MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8ed131b01ea2d2ba3f2cfdd352707e9de8d609f452726b15033e409a4808c8e. 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


Intelligence 14 IOCs 1 YARA 28 File information Comments

SHA256 hash: d8ed131b01ea2d2ba3f2cfdd352707e9de8d609f452726b15033e409a4808c8e
SHA3-384 hash: 87b590164b4a68e40375c89349a31d20d5426c535fee0b100c67ed589d0ab5ce581520dacd12b6707696fc2e03f66c22
SHA1 hash: 0484d5e6d4145a45a6796ac079dd15516ea4bec9
MD5 hash: 157a9b12d3546b4550793e2379376e36
humanhash: spaghetti-salami-happy-oscar
File name:Ref-17-07-202645001Docx.bat
Download: download sample
Signature RemcosRAT
File size:927'199 bytes
First seen:2026-07-17 07:55:06 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/x-msdos-batch
ssdeep 12288:PaeLCYmTtWsqHTbcBTyOKTuU2Nl3/AfMNJGN2aHhTrKKEfcZAq:PaeLCYmTgsqHcdZBNRsMNJGN9qu5
TLSH T1C015F02B2C812E8C2761465B37BBF06707EF5E614B90BD51AADB4E0DE6F071B09B441A
Magika batch
Reporter abuse_ch
Tags:bat RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
185.236.203.99:58798

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
185.236.203.99:58798 https://threatfox.abuse.ch/ioc/1852759/

Intelligence


File Origin
# of uploads :
1
# of downloads :
92
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
BatchScript
Details
Verdict:
Malicious
Score:
94.9%
Tags:
obfuscated shell sage
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
cmd lolbin powershell
Verdict:
Malicious
File Type:
unix shell
First seen:
2026-07-17T04:57:00Z UTC
Last seen:
2026-07-18T02:42:00Z UTC
Hits:
~100
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
AI detected malicious Powershell script
Antivirus detection for dropped file
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Compiles code for process injection (via .Net compiler)
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
Detected Remcos RAT
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Powerup Write Hijack DLL
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 reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1944060 Sample: Ref-17-07-202645001Docx.bat Startdate: 17/07/2026 Architecture: WINDOWS Score: 100 130 mr-b01.tm-azurefd.net 2->130 132 dentalux202.ydns.eu 2->132 134 2 other IPs or domains 2->134 140 Found malware configuration 2->140 142 Malicious sample detected (through community Yara rule) 2->142 144 Antivirus detection for dropped file 2->144 146 14 other signatures 2->146 12 cmd.exe 1 2->12         started        15 wscript.exe 1 2->15         started        17 wscript.exe 2->17         started        signatures3 process4 signatures5 178 Suspicious powershell command line found 12->178 180 Wscript starts Powershell (via cmd or directly) 12->180 182 Bypasses PowerShell execution policy 12->182 19 powershell.exe 16 12->19         started        21 conhost.exe 12->21         started        23 cmd.exe 1 12->23         started        25 HOSTNAME.EXE 1 12->25         started        184 Windows Scripting host queries suspicious COM object (likely to drop second stage) 15->184 186 Suspicious execution chain found 15->186 188 WScript reads language and country specific registry keys (likely country aware script) 15->188 27 cmd.exe 1 15->27         started        30 cmd.exe 17->30         started        process6 signatures7 32 cmd.exe 1 19->32         started        35 powershell.exe 27->35         started        37 conhost.exe 27->37         started        39 HOSTNAME.EXE 27->39         started        41 cmd.exe 27->41         started        174 Suspicious powershell command line found 30->174 176 Wscript starts Powershell (via cmd or directly) 30->176 43 powershell.exe 30->43         started        45 conhost.exe 30->45         started        47 HOSTNAME.EXE 30->47         started        49 cmd.exe 30->49         started        process8 signatures9 136 Suspicious powershell command line found 32->136 138 Wscript starts Powershell (via cmd or directly) 32->138 51 powershell.exe 1 28 32->51         started        55 powershell.exe 8 32->55         started        57 conhost.exe 32->57         started        63 4 other processes 32->63 59 cmd.exe 35->59         started        61 cmd.exe 43->61         started        process10 file11 116 C:\Users\user\AppData\...\c2sy2tbq.cmdline, Unicode 51->116 dropped 118 C:\Users\user\...\CoreServiceLauncher.vbs, ASCII 51->118 dropped 120 C:\Users\user\AppData\...\CoreServiceHost.bat, DOS 51->120 dropped 160 Writes to foreign memory regions 51->160 162 Injects a PE file into a foreign processes 51->162 65 MSBuild.exe 4 3 51->65         started        70 csc.exe 3 51->70         started        122 C:\Users\...\winlogon_040914921918214065.ps1, ASCII 55->122 dropped 164 Found suspicious powershell code related to unpacking or dynamic code loading 55->164 166 Compiles code for process injection (via .Net compiler) 55->166 72 powershell.exe 59->72         started        74 powershell.exe 59->74         started        76 conhost.exe 59->76         started        82 4 other processes 59->82 168 Suspicious powershell command line found 61->168 170 Wscript starts Powershell (via cmd or directly) 61->170 78 powershell.exe 61->78         started        80 powershell.exe 61->80         started        84 5 other processes 61->84 signatures12 process13 dnsIp14 128 dentalux202.ydns.eu 185.236.203.99, 49767, 49768, 58268 M247RO Sweden 65->128 102 C:\Users\user\AppData\...\Login Data.tmp, SQLite 65->102 dropped 104 C:\Users\user\AppData\...\Login Data.tmp, SQLite 65->104 dropped 106 C:\Users\user\...\Login Data For Account.tmp, SQLite 65->106 dropped 148 Contains functionality to bypass UAC (CMSTPLUA) 65->148 150 Detected Remcos RAT 65->150 152 Contains functionalty to change the wallpaper 65->152 158 4 other signatures 65->158 108 C:\Users\user\AppData\Local\...\c2sy2tbq.dll, PE32 70->108 dropped 86 cvtres.exe 1 70->86         started        88 MSBuild.exe 72->88         started        91 csc.exe 72->91         started        110 C:\Users\...\winlogon_040938191925731902.ps1, ASCII 74->110 dropped 112 C:\Users\user\AppData\Local\...\yfsajnoa.0.cs, Unicode 78->112 dropped 154 Writes to foreign memory regions 78->154 156 Injects a PE file into a foreign processes 78->156 94 MSBuild.exe 78->94         started        96 csc.exe 78->96         started        114 C:\Users\...\winlogon_04095087192997792.ps1, ASCII 80->114 dropped file15 signatures16 process17 file18 172 Detected Remcos RAT 88->172 124 C:\Users\user\AppData\Local\...\icfnbur2.dll, PE32 91->124 dropped 98 cvtres.exe 91->98         started        126 C:\Users\user\AppData\Local\...\yfsajnoa.dll, PE32 96->126 dropped 100 cvtres.exe 96->100         started        signatures19 process20
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:mne collection discovery execution persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
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.

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:Base64_Encoded_Powershell_Directives
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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:DebuggerCheck__QueryInfo
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:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
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:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Remcos_unpacked_PulseIntel
Author:PulseIntel
Description:Remcos Payload
Rule name:Sus_All_Windows_PE_Malware
Author:DiegoAnalytics
Description:Detects Windows PE malware of all types, avoids non-executables like .html
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:telebot_framework
Author:vietdx.mb
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/
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:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
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.

Comments