MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 9ff18f1e02141c1ef02b3ae37c4d7d8508de00bf633c5a3fdc9a3ec0503e4e69. 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: 14
| SHA256 hash: | 9ff18f1e02141c1ef02b3ae37c4d7d8508de00bf633c5a3fdc9a3ec0503e4e69 |
|---|---|
| SHA3-384 hash: | b91ad67b9de84295d0734b4f7e06635310088f0382fb28acefd1d7271a9cfb84b54c167fcc5cf652869ce595c30f763f |
| SHA1 hash: | db2c6816691c760808969c8f02cdd2944b794703 |
| MD5 hash: | 6598db8dfe375f4bef291365fa81e421 |
| humanhash: | venus-snake-georgia-washington |
| File name: | loader_b6182984655567f1.js |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 313'768 bytes |
| First seen: | 2026-07-11 07:04:04 UTC |
| Last seen: | Never |
| File type: |  js |
| MIME type: | text/plain |
| ssdeep | 6144:qBr/4/lTGmmjiYWZ+YSd1D/kwhRvGKv4O7IZ4jHLMH2:Y/qlTGjWzANPFWKy7H2 |
| Threatray | 3 similar samples on MalwareBazaar |
| TLSH | T1E164EFB7C5656C760EAC0258105D7FA2FCE85BDF806870A6743C64DEBFB42E2686C1E1 |
| Magika | javascript |
| Reporter |  abuse_ch |
| Tags: | js RAT RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
153
Origin country :
SEVendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
93.3%
Tags:
dropper virus
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
downloader dropper mimikatz obfuscated packed remcos repaired
Verdict:
Malicious
Labled as:
Exploit.EXE
Verdict:
Malicious
File Type:
js
First seen:
2026-07-10T00:18:00Z UTC
Last seen:
2026-07-13T01:45:00Z UTC
Hits:
~10
Detections:
Trojan-Downloader.JS.SLoad.sb Trojan-Downloader.JS.Cryptoload.sb HEUR:Trojan.Script.Generic HEUR:Trojan-Dropper.Script.Generic HEUR:Backdoor.Win32.Remcos.gen Backdoor.Win32.Remcos.sb PDM:Trojan.Win32.Generic
Result
Threat name:
Remcos
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Contains functionalty to change the wallpaper
Detected Remcos RAT
Found malware configuration
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: Files With System Process Name In Unsuspected Locations
Sigma detected: System File Execution Location Anomaly
Sigma detected: WScript or CScript Dropper
Windows Scripting host queries suspicious COM object (likely to drop second stage)
WScript reads language and country specific registry keys (likely country aware script)
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
Base64 Block Base64 Payload Contains Base64 Block Executable Invalid PE PE (Portable Executable)
Detection:
remcos
Verdict:
Malicious
Threat:
Family.REMCOS
Threat name:
Script-WScript.Backdoor.Remcos
Status:
Malicious
First seen:
2026-07-10 03:13:13 UTC
File Type:
Text
AV detection:
10 of 24 (41.67%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:remotehost discovery execution rat upx
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
UPX packed file
Checks computer location settings
Executes dropped EXE
Family: Remcos
Malware Config
C2 Extraction:
fb88.style:443
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.85
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: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | FreddyBearDropper |
|---|---|
| Author: | Dwarozh Hoshiar |
| Description: | Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip. |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | INDICATOR_SUSPICIOUS_Binary_References_Browsers |
|---|---|
| Author: | ditekSHen |
| Description: | Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. |
| Rule name: | Invoke_Mimikatz |
|---|---|
| Author: | Florian Roth (Nextron Systems) |
| Description: | Detects Invoke-Mimikatz String |
| Reference: | https://github.com/clymb3r/PowerShell/tree/master/Invoke-Mimikatz |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | Remcos |
|---|---|
| Author: | kevoreilly |
| Description: | Remcos Payload |
| Rule name: | REMCOS_RAT_variants |
|---|
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
| Rule name: | UPX |
|---|---|
| Author: | kevoreilly |
| Description: | UPX Unpacker: dump on OEP (original entry point) |
| Rule name: | UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser |
|---|---|
| Author: | malware-lu |
| Rule name: | UPXv20MarkusLaszloReiser |
|---|---|
| Author: | malware-lu |
| Rule name: | upx_3 |
|---|---|
| Author: | Kevin Falcoz |
| Description: | UPX 3.X |
| Rule name: | upx_largefile |
|---|---|
| Author: | k3nr9 |
| Rule name: | VECT_Ransomware |
|---|---|
| Author: | Mustafa Bakhit |
| Description: | Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments. |
| Rule name: | Windows_Trojan_Remcos_921ef449 |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_remcos_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.remcos. |
| Rule name: | win_remcos_rat_unpacked |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in remcos rat Samples. |
| Rule name: | win_remcos_w0 |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in remcos rat Samples. |
| Rule name: | yarahub_win_remcos_rat_unpacked_aug_2023 |
|---|---|
| Author: | Matthew @ Embee_Research |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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