MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0cd503ae4803c5e2386e0377ff9a301b00f37e11dd9f14083d47877637672070. 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 25 File information Comments
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SHA256 hash: 0cd503ae4803c5e2386e0377ff9a301b00f37e11dd9f14083d47877637672070
SHA3-384 hash: 894ab5fca3cadfc2f4cb8c716d6c4ddad6d11b5d3a5b03bb336cf7dddad77329e256b150ab0f2089f0c88e8e1a8d36ff
SHA1 hash: 931fe4ad7030da0b67bd8a82d47974d7e272387c
MD5 hash: 129570e18de294746972eb599d7a9493
humanhash: blue-juliet-seven-minnesota
File name:PO_Product Details_PDF.js
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:973'909 bytes
First seen:2025-09-16 08:04:49 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 24576:cF/8z8Am9UTj522UsyaZNGu0C7tc2TuYW:LLpQBsy7wMt
Threatray 37 similar samples on MalwareBazaar
TLSH T17725F13CCEA4FDE9036F70E4A14D3B06508C6BB3FA756B9CF9D0056A1A18546DBBA05C
Magika javascript
Reporter abuse_ch
Tags:js RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
97
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68c91a58d49ea3f1e4b65748
Tags:
autorun lien
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/0cd503ae4803c5e2386e0377ff9a301b00f37e11dd9f14083d47877637672070
Verdict:
Malicious
File Type:
js
First seen:
2025-09-15T21:46:00Z UTC
Last seen:
2025-09-15T21:46:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/0cd503ae4803c5e2386e0377ff9a301b00f37e11dd9f14083d47877637672070/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/1778332
Signature
.NET source code contains a sample name check
.NET source code references suspicious native API functions
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates processes via WMI
Detected Remcos RAT
Drops script or batch files to the startup folder
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Powershell drops PE file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Drops script at startup location
Sigma detected: Potentially Suspicious PowerShell Child Processes
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded IEX Cmdlet
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
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
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
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1778332 Sample: PO_Product Details_PDF.js Startdate: 16/09/2025 Architecture: WINDOWS Score: 100 119 www.gondeen.com 2->119 121 geoplugin.net 2->121 135 Suricata IDS alerts for network traffic 2->135 137 Found malware configuration 2->137 139 Malicious sample detected (through community Yara rule) 2->139 141 19 other signatures 2->141 11 wscript.exe 1 1 2->11         started        15 cmd.exe 2->15         started        17 cmd.exe 1 2->17         started        19 5 other processes 2->19 signatures3 process4 file5 103 C:\Users\user\...\CelestialService.bat, ASCII 11->103 dropped 167 Wscript starts Powershell (via cmd or directly) 11->167 169 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->169 171 Suspicious execution chain found 11->171 173 Creates processes via WMI 11->173 21 cmd.exe 1 11->21         started        24 cmd.exe 15->24         started        26 conhost.exe 15->26         started        28 cmd.exe 1 17->28         started        30 conhost.exe 17->30         started        32 cmd.exe 19->32         started        34 cmd.exe 19->34         started        36 cmd.exe 19->36         started        38 7 other processes 19->38 signatures6 process7 signatures8 143 Suspicious powershell command line found 21->143 145 Wscript starts Powershell (via cmd or directly) 21->145 40 cmd.exe 1 21->40         started        42 conhost.exe 21->42         started        45 cmd.exe 24->45         started        47 cmd.exe 1 28->47         started        49 cmd.exe 32->49         started        51 cmd.exe 34->51         started        53 cmd.exe 36->53         started        55 cmd.exe 38->55         started        57 cmd.exe 38->57         started        process9 signatures10 59 cmd.exe 2 40->59         started        155 Suspicious powershell command line found 45->155 157 Wscript starts Powershell (via cmd or directly) 45->157 62 powershell.exe 45->62         started        65 conhost.exe 45->65         started        67 2 other processes 47->67 69 2 other processes 49->69 71 2 other processes 51->71 73 2 other processes 53->73 75 2 other processes 55->75 77 2 other processes 57->77 process11 file12 159 Suspicious powershell command line found 59->159 161 Wscript starts Powershell (via cmd or directly) 59->161 79 powershell.exe 11 43 59->79         started        84 conhost.exe 59->84         started        105 C:\Users\user\AppData\Roaming\...