MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bcb28009c43cbbbcd17096f8363d7f756e5843bc36cb03f92f540f306a1fcf6. 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

SHA256 hash:	4bcb28009c43cbbbcd17096f8363d7f756e5843bc36cb03f92f540f306a1fcf6
SHA3-384 hash:	a69415a20f6fc41669a36bdb7bd206b35d0717ec0545dd3fb68f96e54122c14f741a8281ba94fca12296a2f70bf42095
SHA1 hash:	5cf6ad1415a36c185101e6a62c5a3c24c23218a5
MD5 hash:	f6ac45bf6b0c5e4c2406a927b0427251
humanhash:	april-london-connecticut-lima
File name:	FedEx Invoice.js
Download:	download sample
Signature	RemcosRAT Alert Create hunting rule
File size:	5'165'846 bytes
First seen:	2026-09-30 08:27:25 UTC
Last seen:	Never
File type:	js
MIME type:	text/plain
ssdeep	384:KJw+fEtTu8+b7paGzox5TAlE4Tu9CMPl367yYbCeM0O044SFFm3wdcLWhwy8DWGX:Kgs0DFUr++F6+
TLSH	T1EF364CD2B0BAD6F0139157BF3962974B6FEA271B7EDD3600A03320E18C5799BC6645B0
TrID	66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1) 33.3% (.MP3) MP3 audio (1000/1)
Magika	vba
Reporter	abuse_ch
Tags:	FedEx js RemcosRAT

Intelligence

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File Origin

# of uploads :

1

# of downloads :

164

Origin country :

SE

Vendor Threat Intelligence

ACCE Unknown

No detections

CyberFortress

Gathering data

FileScan.IO Suspicious

Verdict:

Suspicious

Threat level:

  5/10

Confidence:

100%

Tags:

masquerade repaired

Link:

https://www.filescan.io/uploads/6abcc829bf3cb816c76c48a8/reports/63905378-66f8-448c-9217-73aefadeadcb/overview

Hybrid Analysis JS.Loader.1.Generic

Verdict:

Malicious

Labled as:

JS.Loader.1.Generic

Link:

https://www.hybrid-analysis.com/sample/4bcb28009c43cbbbcd17096f8363d7f756e5843bc36cb03f92f540f306a1fcf6

Kaspersky OpenTIP Malicious

Verdict:

Malicious

File Type:

js

First seen:

2026-09-29T23:32:00Z UTC

Last seen:

2026-10-02T05:27:00Z UTC

Hits:

~1000

Link:

https://opentip.kaspersky.com/4bcb28009c43cbbbcd17096f8363d7f756e5843bc36cb03f92f540f306a1fcf6/results?tab=lookup

Joe Sandbox Remcos

Result

Threat name:

Remcos

Alert

Create hunting rule

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1979882

Signature

Allocates memory in foreign processes

Antivirus detection for URL or domain

Bypasses PowerShell execution policy

C2 URLs / IPs found in malware configuration

Contains functionality to bypass UAC (CMSTPLUA)

Creates processes via WMI

Detected large data written to user environment variables, potentially indicating payload staging for fileless execution

Detected Remcos RAT

Drops script or batch files to the startup folder

Found malware configuration

Found stalling execution ending in API Sleep call

Injects a PE file into a foreign processes

Malicious sample detected (through community Yara rule)

Modifies the context of a thread in another process (thread injection)

Multi AV Scanner detection for submitted file

Powershell connects to network

Sigma detected: Base64 Encoded PowerShell Command Detected

Sigma detected: Drops script at startup location

Sigma detected: Potential PowerShell Command Line Obfuscation

Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet

Sigma detected: Remcos

Sigma detected: Suspicious Environment Variable Has Been Registered

Sigma detected: WScript or CScript Dropper

Suricata IDS alerts for network traffic

Suspicious execution chain found

Suspicious powershell command line found

Unusual module load detection (module proxying)

Windows Scripting host queries suspicious COM object (likely to drop second stage)

Writes to foreign memory regions

Wscript starts Powershell (via cmd or directly)

Yara detected Remcos RAT

Yara detected UAC Bypass using CMSTP

Behaviour

Behavior Graph:

Download SVG

Malva.RE

Gathering data

CERT.PL MWDB remcos

Detection:

remcos

Alert

Create hunting rule

Link:

https://mwdb.cert.pl/sample/4bcb28009c43cbbbcd17096f8363d7f756e5843bc36cb03f92f540f306a1fcf6/

ReversingLabs TitaniumCloud Win32.Trojan.Ravartar

Threat name:

Win32.Trojan.Ravartar

Alert

Create hunting rule

Status:

Malicious

First seen:

2026-09-30 02:39:38 UTC

File Type:

Binary

AV detection:

10 of 23 (43.48%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=jpfsqae4ipf3xtixbfxygy6x65lolbb3ynwlap4s6vapgbvb7t3a._file

Hatching Triage Malicious

Result

Malware family:

n/a

Score:

  10/10

Tags:

discovery execution persistence privilege_escalation

Link:

https://tria.ge/reports/260930-kc5t3ssdme/

Behaviour

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Command and Scripting Interpreter: JavaScript

Enumerates physical storage devices

Reads the TCP/IP host and domain name from the registry

Enumerates connected drives

Creates a file in the Startup directory

Badlisted process makes network request

Command and Scripting Interpreter: PowerShell

Process spawned unexpected child process

VirusTotal

Please note that we are no longer able to provide a coverage score for Virus Total.

YOROI YOMI Suspicious File

Threat name:

Suspicious File

Score:

0.51

Link:

https://yomi.yoroi.company/submissions/4bcb28009c43cbbbcd17096f8363d7f756e5843bc36cb03f92f540f306a1fcf6