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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 051fbc556893b59270e63cbbd2fcb18ca1a8d8c28cb791d6563c408535a55e90. 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


Threat unknown


Vendor detections: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 051fbc556893b59270e63cbbd2fcb18ca1a8d8c28cb791d6563c408535a55e90
SHA3-384 hash: 7c4ea51d4185a08cb994cc8c304d5e66f5bd247302441534ebd5d11da7bafb5c6495ec14b875dc38235d9acf51b18c7e
SHA1 hash: acf61303bdec1c5715dc8538b09c5085a86fce42
MD5 hash: 8de4893e0d37a176c9028b270c07a21a
humanhash: dakota-alanine-kansas-washington
File name:Photo_Viewer.hta
Download: download sample
File size:18'394 bytes
First seen:2026-10-07 12:31:27 UTC
Last seen:Never
File type:HTML Application (hta) hta
MIME type:text/html
ssdeep 192:S4cDs8j7LxA12eycYHty5YRdit3vbk7KYt8gi6PGC7ni2p75xlg06P:5cP7Lm12vfNy5GwQ7KbO7nRp7TlG
TLSH T188822B3F080549B6B33197F3EA9F6004FE9294DB5AD9C2DC78ADA11E6F311A4053A5E3
TrID 62.5% (.SMI/SMIL) Synchronized Multimedia Integration Language (5001/2/2)
37.4% (.HTML) HyperText Markup Language (3000/1/1)
Magika html
Reporter smica83
Tags:hta

