MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03fe281c2603a01f649e2f2fc0c800af4d882d4ff0d1a38450198482700e87dd. 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


RemusStealer


Vendor detections: 9


Intelligence 9 IOCs YARA 1 File information Comments
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SHA256 hash: 03fe281c2603a01f649e2f2fc0c800af4d882d4ff0d1a38450198482700e87dd
SHA3-384 hash: 6a7fe2d23e5492c904ae3a2f86bb35afd73067b49a8ec3db08db38f8f7785f30e99acfd6cd42c5930915498fda90b2c3
SHA1 hash: f54d45220084812d825694829ba619d07a2bc559
MD5 hash: 6223ff0e9ca0830f73b555366781ca8e
humanhash: georgia-high-october-johnny
File name:SPA of goods (draft) final 20072026.js
Download: download sample
Signature RemusStealer
Create hunting rule
File size:83'716 bytes
First seen:2026-07-20 10:42:16 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 1536:/tZVc5LUW7cl7gWK7uTAu0P1YXqno3bn/kVp09CAMLHS4UUtQtNSH73d:/HVuDuT4gFrn/kVpqCAMLHzUUtQnSbt
TLSH T198835AB0C9A1057B4F87AB58BCA58660C66D8716853305F0F6CE870C9109DECE779EAB
Magika javascript
Reporter lowmal3
Tags:js RemusStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
157
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.26863.JsHeur.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a5dfb94bcffb2c48cb7a048
Tags:
n/a
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 fingerprint obfuscated powershell repaired
Link:
https://www.filescan.io/uploads/6a5dfb905b6462da78e0df70/reports/0e38d1a7-9973-426e-ad25-a447947b4acb/overview
Verdict:
Suspicious
Labled as:
SVM:TrojanDownloader/JS.MalBehav.gen
Link:
https://www.hybrid-analysis.com/sample/03fe281c2603a01f649e2f2fc0c800af4d882d4ff0d1a38450198482700e87dd
Verdict:
Malicious
File Type:
js
First seen:
2026-07-20T06:41:00Z UTC
Last seen:
2026-07-22T08:26:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/03fe281c2603a01f649e2f2fc0c800af4d882d4ff0d1a38450198482700e87dd/results?tab=lookup
Result
Threat name:
Remcos, GuLoader
Create hunting rule
Detection:
malicious
Classification:
expl.evad.troj.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1945156
Signature
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to steal Internet Explorer form passwords
Creates processes via WMI
Detected Remcos RAT
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Hides threads from debuggers
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Obfuscated command line found
Sigma detected: Remcos
Sigma detected: Wab/Wabmig Unusual Parent Or Child Processes
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file registry)
Unusual module load detection (module proxying)
Uses dynamic DNS services
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 GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1945156 Sample: SPA of goods (draft) final ... Startdate: 20/07/2026 Architecture: WINDOWS Score: 100 53 newpat4.duckdns.org 2->53 55 mr-b01.tm-azurefd.net 2->55 57 2 other IPs or domains 2->57 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Yara detected GuLoader 2->67 71 13 other signatures 2->71 9 powershell.exe 15 2->9         started        12 wscript.exe 1 1 2->12         started        14 powershell.exe 13 2->14         started        16 powershell.exe 2->16         started        signatures3 69 Uses dynamic DNS services 53->69 process4 signatures5 81 Obfuscated command line found 9->81 83 Writes to foreign memory regions 9->83 85 Found suspicious powershell code related to unpacking or dynamic code loading 9->85 95 2 other signatures 9->95 18 wab.exe 6 10 9->18         started        23 conhost.exe 9->23         started        25 wab.exe 9->25         started        87 Wscript starts Powershell (via cmd or directly) 12->87 89 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->89 91 Suspicious execution chain found 12->91 93 Creates processes via WMI 12->93 27 powershell.exe 17 12->27         started        29 powershell.exe 15 14->29         started        31 conhost.exe 14->31         started        33 conhost.exe 16->33         started        35 powershell.exe 16->35         started        process6 dnsIp7 59 newpat4.duckdns.org 139.28.38.72, 49770, 49771, 61845 DELTAHOST-KYIVUA Ukraine 18->59 47 C:\Users\user\AppData\...\Login Data.tmp, SQLite 18->47 dropped 49 C:\Users\user\AppData\...\Login Data.tmp, SQLite 18->49 dropped 51 C:\Users\user\...\Login Data For Account.tmp, SQLite 18->51 dropped 73 Detected Remcos RAT 18->73 75 Tries to harvest and steal browser information (history, passwords, etc) 18->75 77 Hides threads from debuggers 18->77 37 cmd.exe 1 18->37         started        39 wab.exe 18->39         started        61 cbabikes.com.ar 192.185.112.173, 443, 49767, 49769 ORACLE-BMC-31898-OracleCorporationUS United States 27->61 79 Found suspicious powershell code related to unpacking or dynamic code loading 27->79 41 conhost.exe 27->41         started        file8 signatures9 process10 process11 43 conhost.exe 37->43         started        45 reg.exe 1 1 37->45         started       
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/03fe281c2603a01f649e2f2fc0c800af4d882d4ff0d1a38450198482700e87dd
Verdict:
inconclusive
YARA:
1 match(es)
Link:
https://app.malva.re/file/6223ff0e9ca0830f73b555366781ca8e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/03fe281c2603a01f649e2f2fc0c800af4d882d4ff0d1a38450198482700e87dd/
Threat name:
Script-JS.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2026-07-20 10:43:40 UTC
File Type:
Text (JavaScript)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ap7cqhbgaoqb6ze6f4x4bsaav5gyqlkp6di2hbcqdgcie4aoq7oq._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
execution
Link:
https://tria.ge/reports/260720-mrtrgafs3r/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Command and Scripting Interpreter: JavaScript
Badlisted process makes network request
Process spawned unexpected child process
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/03fe281c2603a01f649e2f2fc0c800af4d882d4ff0d1a38450198482700e87dd

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: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)

File information

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

Malspam

RemusStealer

Java Script (JS) js 03fe281c2603a01f649e2f2fc0c800af4d882d4ff0d1a38450198482700e87dd

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments