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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 657359b90ff6b4bde81a011ce03cdd45e0f4575b6ec8bc3ecad26f7e0d4a070c. 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: 657359b90ff6b4bde81a011ce03cdd45e0f4575b6ec8bc3ecad26f7e0d4a070c
SHA3-384 hash: 50e2ebfa8db9c91ec2102560d07c6b0027520923a3f964d4a412b270f7a958e4b68180de46daf7bb4950678ebac3fc6d
SHA1 hash: ff03c51ab65811f9fc1edc78127437d0e2a4930e
MD5 hash: a403122be1bc8c5b050c10c86d80e3ff
humanhash: apart-papa-eighteen-finch
File name:invoice-1645080830.pdf (15).js
Download: download sample
Signature XWorm
Create hunting rule
File size:23'164'063 bytes
First seen:2026-04-27 07:51:55 UTC
Last seen:2026-04-27 07:52:01 UTC
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 49152:XpgG9fNmlwYjxmlFU4glabjFeyVETMaAwkAFXzsiPTYcXfqumy+hcJf5wJfrPl0Y:1
TLSH T1CF3723317C345E0D10F8109058AA1F6E67EAEE11D194C8EF4BF2E621DD9DE297027EAD
Magika javascript
Reporter JAMESWT_WT
Tags:js xworm

Intelligence

File Origin
# of uploads :
2
# of downloads :
81
Origin country :
IT IT
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69ef171e4aed15d079310fb5
Tags:
shell agent overt
Verdict:
Suspicious
Labled as:
PowerShell/TrojanDownloader.Agent
Link:
https://www.hybrid-analysis.com/sample/657359b90ff6b4bde81a011ce03cdd45e0f4575b6ec8bc3ecad26f7e0d4a070c
Verdict:
Malicious
File Type:
js
First seen:
2026-04-27T05:33:00Z UTC
Last seen:
2026-04-27T12:58:00Z UTC
Hits:
~10
Detections:
Trojan.Agent.HTTP.C&C HEUR:Trojan.Script.Alien.gen HEUR:Trojan.Script.Generic NetTool.PowerShellUA.HTTP.C&C NetTool.PowerShellGet.HTTP.C&C
Link:
https://opentip.kaspersky.com/657359b90ff6b4bde81a011ce03cdd45e0f4575b6ec8bc3ecad26f7e0d4a070c/results?tab=lookup
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/657359b90ff6b4bde81a011ce03cdd45e0f4575b6ec8bc3ecad26f7e0d4a070c
Gathering data
Gathering data
Verdict:
Malicious
Threat:
Family.XWORM
Link:
https://tip.neiki.dev/file/657359b90ff6b4bde81a011ce03cdd45e0f4575b6ec8bc3ecad26f7e0d4a070c
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mvzvtoip622l32a2aeooapg5ixqpiv23n3elypwk2jxx4dkka4ga._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution persistence
Link:
https://tria.ge/reports/260427-jsyv2agx5l/
Behaviour
Enumerates system info in registry
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 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/657359b90ff6b4bde81a011ce03cdd45e0f4575b6ec8bc3ecad26f7e0d4a070c

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