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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4530cf3cf00da499112a8708e1ad4317ded0bb659f7f772f0ed219d5bfcc8a95. 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


GuLoader


Vendor detections: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4530cf3cf00da499112a8708e1ad4317ded0bb659f7f772f0ed219d5bfcc8a95
SHA3-384 hash: 87a4530864eeca3e8aae16b615169966c7c4cd088a0594529271f333de54ffefb81131363c4b36676fbd80b367793175
SHA1 hash: e9ba430e613fca364f760de84b56b80a5414f14e
MD5 hash: 92b0dc156febeeef79f2c1e1600e41f1
humanhash: fish-paris-item-london
File name:Cynomorphous19.vbs
Download: download sample
Signature GuLoader
Create hunting rule
File size:40'872 bytes
First seen:2026-11-11 09:20:03 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 768:Ng+aThpj8vNwPxZwNwBtc2JcY2eeL8CQEoOm/ezeq:NgFhpjCuxZGwBtcujewGoOm0eq
TLSH T1D90329B79B7D1FD5C50715A3C84A0A25B85C3C7D2FC2393C2A6FA55C2C12308A66B7B6
Magika vba
Reporter lowmal3
Tags:GuLoader vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
95
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/99427/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6af43354beffd05f052b09dc
Tags:
infosteal injection shell sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching a process
DNS request
Connection attempt
Sending a custom TCP request
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd lolbin obfuscated
Link:
https://www.filescan.io/uploads/6af4334bc4c7279d92ba0d84/reports/b2a7ce33-4780-4a78-aec4-3e10942e965c/overview
Verdict:
Malicious
Labled as:
PowerShell/CloudEye.QQ trojan
Link:
https://www.hybrid-analysis.com/sample/4530cf3cf00da499112a8708e1ad4317ded0bb659f7f772f0ed219d5bfcc8a95
Verdict:
Malicious
File Type:
vbs
Link:
https://opentip.kaspersky.com/4530cf3cf00da499112a8708e1ad4317ded0bb659f7f772f0ed219d5bfcc8a95/results?tab=lookup
Result
Threat name:
Remcos, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/2003968
Signature
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Hides threads from debuggers
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Obfuscated command line found
Powershell connects to network
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Unusual module load detection (module proxying)
VBScript performs obfuscated calls to suspicious functions
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 GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 2003968 Sample: Cynomorphous19.vbs Startdate: 11/11/2026 Architecture: WINDOWS Score: 100 43 geoplugin.net 2->43 45 drive.usercontent.google.com 2->45 47 drive.google.com 2->47 63 Suricata IDS alerts for network traffic 2->63 65 Found malware configuration 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 6 other signatures 2->69 10 wscript.exe 1 2->10         started        signatures3 process4 signatures5 79 VBScript performs obfuscated calls to suspicious functions 10->79 81 Wscript starts Powershell (via cmd or directly) 10->81 83 Obfuscated command line found 10->83 85 3 other signatures 10->85 13 cmd.exe 1 10->13         started        process6 signatures7 87 Wscript starts Powershell (via cmd or directly) 13->87 16 powershell.exe 1 18 13->16         started        20 conhost.exe 13->20         started        22 cmd.exe 1 13->22         started        process8 dnsIp9 39 drive.usercontent.google.com 142.251.211.225, 443, 49712 GOOGLE-GoogleLLCUS United States 16->39 41 drive.google.com 142.251.35.238, 443, 49711, 49713 GOOGLE-GoogleLLCUS United States 16->41 55 Writes to foreign memory regions 16->55 57 Found suspicious powershell code related to unpacking or dynamic code loading 16->57 59 Hides threads from debuggers 16->59 61 2 other signatures 16->61 24 backgroundTaskHost.exe 4 6 16->24         started        28 backgroundTaskHost.exe 16->28         started        signatures10 process11 dnsIp12 49 31.57.216.7, 2404, 49715, 49716 VPSDEDICATED-ASUS Slovenia 24->49 51 142.251.35.225, 443, 49714 GOOGLE-GoogleLLCUS United States 24->51 53 geoplugin.net 178.237.33.50, 49717, 80 ATOM86-ASATOM86NL Netherlands 24->53 71 Detected Remcos RAT 24->71 73 Maps a DLL or memory area into another process 24->73 75 Hides threads from debuggers 24->75 30 backgroundTaskHost.exe 13 24->30         started        33 backgroundTaskHost.exe 1 24->33         started        35 backgroundTaskHost.exe 1 24->35         started        37 backgroundTaskHost.exe 24->37         started        77 Unusual module load detection (module proxying) 28->77 signatures13 process14 signatures15 89 Tries to harvest and steal browser information (history, passwords, etc) 30->89
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/4530cf3cf00da499112a8708e1ad4317ded0bb659f7f772f0ed219d5bfcc8a95
Verdict:
Malware
YARA:
1 match(es)
Tags:
COM Behavior Trace DeObfuscated Obfuscated PowerShell SOS: 0.27 T1027 T1059.001 T1059.005 VBScript WScript.Shell
Link:
https://app.malva.re/file/92b0dc156febeeef79f2c1e1600e41f1
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4530cf3cf00da499112a8708e1ad4317ded0bb659f7f772f0ed219d5bfcc8a95/
Threat name:
Script-WScript.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2026-11-11 01:22:36 UTC
File Type:
Text (VBS)
AV detection:
3 of 36 (8.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=iuym6phqbwsjsejkq4eodlkdc7pnbo3ft57xolyo2im5lp6mrkkq._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection defense_evasion discovery execution privilege_escalation rat
Link:
https://tria.ge/reports/261111-lawdasge96/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Enumerates physical storage devices
Executes a command shell one-liner
Program crash
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Executes a VBScript file via the Windows Script Host.
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Accesses Microsoft Outlook profiles
Contacts third-party web service commonly abused for C2
Checks computer location settings
Badlisted process makes network request
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Family: Remcos
Malware Config
C2 Extraction:
31.57.216.7:2404
Malware Family:
cjz2
Create hunting rule
Malicious:
True
Tags:
exec file-write obfuscated vba
Link:
https://intel.virussign.com/intelligence/file/4530cf3cf00da499112a8708e1ad4317ded0bb659f7f772f0ed219d5bfcc8a95
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/4530cf3cf00da499112a8708e1ad4317ded0bb659f7f772f0ed219d5bfcc8a95

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:detect_tiny_vbs
Create hunting rule
Author:daniyyell
Description:Detects tiny VBS delivery technique
Rule name:Guloader_VBScript
Create hunting rule
Author:Ankit Anubhav - ankitanubhav.info
Description:Detects GuLoader/CloudEye VBScripts

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/99427/

Comments