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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6638a4454fd5ec8ccc9be876eb31b36ac0a3e6aeaf868e52db81e2ab2cd04440. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6638a4454fd5ec8ccc9be876eb31b36ac0a3e6aeaf868e52db81e2ab2cd04440
SHA3-384 hash: 7b6fbf37ff8e79b0eacc02eb751f9b7f285b1e1e6417af498c99e9e1919753a8570823edc38749f74c4993cb41150e21
SHA1 hash: c90c65a409c6ca2139ed3bc2f3f317433dd7fb03
MD5 hash: 500b042074b2c9d881ec8187a18e534e
humanhash: finch-skylark-thirteen-venus
File name:invoice-1645080830.pdf (12).js
Download: download sample
Signature XWorm
Create hunting rule
File size:22'643'811 bytes
First seen:2026-04-27 07:59:22 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 24576:CQtQkQVQwQGQ8QnQvQvQhQVQLdlwwmQCQpQBQxQYdlwwjQGQHQYQ9QRQ2QlQTQyI:4rKcfT96ivjxna6
TLSH T1B037230A1E3B4C1F0979662658BB170923F1DE42C05DB87C456277ABCDFFA26298781F
Magika javascript
Reporter JAMESWT_WT
Tags:js xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
96
Origin country :
IT IT
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69ef19b451cce3ff703082f2
Tags:
shell agent overt
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/6638a4454fd5ec8ccc9be876eb31b36ac0a3e6aeaf868e52db81e2ab2cd04440
Verdict:
Malicious
File Type:
js
Detections:
HEUR:Trojan.Script.Generic
Link:
https://opentip.kaspersky.com/6638a4454fd5ec8ccc9be876eb31b36ac0a3e6aeaf868e52db81e2ab2cd04440/results?tab=lookup
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/6638a4454fd5ec8ccc9be876eb31b36ac0a3e6aeaf868e52db81e2ab2cd04440
Gathering data
Gathering data
Verdict:
Malicious
Threat:
Family.XWORM
Link:
https://tip.neiki.dev/file/6638a4454fd5ec8ccc9be876eb31b36ac0a3e6aeaf868e52db81e2ab2cd04440
Threat name:
Script.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2026-04-27 07:56:13 UTC
File Type:
Text (JavaScript)
AV detection:
4 of 24 (16.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=my4kirkp2xwizte35b3owmntnlakhzvov6di4uw3qhrkwlgqiraa._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
adware discovery execution persistence spyware
Link:
https://tria.ge/reports/260427-jyghyad15s/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Browser Information Discovery
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Time Discovery
Drops file in Windows directory
ConfuserEx .NET packer
Adds Run key to start application
Checks computer location settings
Badlisted process makes network request
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/6638a4454fd5ec8ccc9be876eb31b36ac0a3e6aeaf868e52db81e2ab2cd04440

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
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)
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb

File information

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

Comments