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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b3733f060fa5ca240f2b9b5e5a33b4b970a42888efddcbecf1b3bb4cf4fee07. 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


XWorm


Vendor detections: 13


Intelligence 13 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b3733f060fa5ca240f2b9b5e5a33b4b970a42888efddcbecf1b3bb4cf4fee07
SHA3-384 hash: cc6bbb08fd4ee78900067c56f2068c44930e9ab2b71dc1e1e6a712a4cfc0b6bcad9d35459131416600039b7ca1051d6b
SHA1 hash: 23aed203ed5cc685c985040fa1dde371716fb786
MD5 hash: a2ad9b4fd62d8065d12de29ade644f83
humanhash: minnesota-mexico-fish-delta
File name:Información de confirmación de pago_________________________pdf.vbs
Download: download sample
Signature XWorm
Create hunting rule
File size:208'084 bytes
First seen:2026-10-29 07:10:51 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 3072:VGWAY6eRDA84f8aWSOqrFJ8sGiFpj1UO17EDCCRgPBWIpYWvaoz/:VG1IRE84fJcqTt+k+CC+oIpYCnz/
TLSH T1B814F1C1BD9132C7D6C528CD5E54C41F438CA0D6AB2EB285FF8F812147BA2A79AF14D6
Magika vba
Reporter abuse_ch
Tags:ESP geo vbs xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
92
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection:
XWorm
Create hunting rule
Link:
https://www.capesandbox.com/analysis/95927/
Detection(s):
SecuriteInfo.com.VB.Trojan.Valyria.11904.81372324.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ae2f1a0b175ade21dce7c5f
Tags:
valyria shell virus sage
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd encrypted fingerprint lolbin lolbin masquerade obfuscated schtasks wscript
Link:
https://www.filescan.io/uploads/6ae2f196f52a8c0a5f1fc848/reports/5bcda20b-0b14-43e3-9c7e-6e3cfde7ff48/overview
Verdict:
Malicious
Labled as:
Valyria
Link:
https://www.hybrid-analysis.com/sample/1b3733f060fa5ca240f2b9b5e5a33b4b970a42888efddcbecf1b3bb4cf4fee07
Verdict:
Malicious
File Type:
vbs
First seen:
2026-10-28T15:57:00Z UTC
Last seen:
2026-10-30T05:03:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/1b3733f060fa5ca240f2b9b5e5a33b4b970a42888efddcbecf1b3bb4cf4fee07/results?tab=lookup
Result
Threat name:
AgentTesla, AveMaria, DarkCloud, DarkTor
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1994477
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected malicious Powershell script
Antivirus detection for dropped file
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Command shell drops VBS files
Connects to many ports of the same IP (likely port scanning)
Contains functionality to hide user accounts
Creates an autostart registry key pointing to binary in C:\Windows
Found malware configuration
Increases the number of concurrent connection per server for Internet Explorer
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential malicious VBS script found (has network functionality)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses dynamic DNS services
Uses known network protocols on non-standard ports
Uses schtasks.exe or at.exe to add and modify task schedules
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript called in batch mode (surpress errors)
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected AveMaria stealer
Yara detected Costura Assembly Loader
Yara detected DarkCloud
Yara detected DarkTortilla Crypter
Yara detected MSIL Injector
Yara detected Telegram RAT
Yara detected UACMe UAC Bypass tool
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1994477 Sample: Informaci#U00f3n de confirm... Startdate: 29/10/2026 Architecture: WINDOWS Score: 100 121 vallxx.duckdns.org 2->121 123 ftp.brightlearning.com.my 2->123 125 10 other IPs or domains 2->125 141 Suricata IDS alerts for network traffic 2->141 143 Found malware configuration 2->143 145 Malicious sample detected (through community Yara rule) 2->145 149 24 other signatures 2->149 11 wscript.exe 2 2->11         started        15 wscript.exe 2 2->15         started        17 MSBuild.exe 2->17         started        19 MSBuild.exe 2->19         started        signatures3 147 Uses dynamic DNS services 121->147 process4 file5 111 C:\Users\user\AppData\Local\...\32ivixs4.log, ASCII 11->111 dropped 175 VBScript performs obfuscated calls to suspicious functions 11->175 177 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->177 179 Suspicious powershell command line found 11->179 183 5 other signatures 11->183 21 wscript.exe 3 11->21         started        181 WScript reads language and country specific registry keys (likely country aware script) 15->181 25 wscript.exe 15->25         started        27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        signatures6 process7 file8 105 C:\Users\user\AppData\...\mfp_x82481.xml, XML 21->105 dropped 107 C:\Users\user\AppData\...\item_33a3888c.ps1, ASCII 21->107 dropped 153 Suspicious powershell command line found 21->153 155 Wscript starts Powershell (via cmd or directly) 21->155 157 Windows Scripting host queries suspicious COM object (likely to drop second stage) 21->157 31 powershell.exe 16 21->31         started        34 cmd.exe 3 21->34         started        37 cmd.exe 2 21->37         started        47 2 other processes 21->47 109 C:\Users\user\AppData\...