MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ed971bcfc5a9eebfbecc9aab050ffb9e6d9cfe38a72fd6f74cfec39cbd31475f. 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: 13


Intelligence 13 IOCs YARA File information Comments

SHA256 hash: ed971bcfc5a9eebfbecc9aab050ffb9e6d9cfe38a72fd6f74cfec39cbd31475f
SHA3-384 hash: 2d9b67aab077dc2401e891af2b871baf1b209b5c9c00d27276b3934950dd3a505e8f8f9baa9502c81e266b4f19df6e9a
SHA1 hash: 1238249428e66aece4a091a62891fa52f3228cb7
MD5 hash: 0e5f5826c38d92fd86cc88538ee04681
humanhash: moon-connecticut-north-lima
File name:task.vbs
Download: download sample
Signature RemcosRAT
File size:78'457 bytes
First seen:2025-08-23 09:30:16 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 768:gqFlN3ThDG1WMNUq+H+uYFD0DH3K/DGmb/am/A37LfIgYRhg7/31qEGn:gqFL+WMNUqk8FD0DH38bym437/chn
Threatray 1'364 similar samples on MalwareBazaar
TLSH T12D7364FA36550301CE29729736B23A05E87DA0FC9A5946AD5C89B1FFA025F334CF7684
Magika vba
Reporter abuse_ch
Tags:RemcosRAT vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
68
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
obfuscate valyria xtreme virus
Verdict:
Malicious
File Type:
vbs
First seen:
2025-08-22T18:10:00Z UTC
Last seen:
2025-08-22T18:10:00Z UTC
Hits:
~10
Result
Threat name:
Remcos, PureLog Stealer
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
Creates processes via WMI
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
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 AntiVM3
Yara detected Costura Assembly Loader
Yara detected Powershell download and execute
Yara detected PureLog Stealer
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1763557 Sample: task.vbs Startdate: 23/08/2025 Architecture: WINDOWS Score: 100 28 domaninspalillos.duckdns.org 2->28 30 documentosyarchivos.online 2->30 32 5 other IPs or domains 2->32 46 Suricata IDS alerts for network traffic 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 54 15 other signatures 2->54 9 wscript.exe 2->9         started        signatures3 52 Uses dynamic DNS services 28->52 process4 signatures5 60 Suspicious powershell command line found 9->60 62 Wscript starts Powershell (via cmd or directly) 9->62 64 Windows Scripting host queries suspicious COM object (likely to drop second stage) 9->64 66 2 other signatures 9->66 12 powershell.exe 14 15 9->12         started        process6 dnsIp7 36 documentosyarchivos.online 147.93.38.75, 443, 49691 ICN-ASUS Belgium 12->36 68 Writes to foreign memory regions 12->68 70 Injects a PE file into a foreign processes 12->70 16 MSBuild.exe 2 12->16         started        19 conhost.exe 12->19         started        signatures8 process9 signatures10 38 Contains functionality to bypass UAC (CMSTPLUA) 16->38 40 Contains functionalty to change the wallpaper 16->40 42 Contains functionality to steal Chrome passwords or cookies 16->42 44 4 other signatures 16->44 21 MSBuild.exe 4 2 16->21         started        process11 dnsIp12 34 domaninspalillos.duckdns.org 179.13.9.173, 2415 ColombiaMovilCO Colombia 21->34 26 C:\ProgramData\remcos\logs.dat, data 21->26 dropped 56 Detected Remcos RAT 21->56 58 Installs a global keyboard hook 21->58 file13 signatures14
Verdict:
Malware
YARA:
1 match(es)
Tags:
Batch Command DeObfuscated PowerShell PowerShell Call Scripting.FileSystemObject SMTPControl.SMTP VBScript
Threat name:
Win32.Trojan.Valyria
Status:
Malicious
First seen:
2025-08-22 20:39:57 UTC
AV detection:
8 of 38 (21.05%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:dex2 defense_evasion discovery execution rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Modifies trusted root certificate store through registry
Process spawned unexpected child process
Remcos
Remcos family
Malware Config
C2 Extraction:
domaninspalillos.duckdns.org:2415
Dropper Extraction:
https://documentosyarchivos.online/MSI1.png
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

RemcosRAT

Visual Basic Script (vbs) vbs ed971bcfc5a9eebfbecc9aab050ffb9e6d9cfe38a72fd6f74cfec39cbd31475f

(this sample)

  
Delivery method
Distributed via web download

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