MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d9a134ec20968e062390b5cc4a99cd5be2f3d41725d1945a3b7c602dbf0fd35a. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d9a134ec20968e062390b5cc4a99cd5be2f3d41725d1945a3b7c602dbf0fd35a
SHA3-384 hash: 9d2f6da338bab1496be3eb0ab9094bbdedba40b45819e6ca9fa2715e91b0f9e6e69ae2148f2942cbdb65fdb23e906bd8
SHA1 hash: 389b9fe0743d14aee15e6301238bb5375833196a
MD5 hash: f5d910d571ad93461f47111872f79c82
humanhash: north-mobile-uranus-diet
File name:AWB no 530526.js
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:16'820'782 bytes
First seen:2026-07-16 07:14:12 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:jFbZNydN633Ni4y4H+tk4LWJ6IdJFZEQokF1ler25PCQW3YU+PMu8cJtXhkWlhgr:SIT8hUo
TLSH T1A207D267108F3D05D1DF2417AF1E9113CB36B6B38839C39622B6AC44EDE1D82796E58B
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 :
149
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a5884e756bd89099b556edd
Tags:
malware
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
repaired
Link:
https://www.filescan.io/uploads/6a5884e87190d6a3ddbda63f/reports/a4164435-ed7f-4bf2-93c3-920b193c43a0/overview
Verdict:
Malicious
Labled as:
GT:JS.Agent.1013
Link:
https://www.hybrid-analysis.com/sample/d9a134ec20968e062390b5cc4a99cd5be2f3d41725d1945a3b7c602dbf0fd35a
Verdict:
Malicious
File Type:
js
First seen:
2026-07-15T23:46:00Z UTC
Last seen:
2026-07-16T04:06:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/d9a134ec20968e062390b5cc4a99cd5be2f3d41725d1945a3b7c602dbf0fd35a/results?tab=lookup
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1943384
Signature
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 check if a debugger is running (CheckRemoteDebuggerPresent)
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
Joe Sandbox ML detected suspicious sample
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
Overwrites Mozilla Firefox settings
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)
Uses the Windows Restart Manager Abuse for Browser Credential File unlocking
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
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1943384 Sample: AWB no 530526.js Startdate: 16/07/2026 Architecture: WINDOWS Score: 100 56 resc.cloudinary.com.cdn.cloudflare.net 2->56 58 res.cloudinary.com 2->58 74 Suricata IDS alerts for network traffic 2->74 76 Found malware configuration 2->76 78 Malicious sample detected (through community Yara rule) 2->78 80 13 other signatures 2->80 10 wscript.exe 1 2->10         started        12 wscript.exe 13 3 2->12         started        signatures3 process4 file5 16 powershell.exe 14 15 10->16         started        20 powershell.exe 10->20         started        50 C:\Users\...\AWB no 530526.js:Zone.Identifier, ASCII 12->50 dropped 52 C:\Users\user\AppData\...\AWB no 530526.js, Unicode 12->52 dropped 90 Suspicious powershell command line found 12->90 92 Wscript starts Powershell (via cmd or directly) 12->92 94 Drops script or batch files to the startup folder 12->94 96 5 other signatures 12->96 signatures6 process7 dnsIp8 54 resc.cloudinary.com.cdn.cloudflare.net 104.16.79.6, 443, 49767, 49773 CLOUDFLARENET-CloudflareIncUS Canada 16->54 64 Writes to foreign memory regions 16->64 66 Modifies the context of a thread in another process (thread injection) 16->66 68 Injects a PE file into a foreign processes 16->68 70 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 16->70 22 appidtel.exe 10 10 16->22         started        27 conhost.exe 16->27         started        29 appidtel.exe 20->29         started        31 conhost.exe 20->31         started        signatures9 process10 dnsIp11 60 46.151.182.38, 49768, 49769, 49770 GHOSTYNETWORKSUS France 22->60 62 127.0.0.1 unknown unknown 22->62 42 C:\Users\user\AppData\...\cookies.sqlite-shm, data 22->42 dropped 44 C:\Users\user\AppData\...\Login Data.tmp, SQLite 22->44 dropped 46 C:\Users\user\AppData\...\Login Data.tmp, SQLite 22->46 dropped 48 2 other files (1 malicious) 22->48 dropped 82 Contains functionality to bypass UAC (CMSTPLUA) 22->82 84 Detected Remcos RAT 22->84 86 Attempt to bypass Chrome Application-Bound Encryption 22->86 88 14 other signatures 22->88 33 msedge.exe 7 22->33         started        36 chrome.exe 1 22->36         started        file12 signatures13 process14 signatures15 72 Overwrites Mozilla Firefox settings 33->72 38 msedge.exe 33->38         started        40 conhost.exe 36->40         started        process16
Gathering data
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d9a134ec20968e062390b5cc4a99cd5be2f3d41725d1945a3b7c602dbf0fd35a/
Threat name:
Script-JS.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2026-07-16 07:18:46 UTC
File Type:
Text (JavaScript)
AV detection:
5 of 36 (13.89%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3gqtj3bas2hami4qwxgevgonlprphvaxexiziwr3prqc3pyp2nna._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remote collection credential_access discovery execution rat stealer
Link:
https://tria.ge/reports/260716-h22gvaft9m/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
outlook_office_path
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Time Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Drops startup file
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Uses browser remote debugging
Family: Remcos
Process spawned unexpected child process
Malware Config
C2 Extraction:
46.151.182.38:8080
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/d9a134ec20968e062390b5cc4a99cd5be2f3d41725d1945a3b7c602dbf0fd35a

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