures 2->72 10 Installer_v193_x64.exe 4 2->10         started        14 BinaryLength.exe 2->14         started        16 BinaryLength.exe 2->16         started        18 powershell.exe 21 2->18         started        signatures3 process4 file5 52 C:\Users\user\...\InstllModule5731802.exe, PE32+ 10->52 dropped 54 C:\Users\user\...\Installer_v193_x64.exe.log, CSV 10->54 dropped 78 Detected unpacking (changes PE section rights) 10->78 80 Suspicious powershell command line found 10->80 82 Query firmware table information (likely to detect VMs) 10->82 98 6 other signatures 10->98 20 powershell.exe 12 10->20         started        22 powershell.exe 23 10->22         started        84 Antivirus detection for dropped file 14->84 86 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 14->86 88 Writes to foreign memory regions 14->88 25 InstallUtil.exe 14->25         started        90 Modifies the context of a thread in another process (thread injection) 16->90 92 Sample uses process hollowing technique 16->92 94 Injects a PE file into a foreign processes 16->94 28 InstallUtil.exe 16->28         started        96 Loading BitLocker PowerShell Module 18->96 30 conhost.exe 18->30         started        signatures6 process7 dnsIp8 32 InstllModule5731802.exe 9 20->32         started        36 conhost.exe 20->36         started        74 Loading BitLocker PowerShell Module 22->74 38 conhost.exe 22->38         started        58 winautordr.hopto.org 45.153.34.13, 49720, 49721, 58007 SKYLINKNL Germany 25->58 76 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 25->76 signatures9 process10 file11 48 C:\Users\user\AppData\...\BinaryLength.exe, PE32+ 32->48 dropped 50 C:\...\30b3356e90bd4c1893c835a45c4b3f24.xml, XML 32->50 dropped 60 Antivirus detection for dropped file 32->60 62 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 32->62 64 Uses schtasks.exe or at.exe to add and modify task schedules 32->64 40 schtasks.exe 1 32->40         started        42 schtasks.exe 1 32->42         started        signatures12 process13 process14 44 conhost.exe 40->44         started        46 conhost.exe 42->46         started       
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.Generic
Status:
Suspicious
First seen:
2025-09-27 09:55:40 UTC
File Type:
PE+ (Exe)
Extracted files:
3
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion execution persistence themida trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Themida packer
Command and Scripting Interpreter: PowerShell
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Unpacked files
SH256 hash:
b35455cad92986d46a0122a606d621c856af5cfe16a755163c38ab24a62938a2
MD5 hash:
82513413008f2a90f4921b212a53e5ac
SHA1 hash:
9588943d24b52a05722f0c5b56a091f6f6932ba9
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:HeavensGate
Author:kevoreilly
Description:Heaven's Gate: Switch from 32-bit to 64-mode
Rule name:INDICATOR_EXE_Packed_Themida
Author:ditekSHen
Description:Detects executables packed with Themida
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:Sus_CMD_Powershell_Usage
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

PureHVNC

Executable exe b35455cad92986d46a0122a606d621c856af5cfe16a755163c38ab24a62938a2

(this sample)

  
Delivery method
Distributed via web download

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