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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0140c873a5b2d498b28ad07c66848146edb650968410e5804bc4e235cf68d9ac. 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


RemcosRAT


Vendor detections: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0140c873a5b2d498b28ad07c66848146edb650968410e5804bc4e235cf68d9ac
SHA3-384 hash: a609e1212bad53a703fd489dbf57a14ba877ac29ecc7c9cbaf7488a206e8bbcbd92465a4cda62dee7c2184dc24232edc
SHA1 hash: 7a43842812de735669746a63f74c538a10270e8e
MD5 hash: 2d40d1f54394ee868e84dc3366b2c1ea
humanhash: october-pluto-juliet-mike
File name:Doc_File810398TT103.js
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:64'707 bytes
First seen:2026-09-17 15:06:58 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 1536:tbsefr2WyNr+ayzMUlvRxmOhezBCGgLwRQeWZ7+RJjL5GC7t7rtDtAtstbtt:tbsefr2WyNr+ayzMUlvRxmOhe1CGgLwZ
TLSH T1EE531EDE8BB3C0D68A0062918107E07DFDA3C522D627BEC2761975DEFF5CD6620B9660
Magika javascript
Reporter abuse_ch
Tags:js RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
173
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm encrypted fingerprint repaired
Link:
https://www.filescan.io/uploads/6aac021e229021163cc3745e/reports/577292c9-e49d-4d41-997d-c20f94a3b841/overview
Verdict:
Suspicious
Labled as:
SVM:TrojanDownloader/JS.MalBehav.gen
Link:
https://www.hybrid-analysis.com/sample/0140c873a5b2d498b28ad07c66848146edb650968410e5804bc4e235cf68d9ac
Verdict:
Malicious
File Type:
js
First seen:
2026-09-17T11:50:00Z UTC
Last seen:
2026-09-19T08:09:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/0140c873a5b2d498b28ad07c66848146edb650968410e5804bc4e235cf68d9ac/results?tab=lookup
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1974333
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Antivirus detection for URL or domain
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
Found malware configuration
Found stalling execution ending in API Sleep call
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Opens the same file many times (likely Sandbox evasion)
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Remcos
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 Powershell decode and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1974333 Sample: Doc_File810398TT103.js Startdate: 17/09/2026 Architecture: WINDOWS Score: 100 56 youngest-brown-narwhal.myfilebase.com 2->56 58 www.neelgirlchemicalsbackup.com 2->58 60 8 other IPs or domains 2->60 62 Suricata IDS alerts for network traffic 2->62 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 11 other signatures 2->68 11 wscript.exe 2 2->11         started        signatures3 process4 signatures5 86 JScript performs obfuscated calls to suspicious functions 11->86 88 Wscript starts Powershell (via cmd or directly) 11->88 90 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->90 92 3 other signatures 11->92 14 cmd.exe 1 11->14         started        process6 signatures7 94 Wscript starts Powershell (via cmd or directly) 14->94 17 powershell.exe 14 25 14->17         started        22 conhost.exe 14->22         started        process8 dnsIp9 50 s3.filebase.com 15.204.64.13, 443, 49748, 49749 OVHFR United States 17->50 52 64.89.160.97, 49744, 80 GHOSTYNETWORKSUS Luxembourg 17->52 54 2 other IPs or domains 17->54 46 C:\Users\user\AppData\...\pyzd32u3.cmdline, Unicode 17->46 dropped 70 Suspicious powershell command line found 17->70 72 Writes to foreign memory regions 17->72 74 Modifies the context of a thread in another process (thread injection) 17->74 76 2 other signatures 17->76 24 RegAsm.exe 4 17->24         started        27 csc.exe 3 17->27         started        30 powershell.exe 10 17->30         started        file10 signatures11 process12 file13 78 Contains functionality to bypass UAC (CMSTPLUA) 24->78 80 Detected Remcos RAT 24->80 82 Found stalling execution ending in API Sleep call 24->82 84 2 other signatures 24->84 48 C:\Users\user\AppData\Local\...\pyzd32u3.dll, PE32 27->48 dropped 32 cvtres.exe 1 27->32         started        34 cmd.exe 1 30->34         started        36 conhost.exe 30->36         started        signatures14 process15 process16 38 taskkill.exe 1 34->38         started        40 taskkill.exe 1 34->40         started        42 taskkill.exe 1 34->42         started        44 conhost.exe 34->44         started       
Score:
65%
Verdict:
Susipicious
File Type:
SCRIPT
Link:
https://malprob.io/report/0140c873a5b2d498b28ad07c66848146edb650968410e5804bc4e235cf68d9ac
Gathering data
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/0140c873a5b2d498b28ad07c66848146edb650968410e5804bc4e235cf68d9ac/
Threat name:
Text.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-09-17 14:51:07 UTC
File Type:
Text (JavaScript)
AV detection:
4 of 23 (17.39%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=afamq45fwlkjrmuk2b6gnbebi3w3muewqqiolaclytrdlt3i3gwa._file
Verdict:
malicious
Label(s):
Remcos
Create hunting rule
Link:
https://reports.threatray.com/51690fc3-0260-41e5-ad2f-7141839a48bb
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection defense_evasion discovery execution rat spyware stealer suricata
Link:
https://tria.ge/reports/260917-shetva1tcs/
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Command and Scripting Interpreter: JavaScript
Executes a command shell one-liner
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks installed software on the system
Reads user/profile data of web browsers
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Family: Remcos
Process spawned unexpected child process
Suricata alert: REMCOS RAT Malware Inbound C2 Communication
Suricata alert: REMCOS RAT Malware Outbound C2 Communication
Malware Config
C2 Extraction:
www.neelgirlchemicals.com:2404
www.neelgirlchemicalsbackup.com:2404
www.allltrucks.com:2404
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/0140c873a5b2d498b28ad07c66848146edb650968410e5804bc4e235cf68d9ac

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.

Comments