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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 452391595de8afe7478fcdfeaf37c026fef7608d5e5dcd536861b7b22ecbd4e0. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 452391595de8afe7478fcdfeaf37c026fef7608d5e5dcd536861b7b22ecbd4e0
SHA3-384 hash: 80f888cecc1a7198f697154cf2ad657b6fd0cd1804b27014e0675402fe75364c8ff490c7e740a852fd3e6e9a92de2660
SHA1 hash: 6f97861135cb5e814ae695e93ce340910539559c
MD5 hash: bba77617be9d81ff47cdfeb635b5d331
humanhash: georgia-maryland-lima-texas
File name:Payment swift_25Oct2026.js
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'539'548 bytes
First seen:2026-10-26 07:44:58 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:application/javascript
ssdeep 12288:3sp20Lzx62Edco6OWibndI98oax+wCNuCcnHm2y9oQn3NnS8n/3csmltNfWJ+/uQ:AR167+6m2in3rMj+J+GnyzewI+
TLSH T196650D815611E17E5A87CE582F47AAD828A9C9EFD9C9E305F0D40E8FF4AC73894E47C1
Magika javascript
Reporter abuse_ch
Tags:js RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
174
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.JS.Trojan.Cryxos.17164.82729146.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6adf0521afb06e650cd92a6d
Tags:
n/a
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm base64 encrypted evasive fingerprint masquerade obfuscated repaired
Link:
https://www.filescan.io/uploads/6adf0517fbc48d52c2379d28/reports/02d05023-4f92-44e1-aa87-bfc842232458/overview
Verdict:
Malicious
Labled as:
Trojan.Cryxos.JS
Link:
https://www.hybrid-analysis.com/sample/452391595de8afe7478fcdfeaf37c026fef7608d5e5dcd536861b7b22ecbd4e0
Verdict:
Malicious
File Type:
js
First seen:
2026-10-25T03:03:00Z UTC
Last seen:
2026-10-27T16:31:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/452391595de8afe7478fcdfeaf37c026fef7608d5e5dcd536861b7b22ecbd4e0/results?tab=lookup
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1991813
Signature
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
Contains functionality to steal Internet Explorer form passwords
Contains functionalty to change the wallpaper
Creates processes via WMI
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
JavaScript source code contains functionality to generate code involving a shell, file or stream
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Remcos
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Unusual module load detection (module proxying)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript called in batch mode (surpress errors)
Wscript starts Powershell (via cmd or directly)
Yara detected AntiVM3
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: 1991813 Sample: Payment swift_25Oct2026.js Startdate: 26/10/2026 Architecture: WINDOWS Score: 100 46 pki-goog.l.google.com 2->46 48 mr-b01.tm-azurefd.net 2->48 50 7 other IPs or domains 2->50 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Multi AV Scanner detection for submitted file 2->62 64 12 other signatures 2->64 9 wscript.exe 1 3 2->9         started        13 wscript.exe 2->13         started        signatures3 process4 file5 38 C:\Users\user\AppData\Local\...\w56234.ps1, Unicode 9->38 dropped 40 C:\Users\user\AppData\Local\...\r73846.log, Unicode 9->40 dropped 74 JScript performs obfuscated calls to suspicious functions 9->74 76 Suspicious powershell command line found 9->76 78 Wscript starts Powershell (via cmd or directly) 9->78 80 4 other signatures 9->80 15 powershell.exe 25 9->15         started        signatures6 process7 file8 42 C:\Users\user\AppData\...\cwhsf2ow.cmdline, Unicode 15->42 dropped 44 C:\Users\user\AppData\Local\...\manifest.js, ASCII 15->44 dropped 54 Writes to foreign memory regions 15->54 56 Injects a PE file into a foreign processes 15->56 19 MSBuild.exe 4 3 15->19         started        24 csc.exe 3 15->24         started        26 conhost.exe 15->26         started        signatures9 process10 dnsIp11 52 155.103.69.244, 2929, 49713, 49714 WHITELABELUS Turkey 19->52 30 C:\Users\user\AppData\...\Login Data.tmp, SQLite 19->30 dropped 32 C:\Users\user\AppData\...\Login Data.tmp, SQLite 19->32 dropped 34 C:\Users\user\...\Login Data For Account.tmp, SQLite 19->34 dropped 66 Contains functionality to bypass UAC (CMSTPLUA) 19->66 68 Detected Remcos RAT 19->68 70 Contains functionalty to change the wallpaper 19->70 72 4 other signatures 19->72 36 C:\Users\user\AppData\Local\...\cwhsf2ow.dll, PE32 24->36 dropped 28 cvtres.exe 1 24->28         started        file12 signatures13 process14
Score:
95%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/452391595de8afe7478fcdfeaf37c026fef7608d5e5dcd536861b7b22ecbd4e0
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
Javascript T1059.007
Link:
https://app.malva.re/file/bba77617be9d81ff47cdfeb635b5d331
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/452391595de8afe7478fcdfeaf37c026fef7608d5e5dcd536861b7b22ecbd4e0/
Threat name:
Script-JS.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2026-10-25 06:02:38 UTC
File Type:
Text
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iurzcwk55cx6or4pzx7k6n6ae37poyenlzo42u3img33elwl2tqa._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:kemet collection discovery execution persistence rat
Link:
https://tria.ge/reports/261026-jlpzjscw91/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
Command and Scripting Interpreter: JavaScript
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Command and Scripting Interpreter: PowerShell
Family: Remcos
Process spawned unexpected child process
Malware Config
C2 Extraction:
155.103.69.244:2929
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/452391595de8afe7478fcdfeaf37c026fef7608d5e5dcd536861b7b22ecbd4e0

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:SCRIPT_Dropper_Unknown_ForgeAuto_0507f067_Script
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (script_js, etat script)
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