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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f646bcabf42a7a2263ae5eab683b5e53bafd01f4c116193a4211dca8ad9ef055. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f646bcabf42a7a2263ae5eab683b5e53bafd01f4c116193a4211dca8ad9ef055
SHA3-384 hash: 3f929b8f91f97870d6d4fe2d68e266642bcc8ba27507454474fa27118034ccc4b269ffe2af96616f3f931f7a8bcc95c4
SHA1 hash: 7dcb62f8a9c502b2a7efe6c55ec0ef32d86d008c
MD5 hash: 08641397bc425e973b82f7842eaceedf
humanhash: carolina-iowa-fish-pluto
File name:invoice-1645080830.pdf (26).js
Download: download sample
Signature XWorm
Create hunting rule
File size:22'123'546 bytes
First seen:2026-04-29 09:40:43 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 49152:dKwKhKpKsKmK0KtKrKXKzKxKaA4CqKuKYKxKJKfA4CLK4K/K4KJKqKNK9KZKEKYb:j
TLSH T1CD27232EE5BCAE7D069562BC18E24ECA06FC09410679C5F1F3DABC0E5A4DB65309B17C
Magika javascript
Reporter JAMESWT_WT
Tags:js xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
126
Origin country :
IT IT
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Labled as:
PowerShell/TrojanDownloader.Agent
Link:
https://www.hybrid-analysis.com/sample/f646bcabf42a7a2263ae5eab683b5e53bafd01f4c116193a4211dca8ad9ef055
Verdict:
Malicious
File Type:
js
First seen:
2026-04-29T07:27:00Z UTC
Last seen:
2026-04-29T08:55:00Z UTC
Hits:
~100
Detections:
HEUR:Trojan.Script.Generic HEUR:Trojan.Script.Alien.gen Trojan.PowerShell.Agent.sb Trojan.MSIL.Dnoper.sb Trojan-Downloader.PowerShell.Agent.sb PDM:Trojan.Win32.Generic HEUR:Trojan-Dropper.Win32.Agent.sb NetTool.PowerShellGet.HTTP.C&C NetTool.PowerShellUA.HTTP.C&C
Link:
https://opentip.kaspersky.com/f646bcabf42a7a2263ae5eab683b5e53bafd01f4c116193a4211dca8ad9ef055/results?tab=lookup
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/f646bcabf42a7a2263ae5eab683b5e53bafd01f4c116193a4211dca8ad9ef055
Gathering data
Gathering data
Verdict:
Malicious
Threat:
NetTool.PowerShellUA.HTTP
Link:
https://tip.neiki.dev/file/f646bcabf42a7a2263ae5eab683b5e53bafd01f4c116193a4211dca8ad9ef055
Threat name:
Script-JS.Trojan.Xworm
Create hunting rule
Status:
Malicious
First seen:
2026-04-29 09:02:41 UTC
File Type:
Text (JavaScript)
AV detection:
6 of 24 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6zdlzk7ufj5cey5ol2vwqo26ko5p2apuyelbsoscchokrlm66bkq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
adware discovery execution persistence spyware
Link:
https://tria.ge/reports/260429-lqfb1sh12z/
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/f646bcabf42a7a2263ae5eab683b5e53bafd01f4c116193a4211dca8ad9ef055

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)

File information

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

Comments