MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf4ebc8e5121ece3f32be7e760a99273d170411b74bc6aa1d2f8e8509560f90c. 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
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SHA256 hash: cf4ebc8e5121ece3f32be7e760a99273d170411b74bc6aa1d2f8e8509560f90c
SHA3-384 hash: a6766d5c6f9b81f5804b2b629194731024bdac0468cbb8cfbaf3fd8e4ddad8c6c63a0cffc7f19e644226298bc83bb30f
SHA1 hash: 2066dc1b567f2564ede215a14d5a9eaee94dab13
MD5 hash: 60d28d6e1be1d80e9eaa15eeb0c3ff58
humanhash: social-virginia-wisconsin-montana
File name:REF_00168_0708026_docx.js
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:2'370'335 bytes
First seen:2026-08-07 10:14:52 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 24576:ROkdkVummJFQnVpyVxl0tmP8dSHmk5pRjYfdWWZTCjrW+:k+
TLSH T1D5B53ABE8F9A3E2B31D19066DE2791D13B92B69AC5F650F1C0B8473229930EED457433
Magika javascript
Reporter abuse_ch
Tags:js RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
143
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Other.Malware-gen.16254347.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
attrib attrib cmd encrypted evasive lolbin masquerade obfuscated powershell powershell repaired
Link:
https://www.filescan.io/uploads/6a75b07c1bdc07162c018983/reports/6e48346c-d044-4572-8c11-419695c19a91/overview
Verdict:
Malicious
Labled as:
SVM:TrojanDownloader/JS.MalBehav.gen
Link:
https://www.hybrid-analysis.com/sample/cf4ebc8e5121ece3f32be7e760a99273d170411b74bc6aa1d2f8e8509560f90c
Verdict:
Malicious
File Type:
js
First seen:
2026-08-07T05:56:00Z UTC
Last seen:
2026-08-09T07:44:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/cf4ebc8e5121ece3f32be7e760a99273d170411b74bc6aa1d2f8e8509560f90c/results?tab=lookup
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1953947
Signature
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject threads in other processes
Contains functionality to steal Internet Explorer form passwords
Creates a thread in another existing process (thread injection)
Detected Remcos RAT
Found malware configuration
Hijacks the control flow in another process
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
JScript performs obfuscated calls to suspicious functions
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
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 attrib.exe to hide files
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
WScript reads language and country specific registry keys (likely country aware script)
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: 1953947 Sample: REF_00168_0708026_docx.js Startdate: 07/08/2026 Architecture: WINDOWS Score: 100 61 dentalux202.ydns.eu 2->61 87 Found malware configuration 2->87 89 Malicious sample detected (through community Yara rule) 2->89 91 Antivirus detection for URL or domain 2->91 93 7 other signatures 2->93 11 wscript.exe 1 2 2->11         started        15 cmd.exe 3 2->15         started        signatures3 process4 file5 53 C:\Users\user\AppData\...\jqs3okrmba8a.cmd, DOS 11->53 dropped 107 JScript performs obfuscated calls to suspicious functions 11->107 109 Wscript starts Powershell (via cmd or directly) 11->109 111 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->111 115 2 other signatures 11->115 17 cmd.exe 1 11->17         started        113 Suspicious powershell command line found 15->113 20 powershell.exe 15->20         started        22 conhost.exe 15->22         started        24 attrib.exe 1 15->24         started        signatures6 process7 signatures8 73 Suspicious powershell command line found 17->73 75 Wscript starts Powershell (via cmd or directly) 17->75 77 Uses attrib.exe to hide files 17->77 26 powershell.exe 12 17->26         started        28 conhost.exe 17->28         started        79 Hijacks the control flow in another process 20->79 81 Modifies the context of a thread in another process (thread injection) 20->81 83 Creates a thread in another existing process (thread injection) 20->83 85 Injects a PE file into a foreign processes 20->85 30 choice.exe 20->30         started        33 gpupdate.exe 20->33         started        process9 signatures10 35 cmd.exe 3 26->35         started        117 Contains functionality to bypass UAC (CMSTPLUA) 30->117 119 Detected Remcos RAT 30->119 121 Unusual module load detection (module proxying) 30->121 process11 file12 51 C:\Users\user\AppData\Local\...\tile_db.cfg, DOS 35->51 dropped 95 Suspicious powershell command line found 35->95 97 Wscript starts Powershell (via cmd or directly) 35->97 39 powershell.exe 40 35->39         started        42 conhost.exe 35->42         started        44 attrib.exe 1 35->44         started        signatures13 process14 signatures15 99 Hijacks the control flow in another process 39->99 101 Writes to foreign memory regions 39->101 103 Modifies the context of a thread in another process (thread injection) 39->103 105 3 other signatures 39->105 46 gpupdate.exe 4 3 39->46         started        process16 dnsIp17 63 dentalux202.ydns.eu 45.148.18.40, 49715, 49716, 58268 OBEHOSTINGObehostingABSE Norway 46->63 55 C:\Users\user\AppData\...\Login Data.tmp, SQLite 46->55 dropped 57 C:\Users\user\AppData\...\Login Data.tmp, SQLite 46->57 dropped 59 C:\Users\user\...\Login Data For Account.tmp, SQLite 46->59 dropped 65 Contains functionality to bypass UAC (CMSTPLUA) 46->65 67 Detected Remcos RAT 46->67 69 Tries to steal Mail credentials (via file registry) 46->69 71 5 other signatures 46->71 file18 signatures19
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/cf4ebc8e5121ece3f32be7e760a99273d170411b74bc6aa1d2f8e8509560f90c
Verdict:
Malware
YARA:
1 match(es)
Tags:
DeObfuscated Obfuscated T1027 T1059.005 VBScript
Link:
https://app.malva.re/file/60d28d6e1be1d80e9eaa15eeb0c3ff58
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cf4ebc8e5121ece3f32be7e760a99273d170411b74bc6aa1d2f8e8509560f90c/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-08-07 10:18:34 UTC
File Type:
Text (JavaScript)
AV detection:
10 of 38 (26.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z5hlzdsrehwoh4zl47twbkmsopixaqi3os6gvios7dufbfla7ega._file
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos botnet:x64 collection defense_evasion execution rat
Link:
https://tria.ge/reports/260807-mantwsbq91/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
outlook_office_path
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Executes a command shell one-liner
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Family: Remcos
Malware Config
C2 Extraction:
dentalux202.ydns.eu:58268
dentalux202bk.ydns.eu:58798
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/cf4ebc8e5121ece3f32be7e760a99273d170411b74bc6aa1d2f8e8509560f90c

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