Intelligence

File Origin
# of uploads :
1
# of downloads :
108
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ad03b5b6f551121ba15a91e
Tags:
dropper virus
Result
Verdict:
Malicious
File Type:
HTA File - Malicious
Link:
https://app.docguard.net/051fbc556893b59270e63cbbd2fcb18ca1a8d8c28cb791d6563c408535a55e90/results/dashboard
Payload URLs
URL
File name
https://hardly-signatures-loc-surf.trycloudflare.com/download/WindowsUpdate.ps1
HTA File
Behaviour
BlacklistAPI detected
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm fingerprint obfuscated
Link:
https://www.filescan.io/uploads/6ac63c448a5068eadfb26019/reports/1ef7cfd6-5da5-41cb-86e5-b61e6d6bf7e5/overview
Verdict:
Suspicious
Labled as:
Decoder.JS
Link:
https://www.hybrid-analysis.com/sample/051fbc556893b59270e63cbbd2fcb18ca1a8d8c28cb791d6563c408535a55e90
Verdict:
Malicious
File Type:
hta
First seen:
2026-10-07T11:19:00Z UTC
Last seen:
2026-10-09T10:03:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/051fbc556893b59270e63cbbd2fcb18ca1a8d8c28cb791d6563c408535a55e90/results?tab=lookup
Result
Threat name:
TrojanRansom
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1983522
Signature
Adds a directory exclusion to Windows Defender
AI detected malicious Powershell script
Bypasses PowerShell execution policy
Found pyInstaller with non standard icon
Found suspicious powershell code related to unpacking or dynamic code loading
Hides that the sample has been downloaded from the Internet (zone.identifier)
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Powershell connects to network
Powershell drops PE file
Sigma detected: Legitimate Application Dropped Script
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious MSHTA Child Process
Suspicious powershell command line found
Uses cmd line tools excessively to alter registry or file data
Uses schtasks.exe or at.exe to add and modify task schedules
Uses whoami command line tool to query computer and username
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Yara detected TrojanRansom
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1983522 Sample: Photo_Viewer.hta Startdate: 07/10/2026 Architecture: WINDOWS Score: 100 132 hardly-signatures-loc-surf.trycloudflare.com 2->132 134 dualstack.python.map.fastly.net 2->134 136 www.python.org 2->136 150 Malicious sample detected (through community Yara rule) 2->150 152 Multi AV Scanner detection for dropped file 2->152 154 Yara detected TrojanRansom 2->154 156 7 other signatures 2->156 11 mshta.exe 5 2->11         started        signatures3 process4 dnsIp5 138 hardly-signatures-loc-surf.trycloudflare.com 104.16.231.132, 443, 49718, 49719 CLOUDFLARENET-CloudflareIncUS Canada 11->138 124 C:\Users\user\AppData\Local\...\ra_hta.ps1, ASCII 11->124 dropped 170 Suspicious powershell command line found 11->170 172 Bypasses PowerShell execution policy 11->172 16 powershell.exe 15 133 11->16         started        21 powershell.exe 11->21         started        23 powershell.exe 11->23         started        file6 signatures7 process8 dnsIp9 126 dualstack.python.map.fastly.net 151.101.128.223, 443, 49744, 49758 FASTLY-FastlyIncUS Canada 16->126 128 10.0.2.2, 9443 unknown unknown 16->128 130 5 other IPs or domains 16->130 100 C:\Users\user\AppData\Local\...\winsound.pyd, PE32+ 16->100 dropped 102 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 16->102 dropped 104 C:\Users\user\AppData\...\vcruntime140.dll, PE32+ 16->104 dropped 106 31 other malicious files 16->106 dropped 140 Uses cmd line tools excessively to alter registry or file data 16->140 142 Found suspicious powershell code related to unpacking or dynamic code loading 16->142 144 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->144 146 Powershell drops PE file 16->146 25 WinScvHost.exe 16->25         started        29 python.exe 16->29         started        39 6 other processes 16->39 148 Powershell connects to network 21->148 31 WinScvHost.exe 21->31         started        33 python.exe 21->33         started        35 python.exe 21->35         started        41 3 other processes 21->41 37 python.exe 23->37         started        43 2 other processes 23->43 file10 signatures11 process12 file13 108 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 25->108 dropped 110 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 25->110 dropped 112 C:\Users\user\AppData\Local\...\python314.dll, PE32+ 25->112 dropped 120 15 other malicious files 25->120 dropped 158 Suspicious powershell command line found 25->158 160 Uses schtasks.exe or at.exe to add and modify task schedules 25->160 162 Adds a directory exclusion to Windows Defender 25->162 164 Found pyInstaller with non standard icon 25->164 45 WinScvHost.exe 25->45         started        48 conhost.exe 29->48         started        114 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 31->114 dropped 116 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 31->116 dropped 118 C:\Users\user\AppData\Local\...\python314.dll, PE32+ 31->118 dropped 122 15 other malicious files 31->122 dropped 50 WinScvHost.exe 31->50         started        56 3 other processes 33->56 58 2 other processes 35->58 166 Uses cmd line tools excessively to alter registry or file data 37->166 168 Uses whoami command line tool to query computer and username 37->168 52 cmd.exe 37->52         started        54 powershell.exe 37->54         started        60 6 other processes 37->60 62 2 other processes 39->62 signatures14 process15 signatures16 174 Suspicious powershell command line found 45->174 176 Adds a directory exclusion to Windows Defender 45->176 178 Uses whoami command line tool to query computer and username 45->178 64 powershell.exe 45->64         started        66 powershell.exe 45->66         started        74 10 other processes 45->74 76 6 other processes 50->76 68 conhost.exe 52->68         started        70 conhost.exe 54->70         started        78 2 other processes 56->78 72 conhost.exe 58->72         started        80 5 other processes 60->80 process17 process18 82 conhost.exe 64->82         started        84 conhost.exe 66->84         started        86 conhost.exe 74->86         started        88 conhost.exe 74->88         started        90 conhost.exe 74->90         started        96 7 other processes 74->96 92 conhost.exe 76->92         started        94 conhost.exe 76->94         started        98 4 other processes 76->98
Score:
79%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/051fbc556893b59270e63cbbd2fcb18ca1a8d8c28cb791d6563c408535a55e90
Verdict:
Malware
YARA:
4 match(es)
Tags:
Base64 Block Contains Base64 Block DeObfuscated Html PowerShell Powershell: Hidden Execution T1027 T1059.001 T1105
Link:
https://app.malva.re/file/8de4893e0d37a176c9028b270c07a21a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/051fbc556893b59270e63cbbd2fcb18ca1a8d8c28cb791d6563c408535a55e90/
Threat name:
Document-HTML.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2026-10-07 10:38:17 UTC
File Type:
Text (HTML)
Extracted files:
4
AV detection:
4 of 24 (16.67%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=aup3yvliso2ze4hghs55f7frrsq2rwgcrs3zdvswhraiknnfl2ia._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion discovery execution persistence
Link:
https://tria.ge/reports/261007-prwbeay14k/
Behaviour
Modifies registry key
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Views/modifies file attributes
Enumerates physical storage devices
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Adds Run key to start application
Enumerates connected drives
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.03
Link:
https://yomi.yoroi.company/submissions/051fbc556893b59270e63cbbd2fcb18ca1a8d8c28cb791d6563c408535a55e90

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:SCRIPT_Dropper_Unknown_ForgeAuto_aaa464f7
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (script_js, etat binaire)
Rule name:SUSP_Script_PowerShell_Hidden_Launcher
Create hunting rule
Author:Marjoriefort
Description:Script (JS/VBS) lancant PowerShell en mode furtif - dropper frais MalwareBazaar
Reference:Veille fraicheur 2026-09-14 / cluster misses web
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.

Comments