\data_690cea04.ps1, ASCII 25->109 dropped 159 WScript reads language and country specific registry keys (likely country aware script) 25->159 39 powershell.exe 25->39         started        41 cmd.exe 25->41         started        43 cmd.exe 25->43         started        45 schtasks.exe 25->45         started        signatures9 process10 file11 185 Suspicious execution chain found 31->185 49 RegAsm.exe 17 11 31->49         started        54 conhost.exe 31->54         started        95 C:\Users\user\AppData\...\PhotoStudio.vbs, ASCII 34->95 dropped 187 Command shell drops VBS files 34->187 56 conhost.exe 34->56         started        189 Potential malicious VBS script found (has network functionality) 37->189 58 conhost.exe 37->58         started        60 conhost.exe 39->60         started        62 conhost.exe 41->62         started        64 conhost.exe 43->64         started        66 conhost.exe 47->66         started        68 conhost.exe 47->68         started        signatures12 process13 dnsIp14 115 187.52.45.38, 49742, 56932 VtalBR United States 49->115 117 vallxx.duckdns.org 31.56.19.166, 4689, 49741 LINIVO-LinivoLLCUS Seychelles 49->117 97 C:\Users\user\AppData\Local\Temp\yplilx.exe, PE32 49->97 dropped 99 C:\Users\user\AppData\Local\Temp\ncxtlt.exe, PE32 49->99 dropped 101 C:\Users\user\AppData\Local\Temp\mqppqe.exe, PE32 49->101 dropped 103 2 other malicious files 49->103 dropped 151 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 49->151 70 ahbsbs.exe 49->70         started        74 mqppqe.exe 49->74         started        76 ncxtlt.exe 49->76         started        78 5 other processes 49->78 file15 signatures16 process17 dnsIp18 127 ftp.brightlearning.com.my 103.224.93.245 YEAHHOSTSDNBHD-AS-APYeahhostSdnBhdMY Malaysia 70->127 161 Antivirus detection for dropped file 70->161 163 Multi AV Scanner detection for dropped file 70->163 165 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 70->165 173 4 other signatures 70->173 167 Writes to foreign memory regions 74->167 169 Injects a PE file into a foreign processes 74->169 81 AddInProcess32.exe 74->81         started        171 Contains functionality to hide user accounts 76->171 85 MSBuild.exe 76->85         started        113 C:\Users\user\AppData\Local\Temp\RegAsm.exe, PE32 78->113 dropped 87 conhost.exe 78->87         started        89 cvtres.exe 78->89         started        91 InstallUtil.exe 78->91         started        93 3 other processes 78->93 file19 signatures20 process21 dnsIp22 119 showip.net 162.55.60.2 HETZNER-ASDE Germany 81->119 129 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 81->129 131 Tries to steal Mail credentials (via file / registry access) 81->131 133 Tries to harvest and steal browser information (history, passwords, etc) 81->133 135 Contains functionality to hide user accounts 85->135 137 Creates an autostart registry key pointing to binary in C:\Windows 85->137 139 Increases the number of concurrent connection per server for Internet Explorer 85->139 signatures23
Score:
93%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/1b3733f060fa5ca240f2b9b5e5a33b4b970a42888efddcbecf1b3bb4cf4fee07
Verdict:
Malware
YARA:
1 match(es)
Tags:
COM Behavior Trace DeObfuscated Obfuscated SOS: 0.24 T1027 T1059.005 VBScript
Link:
https://app.malva.re/file/a2ad9b4fd62d8065d12de29ade644f83
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1b3733f060fa5ca240f2b9b5e5a33b4b970a42888efddcbecf1b3bb4cf4fee07/
Threat name:
Text.Trojan.Valyria
Create hunting rule
Status:
Malicious
First seen:
2026-10-28 20:09:50 UTC
File Type:
Text
AV detection:
8 of 36 (22.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dm3th4da7jokeqhsxg26liz3jolququir365zpwpdm53jt2p5ydq._file
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:warzonerat family:xworm collection costura defense_evasion discovery execution infostealer keylogger packer persistence pyinstaller rat spyware stealer trojan upx
Link:
https://tria.ge/reports/261029-hz3l5axw3m/
Behaviour
outlook_office_path
Uses Task Scheduler COM API
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Scheduled Task/Job: Scheduled Task
Kills process with taskkill
System Location Discovery: System Language Discovery
Reads the TCP/IP host and domain name from the registry
Executes a command shell one-liner
Enumerates physical storage devices
Detects Pyinstaller
Enumerates video capture drivers
Costura .NET executable packer
Executes a VBScript file via the Windows Script Host.
Suspicious use of SetThreadContext
UPX packed file
Indicator Removal: File Deletion
Adds Run key to start application
Accesses Microsoft Outlook profiles
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads WinSCP keys stored on the system
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
.NET Reactor proctector
System Binary Proxy Execution: Regsvcs/Regasm
Command and Scripting Interpreter: PowerShell
Family: Xworm
Family: WarzoneRat, AveMaria
Family: AgentTesla
Detect Xworm Payload
Malware Config
C2 Extraction:
vallxx.duckdns.org:4689
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1b3733f060fa5ca240f2b9b5e5a33b4b970a42888efddcbecf1b3bb4cf4fee07

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_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/95927/

Comments