MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c730cd6bf03eae343899fbde12a1b113f3a2b7833e7c4e7101cb609bd29df041. 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 32 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c730cd6bf03eae343899fbde12a1b113f3a2b7833e7c4e7101cb609bd29df041
SHA3-384 hash: e339135d3379cf645873a33f30b5d3b906f3fe4ed965e7d879baae053ce77741c40a921d8badc07539e196b4be8bf8a2
SHA1 hash: 93f30b486e8788e94cd1139031d673c036856f74
MD5 hash: 213f06f8be791378ec619fcb17f7ff90
humanhash: angel-muppet-blue-south
File name:secured_stub.ps1
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:2'374'455 bytes
First seen:2026-07-14 06:54:54 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 24576:EVRYpnMG4peE5wGwdBO9cehwpBR5binOSGh8E950Je2jJm3BcBJ7dZ3Hr3QTgR1y:2WGvDKWwHbuOEEDcRdBMsDofp+W
TLSH T138B533585D485ADB4E20F7FA762BBC48B6DC938BADC21303026C87B572E44B88B77C55
Magika powershell
Reporter abuse_ch
Tags:ps1 RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
79
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a55dd783d3a766c4391c775
Tags:
ransomware spawn hype
Verdict:
Suspicious
Labled as:
PowerShell/Kryptik.NG trojan
Link:
https://www.hybrid-analysis.com/sample/c730cd6bf03eae343899fbde12a1b113f3a2b7833e7c4e7101cb609bd29df041
Verdict:
Malicious
File Type:
ps1
First seen:
2026-07-14T02:44:00Z UTC
Last seen:
2026-07-14T12:58:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/c730cd6bf03eae343899fbde12a1b113f3a2b7833e7c4e7101cb609bd29df041/results?tab=lookup
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1941975
Signature
AI detected malicious Powershell script
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Sigma detected: Potentially Suspicious ASP.NET Compilation Via AspNetCompiler
Sigma detected: Remcos
Suricata IDS alerts for network traffic
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)
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected Powershell decode and execute
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: 1941975 Sample: secured_stub.ps1 Startdate: 14/07/2026 Architecture: WINDOWS Score: 100 36 geoplugin.net 2->36 44 Suricata IDS alerts for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 10 other signatures 2->50 8 powershell.exe 20 2->8         started        11 svchost.exe 1 1 2->11         started        signatures3 process4 dnsIp5 52 Writes to foreign memory regions 8->52 54 Injects a PE file into a foreign processes 8->54 14 aspnet_compiler.exe 4 6 8->14         started        18 aspnet_compiler.exe 8->18         started        20 conhost.exe 8->20         started        22 4 other processes 8->22 38 127.0.0.1 unknown unknown 11->38 signatures6 process7 dnsIp8 40 155.103.71.115, 15670, 49700, 49701 WHITELABELUS Turkey 14->40 42 geoplugin.net 178.237.33.50, 49702, 80 ATOM86-ASATOM86NL Netherlands 14->42 62 Detected Remcos RAT 14->62 64 Maps a DLL or memory area into another process 14->64 24 aspnet_compiler.exe 1 14->24         started        27 aspnet_compiler.exe 1 14->27         started        29 aspnet_compiler.exe 13 14->29         started        32 2 other processes 14->32 66 Contains functionality to bypass UAC (CMSTPLUA) 18->66 68 Contains functionalty to change the wallpaper 18->68 70 Contains functionality to steal Chrome passwords or cookies 18->70 72 5 other signatures 18->72 signatures9 process10 file11 56 Tries to steal Instant Messenger accounts or passwords 24->56 58 Tries to steal Mail credentials (via file / registry access) 24->58 60 Tries to harvest and steal browser information (history, passwords, etc) 27->60 34 C:\Users\user\AppData\...\wtbeloaqaifnrxoehb, Unicode 29->34 dropped signatures12
Score:
41%
Verdict:
Susipicious
File Type:
SCRIPT
Link:
https://malprob.io/report/c730cd6bf03eae343899fbde12a1b113f3a2b7833e7c4e7101cb609bd29df041
Gathering data
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c730cd6bf03eae343899fbde12a1b113f3a2b7833e7c4e7101cb609bd29df041/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-07-14 07:02:40 UTC
File Type:
Text (PowerShell)
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=y4ym227qh2xdioez7ppbfinrcpz2fn4dhz6e44ibznqjxuu56baq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
fantomcrypt
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery execution rat
Link:
https://tria.ge/reports/260714-hp9mpaaw21/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Command and Scripting Interpreter: PowerShell
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Accesses Microsoft Outlook profiles
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Family: Remcos
Malware Config
C2 Extraction:
155.103.71.115:15670
155.103.71.115:15680
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/c730cd6bf03eae343899fbde12a1b113f3a2b7833e7c4e7101cb609bd29df041

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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_powershell
Create hunting rule
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
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:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Remcos_unpacked_PulseIntel
Create hunting rule
Author:PulseIntel
Description:Remcos Payload
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
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Create hunting rule
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
Create hunting rule
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:Warp
Create hunting rule
Author:Seth Hardy
Description:Warp
Rule name:WarpStrings
Create hunting rule
Author:Seth Hardy
Description:Warp Identifying Strings
Rule name:Windows_Trojan_Remcos_921ef449
Create hunting rule
Author:Elastic Security
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_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
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.

Web download

RemcosRAT

PowerShell (PS) ps1 c730cd6bf03eae343899fbde12a1b113f3a2b7833e7c4e7101cb609bd29df041

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3885976/
  
Delivery method
Distributed via web download

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