MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d872fb69478061e10c17098b85bb8009ce29ee8d72a609feb91e16d2b8d35c62. 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


Mofksys


Vendor detections: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d872fb69478061e10c17098b85bb8009ce29ee8d72a609feb91e16d2b8d35c62
SHA3-384 hash: e43c7df35f7a35b7e9f5b99dfe0b18ff1cc83a7aca1d91c14299aae9893d972e434826d3ac679599cbc15dd7549b71d9
SHA1 hash: 365369090fdac33a061a93cf8be18ee20daf4e9f
MD5 hash: a3fe00cde422872091671e257b561cce
humanhash: magazine-cup-oregon-early
File name:Vessel Details.js
Download: download sample
Signature Mofksys
Create hunting rule
File size:2'546'997 bytes
First seen:2026-07-15 07:23:43 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 24576:FOBXYTY4c+vDUy78Y5Y58/jATDA40O09HRd/QSZVF444Akf4aM69qLycTInQcJ/Q:kEc+bUqysPPFF44Z7/quIQCp9Q
TLSH T18BC5F2105FC86F7B86AC0A18D07F165EF3E106891457ACCAEF637D4AAFA970091271F9
Magika javascript
Reporter abuse_ch
Tags:js Mofksys

Intelligence

File Origin
# of uploads :
1
# of downloads :
149
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.32641.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.26492.JsHeur.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a57363db3055706bb554be8
Tags:
vmdetect autorun
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm obfuscated repaired
Link:
https://www.filescan.io/uploads/6a5736710c1553cf28a24bc2/reports/d0c20bf3-2915-4547-914a-92dca857f58b/overview
Verdict:
Malicious
Labled as:
TrojanDropper/JS.Agent
Link:
https://www.hybrid-analysis.com/sample/d872fb69478061e10c17098b85bb8009ce29ee8d72a609feb91e16d2b8d35c62
Verdict:
Malicious
File Type:
js
First seen:
2026-07-14T23:03:00Z UTC
Last seen:
2026-07-17T05:17:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/d872fb69478061e10c17098b85bb8009ce29ee8d72a609feb91e16d2b8d35c62/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1942688
Signature
Bypasses PowerShell execution policy
Creates autostart registry keys with suspicious values (likely registry only malware)
Found suspicious powershell code related to unpacking or dynamic code loading
JavaScript file contains suspicious strings
JavaScript source code contains functionality to generate code involving a shell, file or stream
Joe Sandbox ML detected suspicious sample
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1942688 Sample: Vessel Details.js Startdate: 15/07/2026 Architecture: WINDOWS Score: 100 41 Malicious sample detected (through community Yara rule) 2->41 43 Yara detected Powershell decode and execute 2->43 45 JavaScript source code contains functionality to generate code involving a shell, file or stream 2->45 47 5 other signatures 2->47 7 wscript.exe 2 4 2->7         started        10 powershell.exe 2->10         started        12 powershell.exe 19 2->12         started        14 powershell.exe 20 2->14         started        process3 signatures4 49 JScript performs obfuscated calls to suspicious functions 7->49 51 Suspicious powershell command line found 7->51 53 Wscript starts Powershell (via cmd or directly) 7->53 55 4 other signatures 7->55 16 powershell.exe 15 7->16         started        19 conhost.exe 10->19         started        21 aspnet_compiler.exe 10->21         started        23 aspnet_compiler.exe 10->23         started        29 3 other processes 10->29 25 conhost.exe 12->25         started        27 conhost.exe 1 14->27         started        process5 signatures6 39 Found suspicious powershell code related to unpacking or dynamic code loading 16->39 31 conhost.exe 16->31         started        33 aspnet_compiler.exe 16->33         started        35 aspnet_compiler.exe 16->35         started        37 3 other processes 16->37 process7
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/d872fb69478061e10c17098b85bb8009ce29ee8d72a609feb91e16d2b8d35c62
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d872fb69478061e10c17098b85bb8009ce29ee8d72a609feb91e16d2b8d35c62/
Threat name:
Script-JS.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2026-07-15 02:36:59 UTC
File Type:
Text (JavaScript)
AV detection:
7 of 24 (29.17%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3bzpw2khqbq6cdaxbgfylo4abhhct3unoktat7vzdylnfogtlrra._file
Result
Malware family:
mofksys
Create hunting rule
Score:
  10/10
Tags:
family:mofksys discovery execution persistence worm
Link:
https://tria.ge/reports/260715-h9ctfshw9x/
Behaviour
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
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Command and Scripting Interpreter: PowerShell
Detects Mofksys worm
Family: Mofksys
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/d872fb69478061e10c17098b85bb8009ce29ee8d72a609feb91e16d2b8d35c62

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:Base64_Encoded_Powershell_Directives
Create hunting rule
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Comments