\a0e0.bat, ASCII 62->105 dropped 163 Detected Remcos RAT 62->163 165 Installs a global keyboard hook 62->165 107 C:\Users\user\AppData\Roaming\...\5bcb.bat, ASCII 67->107 dropped 109 C:\Users\user\AppData\Roaming\...\674e.bat, ASCII 69->109 dropped 111 C:\Users\user\AppData\Roaming\...\98e8.bat, ASCII 71->111 dropped 113 C:\Users\user\AppData\Roaming\...\298f.bat, ASCII 73->113 dropped 115 C:\Users\user\AppData\Roaming\...\1c4c.bat, ASCII 75->115 dropped 117 C:\Users\user\AppData\Roaming\...\6b18.bat, ASCII 77->117 dropped signatures13 process14 dnsIp15 123 www.gondeen.com 107.174.42.72, 2404, 49715, 49717 AS-COLOCROSSINGUS United States 79->123 125 geoplugin.net 178.237.33.50, 49716, 80 ATOM86-ASATOM86NL Netherlands 79->125 95 C:\Users\user\AppData\Local\Temp\TH779A.tmp, MS-DOS 79->95 dropped 97 C:\Users\user\AppData\Local\Temp\TH774A.tmp, MS-DOS 79->97 dropped 99 C:\Users\user\AppData\Local\Temp\TH771B.tmp, PE32 79->99 dropped 101 3 other malicious files 79->101 dropped 127 Detected Remcos RAT 79->127 129 Drops script or batch files to the startup folder 79->129 131 Writes to foreign memory regions 79->131 133 6 other signatures 79->133 86 RmClient.exe 1 79->86         started        89 RmClient.exe 2 79->89         started        91 RmClient.exe 1 79->91         started        93 2 other processes 79->93 file16 signatures17 process18 signatures19 147 Tries to steal Instant Messenger accounts or passwords 86->147 149 Tries to steal Mail credentials (via file / registry access) 86->149 151 Tries to steal Mail credentials (via file registry) 89->151 153 Tries to harvest and steal browser information (history, passwords, etc) 89->153
Verdict:
Malware
YARA:
1 match(es)
Tags:
Base64 Block Contains Base64 Block DeObfuscated PowerShell
Link:
https://app.malva.re/file/129570e18de294746972eb599d7a9493
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/0cd503ae4803c5e2386e0377ff9a301b00f37e11dd9f14083d47877637672070/
Threat name:
Script-JS.Backdoor.Remcos
Create hunting rule
Status:
Suspicious
First seen:
2025-09-16 08:10:27 UTC
File Type:
Text (HTML)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=btkqhlsiapc6eodoan377grqdmapg7qr3wpricb5i6dxmn3hebya._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
donut_injector
Create hunting rule
Similar samples:
0660741f7d4b1e5d29d281abbbcdda47eed2cd899227f2b787dc89e5b628cb82
RemcosRAT
1f068fe39ea82125b5fcf7485d14fc4870d000924007f4207f9b7adbb33a5f0f
RemcosRAT
7776dd6eb20f3e1d9cdb52292e61867e97e8a05ffe6bec81ed742e641c1b60c6
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879ebda15ee112aeb9ab2af26cf2cd59967cd64ced4fdafc3e571caf100ea5f9
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8f4cb5ddc22fbf3f8118eaa14c1cbb7aae10ba6b65ff44cb2345b10f2eb48304
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c6499501e5e06658bb2353d8624de75952f86b0b44bb64ec0966ee1e8d97a7bf
RemcosRAT
cc7b56a4bd2ce38278456412fe5b31cf7b742fd23e807b5109617631592fc9c5
RemcosRAT
e2a70b214b0d1f0a2f22955d257fa2189e1c9108987248ec44a30b2fe717a386
RemcosRAT
error
RemcosRAT
+ 27 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
collection defense_evasion discovery execution trojan
Link:
https://tria.ge/reports/250916-j2gm4shp9z/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
System Location Discovery: System Language Discovery
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Command and Scripting Interpreter: PowerShell
Drops startup file
Badlisted process makes network request
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Process spawned unexpected child process
UAC bypass
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/0cd503ae4803c5e2386e0377ff9a301b00f37e11dd9f14083d47877637672070

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:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_Remcos_RAT
Create hunting rule
Author:daniyyell
Description:Detects Remcos RAT payloads and commands
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_EXE_Packed_MPress
Create hunting rule
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:remcos_
Create hunting rule
Author:Michelle Khalil
Description:This rule detects unpacked remcos malware samples.
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Remcos_unpacked_PulseIntel
Create hunting rule
Author:PulseIntel
Description:Remcos Payload
Rule name:SUSP_PS1_JAB_Pattern_Jun22_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects suspicious UTF16 and Base64 encoded PowerShell code that starts with a $ sign and a single char variable
Reference:Internal Research
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:TeslaCryptPackedMalware
Create hunting rule
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

Comments