MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a99d2210c8b7a4b9c3a57c0100741b183de45eab668bb6df1d20e28f4335f68d. 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:	a99d2210c8b7a4b9c3a57c0100741b183de45eab668bb6df1d20e28f4335f68d
SHA3-384 hash:	7e3729bc452f9f68b5307fa31268ec6bab036d35b33c2ec491e728b90cf22511772534e86f26a5076a396ccaeaa9fbed
SHA1 hash:	4565015d33730ed0a98c407ca59233d012187a6f
MD5 hash:	6081b8643ab0bb47805ed0f06b93f5d3
humanhash:	indigo-juliet-oscar-high
File name:	SCAN_003881610041_16-09-2025.js
Download:	download sample
Signature	RemcosRAT Alert Create hunting rule
File size:	2'495 bytes
First seen:	2025-09-16 13:17:36 UTC
Last seen:	Never
File type:	js
MIME type:	text/plain
ssdeep	48:2X/r2gih5TOzijtpxX822NFckxwFkc8fjP6gCu+TEXXkokaOtQXFEYRv/y:Eygih5TOziSxwWc4jPt6y0L6VLdy
TLSH	T10A5183CC3F80F0D60356A977CD1F48AEE625CC15555BE608E213F4E53D683BAA36BA24
Magika	javascript
Reporter	abuse_ch
Tags:	js RemcosRAT

Intelligence

---

File Origin

# of uploads :

1

# of downloads :

93

Origin country :

SE

Vendor Threat Intelligence

CyberFortress Malicious

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68c9423ae579c633a4b5a005

Tags:

loveletter emotet

FileScan.IO Likely Malicious

Verdict:

Likely Malicious

Threat level:

  7.5/10

Confidence:

100%

Tags:

base64 evasive lolbin obfuscated regasm

Link:

https://www.filescan.io/uploads/68c963b9dbc6f5a29c479c85/reports/13fc638d-a2ea-4e98-b35d-a3101b813ff5/overview

Hybrid Analysis Trojan.Script.Heuristic

Verdict:

Suspicious

Labled as:

Trojan.Script.Heuristic

Link:

https://www.hybrid-analysis.com/sample/a99d2210c8b7a4b9c3a57c0100741b183de45eab668bb6df1d20e28f4335f68d

Kaspersky OpenTIP Malicious

Verdict:

Malicious

File Type:

js

First seen:

2025-09-16T06:47:00Z UTC

Last seen:

2025-09-16T06:47:00Z UTC

Hits:

~1000

Detections:

Backdoor.Win32.Remcos.f HEUR:Trojan-Downloader.Script.Generic HEUR:Trojan.Script.Badur.genw HEUR:Trojan.MSIL.Convagent.gen Exploit.Win32.BypassUAC.sb Backdoor.Win32.Remcos.sb HEUR:Trojan.Script.Generic Trojan-PSW.Win32.Stealer.sb Trojan-Downloader.JS.Cryptoload.sb Trojan-Downloader.Agent.HTTP.C&C Trojan.Win32.Inject.sb HEUR:Trojan.Win32.Generic Trojan-Downloader.JS.SLoad.sb

Link:

https://opentip.kaspersky.com/a99d2210c8b7a4b9c3a57c0100741b183de45eab668bb6df1d20e28f4335f68d/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/1778505

Signature

.NET source code contains method to dynamically call methods (often used by packers)

.NET source code contains very large strings

Antivirus detection for dropped file

Antivirus detection for URL or domain

Benign windows process drops PE files

C2 URLs / IPs found in malware configuration

Found malware configuration

JavaScript file contains suspicious strings

JavaScript source code contains functionality to generate code involving a shell, file or stream

JavaScript source code contains functionality to generate code involving HTTP requests or file downloads

Joe Sandbox ML detected suspicious sample

JScript performs obfuscated calls to suspicious functions

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Sigma detected: Script Initiated Connection to Non-Local Network

Sigma detected: WScript or CScript Dropper

Suricata IDS alerts for network traffic

Suspicious execution chain found

System process connects to network (likely due to code injection or exploit)

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

Yara detected Generic JS Downloader

Yara detected Remcos RAT

Behaviour

Behavior Graph:

Download SVG

Nucleon Malprob Malware

Score:

99%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/a99d2210c8b7a4b9c3a57c0100741b183de45eab668bb6df1d20e28f4335f68d

Malva.RE

Gathering data

CERT.PL MWDB remcos

Detection:

remcos

Alert

Create hunting rule

Link:

https://mwdb.cert.pl/sample/a99d2210c8b7a4b9c3a57c0100741b183de45eab668bb6df1d20e28f4335f68d/

Neiki Family.REMCOS

Verdict:

Malicious

Threat:

Family.REMCOS

Link:

https://tip.neiki.dev/file/a99d2210c8b7a4b9c3a57c0100741b183de45eab668bb6df1d20e28f4335f68d

ReversingLabs TitaniumCloud Script-JS.Downloader.AgentTesla

Threat name:

Script-JS.Downloader.AgentTesla

Alert

Create hunting rule

Status:

Malicious

First seen:

2025-09-16 10:21:33 UTC

File Type:

Text (JavaScript)

AV detection:

11 of 24 (45.83%)

Threat level:

  3/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=vgoseegiw6sltq5fpqaqa5a3da66ixvlm2f3nxy5edri6qzv62gq._file

Threatray admintool_mailpassview darkcloudstealer nirsoft remcos

Verdict:

malicious

Label(s):

admintool_mailpassview

Alert

Create hunting rule

darkcloudstealer

Alert

Create hunting rule

nirsoft

Alert

Create hunting rule

remcos

Alert

Create hunting rule

Hatching Triage Malicious

Result

Malware family:

n/a

Score:

  8/10

Tags:

discovery execution

Link:

https://tria.ge/reports/250916-qj9z9scr6w/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Command and Scripting Interpreter: JavaScript

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Checks computer location settings

Executes dropped EXE

Badlisted process makes network request

VMRay DarkCloud

Malware family:

DarkCloud

Alert

Create hunting rule

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/a99d2210c8b7/report/overview.html

VirusTotal

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

YOROI YOMI Malicious File

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/a99d2210c8b7a4b9c3a57c0100741b183de45eab668bb6df1d20e28f4335f68d