MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a34cbf303f2b2df21ed42eb7b64d04efd712aef07e3c003d41382d02f4a64202. 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:	a34cbf303f2b2df21ed42eb7b64d04efd712aef07e3c003d41382d02f4a64202
SHA3-384 hash:	ad2edc415b47cfe3f791ac0bae188ab5aed519e430ae0c63670308fe298ff41b498e784faba0d7cb911533a73a795334
SHA1 hash:	c26c9b910aca55b18397e7cacc887c8dc48095ed
MD5 hash:	99c70cf12a173bcbb5be53f439b5d9b9
humanhash:	papa-fifteen-two-fillet
File name:	BL 208268807.js
Download:	download sample
Signature	RemcosRAT Alert Create hunting rule
File size:	5'470'950 bytes
First seen:	2026-09-30 08:27:45 UTC
Last seen:	Never
File type:	js
MIME type:	text/plain
ssdeep	384:XnVPkkRl2IafPgOpWEkyknBNZIdM2N7B8MYoujgE7RqO/KLa+zDpdHoWfoeFe8pm:XDoOCtej
TLSH	T1F3464B9738599E27E211D6FE71E0D0B35EAB3291D531537184032F2CCDAB863E93B1A9
TrID	66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1) 33.3% (.MP3) MP3 audio (1000/1)
Magika	txt
Reporter	abuse_ch
Tags:	js RemcosRAT

Intelligence

---

File Origin

# of uploads :

1

# of downloads :

160

Origin country :

SE

Vendor Threat Intelligence

ACCE Unknown

No detections

FileScan.IO Suspicious

Verdict:

Suspicious

Threat level:

  5/10

Confidence:

100%

Tags:

repaired

Link:

https://www.filescan.io/uploads/6abcc82d555bdf8636f50a53/reports/2820279a-3fda-468d-b747-82083228b42d/overview

Hybrid Analysis JS.Loader.1.Generic

Verdict:

Malicious

Labled as:

JS.Loader.1.Generic

Link:

https://www.hybrid-analysis.com/sample/a34cbf303f2b2df21ed42eb7b64d04efd712aef07e3c003d41382d02f4a64202

Kaspersky OpenTIP Malicious

Verdict:

Malicious

File Type:

js

First seen:

2026-09-30T01:13:00Z UTC

Last seen:

2026-09-30T05:09:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/a34cbf303f2b2df21ed42eb7b64d04efd712aef07e3c003d41382d02f4a64202/results?tab=lookup

Joe Sandbox Remcos

Result

Threat name:

Remcos

Alert

Create hunting rule

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1979878

Signature

Allocates memory in foreign processes

Antivirus detection for URL or domain

Attempt to bypass Chrome Application-Bound Encryption

Bypasses PowerShell execution policy

C2 URLs / IPs found in malware configuration

Contains functionality to bypass UAC (CMSTPLUA)

Contains functionality to inject threads in other processes

Contains functionality to steal Internet Explorer form passwords

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 evasive API chain checking for user administrative privileges

Found hidden mapped module (file has been removed from disk)

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)

Maps a DLL or memory area into another process

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 Data Stealing Via Chromium Headless Debugging

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

Switches to a custom stack to bypass stack traces

Tries to detect sandboxes / dynamic malware analysis system (Installed program check)

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Mail credentials (via file registry)

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/a34cbf303f2b2df21ed42eb7b64d04efd712aef07e3c003d41382d02f4a64202/

ReversingLabs TitaniumCloud Script-JS.Trojan.Generic

Threat name:

Script-JS.Trojan.Generic

Alert

Create hunting rule

Status:

Suspicious

First seen:

2026-09-30 04:17:23 UTC

File Type:

Binary

AV detection:

9 of 36 (25.00%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ungl6mb7fmw7ehwuf233mtie57lrflxqpy6aapkbhawqf5fgiiba._file

Hatching Triage Malicious

Result

Malware family:

n/a

Score:

  10/10

Tags:

discovery execution persistence privilege_escalation

Link:

https://tria.ge/reports/260930-kc6flsyv7p/

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/a34cbf303f2b2df21ed42eb7b64d04efd712aef07e3c003d41382d02f4a64202