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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 388839426fedd3bcdbf71122f64029dbe586bbf4e96f610e55238737fd476ffd. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments

SHA256 hash: 388839426fedd3bcdbf71122f64029dbe586bbf4e96f610e55238737fd476ffd
SHA3-384 hash: 17198cfb239207f35bda8812c0cd1d23e991b79e95b4d7b07cb78395abdb19c632485e6593a32d469e40e9b8b2aaead0
SHA1 hash: 7a83860963bd9a6cba0d8d15c81a2c81ca8a94ec
MD5 hash: c0d4aec8008f238032be329f85595080
humanhash: chicken-hawaii-sierra-video
File name:invoice-1645080830.pdf (48).js
Download: download sample
Signature XWorm
File size:22'383'679 bytes
First seen:2026-04-27 07:46:26 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 49152:Jc0clcdcAc0cmcJcxcPczcnc2k+crc6cicGcZkhc/c5c9c6cicpcYcJc6cscmcH+:y
TLSH T14B3723964D4B6F2E5FCD66B710BF0DCF7BA2C54645A4CC87F6B1D80AB42AF18408992C
Magika javascript
Reporter JAMESWT_WT
Tags:js xworm

Intelligence


File Origin
# of uploads :
1
# of downloads :
87
Origin country :
IT IT
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
81.4%
Tags:
trojan shell agent
Verdict:
Suspicious
Labled as:
PowerShell/TrojanDownloader.Agent
Verdict:
Malicious
File Type:
js
First seen:
2026-04-27T05:33:00Z UTC
Last seen:
2026-04-27T12:58:00Z UTC
Hits:
~10
Gathering data
Gathering data
Result
Malware family:
n/a
Score:
  8/10
Tags:
adware discovery execution persistence spyware
Behaviour
Checks processor information in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
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.

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

Comments