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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b32d9290024c86381561bbd9ca44dc0d9f81914bf23d38ef7488e4a666ce175. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4b32d9290024c86381561bbd9ca44dc0d9f81914bf23d38ef7488e4a666ce175
SHA3-384 hash: aeeb396e6a0f84378a06fc8d4b41e34d857b0188197dd983249ad63045a2f1b7e1bc52702b11c3bb07db2e768dcc841d
SHA1 hash: 2d3e51760661791ddb93921f72d33d12f6162542
MD5 hash: ecd78d0ee04b5bb63e639239c361a0f0
humanhash: apart-shade-victor-uncle
File name:Ref 00147_29092026.js
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'219'794 bytes
First seen:2026-09-30 08:27:19 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 24576:Qsxy19Vqs6FTGxtVJeCmOLEod+OpB6XRZL4jfDC:Qs4C8+6ffu
TLSH T17E450145056D050C24FC46146F1F43C83AF2E586A36AD9F692DED2E7126D2A9ECE3C2F
Magika txt
Reporter abuse_ch
Tags:js RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
171
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ace5b7e2e5d8a93d8150148
Tags:
remcos virus shell sage
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
attrib evasive obfuscated powershell repaired
Link:
https://www.filescan.io/uploads/6abcc828555bdf8636f50a3e/reports/716f779f-b784-41fe-b839-c465eb0cc8b6/overview
Verdict:
Malicious
Labled as:
JS/Obfuscated.CT trojan
Link:
https://www.hybrid-analysis.com/sample/4b32d9290024c86381561bbd9ca44dc0d9f81914bf23d38ef7488e4a666ce175
Verdict:
Malicious
File Type:
js
First seen:
2026-09-29T22:41:00Z UTC
Last seen:
2026-10-02T06:37:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/4b32d9290024c86381561bbd9ca44dc0d9f81914bf23d38ef7488e4a666ce175/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/1979884
Signature
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 an autostart registry key pointing to binary in C:\Windows
Creates processes via WMI
Detected Remcos RAT
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Hijacks the control flow in another process
Joe Sandbox ML detected suspicious sample
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: Invoke-Obfuscation Via Stdin
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: Potential WinAPI Calls Via CommandLine
Sigma detected: Powershell launch wmic via class
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
Uses cmd line tools excessively to alter registry or file data
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 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: 1979884 Sample: Ref 00147_29092026.js Startdate: 30/09/2026 Architecture: WINDOWS Score: 100 116 rjwz.ydns.eu 2->116 128 Sigma detected: Powershell launch wmic via class 2->128 130 Found malware configuration 2->130 132 Malicious sample detected (through community Yara rule) 2->132 134 11 other signatures 2->134 13 wscript.exe 1 1 2->13         started        16 conhost.exe 2->16         started        18 conhost.exe 2->18         started        20 2 other processes 2->20 signatures3 process4 dnsIp5 162 JScript performs obfuscated calls to suspicious functions 13->162 164 Wscript starts Powershell (via cmd or directly) 13->164 166 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->166 168 2 other signatures 13->168 23 cmd.exe 1 13->23         started        26 powershell.exe 8 13->26         started        29 cmd.exe 16->29         started        31 cmd.exe 18->31         started        118 127.0.0.1 unknown unknown 20->118 signatures6 process7 file8 150 Suspicious powershell command line found 23->150 152 Wscript starts Powershell (via cmd or directly) 23->152 154 Uses cmd line tools excessively to alter registry or file data 23->154 156 Uses attrib.exe to hide files 23->156 33 powershell.exe 23->33         started        35 powershell.exe 15 23->35         started        37 conhost.exe 23->37         started        39 attrib.exe 23->39         started        108 C:\Users\user\AppData\...\81780434049763.cmd, ASCII 26->108 dropped 158 Found suspicious powershell code related to unpacking or dynamic code loading 26->158 160 Creates processes via WMI 26->160 41 conhost.exe 26->41         started        43 powershell.exe 29->43         started        47 2 other processes 29->47 45 powershell.exe 31->45         started        49 2 other processes 31->49 signatures9 process10 process11 51 powershell.exe 1 46 33->51         started        55 cmd.exe 43->55         started        57 cmd.exe 45->57         started        file12 102 C:\Users\user\...\dwm_frame_TXXRYIWL.cmd, ASCII 51->102 dropped 104 C:\Users\user\...\dwm_frame_KKKKMXFSh.cmd, DOS 51->104 dropped 106 C:\Users\user\AppData\Local\...\dwm_frame.dat, ASCII 51->106 dropped 136 Hijacks the control flow in another process 51->136 138 Creates an autostart registry key pointing to binary in C:\Windows 51->138 140 Writes to foreign memory regions 51->140 144 2 other signatures 51->144 59 choice.exe 51->59         started        64 conhost.exe 51->64         started        142 Wscript starts Powershell (via cmd or directly) 55->142 66 powershell.exe 55->66         started        68 conhost.exe 55->68         started        70 powershell.exe 55->70         started        72 powershell.exe 57->72         started        74 conhost.exe 57->74         started        76 powershell.exe 57->76         started        signatures13 process14 dnsIp15 120 rjwz.ydns.eu 192.145.124.6, 49712, 49713, 49715 M247RO Spain 59->120 110 C:\Users\user\AppData\...\Login Data.tmp, SQLite 59->110 dropped 112 C:\Users\user\AppData\...\Login Data.tmp, SQLite 59->112 dropped 114 C:\Users\user\...\Login Data For Account.tmp, SQLite 59->114 dropped 170 Contains functionality to bypass UAC (CMSTPLUA) 59->170 172 Detected Remcos RAT 59->172 174 Tries to steal Mail credentials (via file registry) 59->174 176 5 other signatures 59->176 78 conhost.exe 59->78         started        80 powershell.exe 66->80         started        83 powershell.exe 72->83         started        file16 signatures17 process18 signatures19 122 Hijacks the control flow in another process 80->122 124 Writes to foreign memory regions 80->124 126 Maps a DLL or memory area into another process 80->126 85 choice.exe 80->85         started        88 choice.exe 80->88         started        90 conhost.exe 80->90         started        92 choice.exe 83->92         started        94 conhost.exe 83->94         started        process20 signatures21 146 Detected Remcos RAT 85->146 148 Found direct / indirect Syscall (likely to bypass EDR) 85->148 96 conhost.exe 85->96         started        98 conhost.exe 88->98         started        100 conhost.exe 92->100         started        process22
Score:
98%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/4b32d9290024c86381561bbd9ca44dc0d9f81914bf23d38ef7488e4a666ce175
Gathering data
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4b32d9290024c86381561bbd9ca44dc0d9f81914bf23d38ef7488e4a666ce175/
Threat name:
Script-JS.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2026-09-30 01:40:31 UTC
File Type:
Text (Batch)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jmznskiaeteghakwdo6zzjcnydm7qgiux4r5hdxxjcheuztm4f2q._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:gz2 collection defense_evasion execution persistence privilege_escalation rat
Link:
https://tria.ge/reports/260930-kc5t3syv7l/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
outlook_office_path
Command and Scripting Interpreter: JavaScript
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
Hide Artifacts: Hidden Files and Directories
Accesses Microsoft Outlook profiles
Adds Run key to start application
Enumerates connected drives
Checks computer location settings
Family: Remcos
Malware Config
C2 Extraction:
rjwz.ydns.eu:62755
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/4b32d9290024c86381561bbd9ca44dc0d9f81914bf23d38ef7488e4a666ce175

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
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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)
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Comments