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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd33ecf7a7348b9e1ccbbfb11a2f5c32468436347d293132928286705192fa2a. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cd33ecf7a7348b9e1ccbbfb11a2f5c32468436347d293132928286705192fa2a
SHA3-384 hash: f9e8df1d14ec27ed7c4bf4dc0102aafbe9b2facbb084474a9a1ec25b8be9c257bb37384fb96a3901ce5958157808b8bd
SHA1 hash: 490882df66a7db97c3c9faaf4fda0067d9ede6f1
MD5 hash: 98ec76f7a6d0f36190491fe646200248
humanhash: india-mango-nebraska-william
File name:PO20251020001 - AL ADRAK_docx.vbs
Download: download sample
Signature GuLoader
Create hunting rule
File size:54'480 bytes
First seen:2025-10-20 14:13:05 UTC
Last seen:2025-10-21 07:16:39 UTC
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:yz+7+xFNkaNYtG3eT4YzlnZEOgSfo2+ST:o+7+x7kaNYtG3e02Z5gef
TLSH T1F633F861D8E615894F663675FD204D38B1ACD307510A10F4BFAA7E3C1015B9AFAECB8A
Magika vba
Reporter abuse_ch
Tags:GuLoader vbs

Intelligence

File Origin
# of uploads :
2
# of downloads :
140
Origin country :
SE SE
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/33477/
Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68f6439a6dc4a08515e3824a
Tags:
obfuscate xtreme virus
Verdict:
Malicious
Labled as:
VBS/Agent.QMG trojan
Link:
https://www.hybrid-analysis.com/sample/cd33ecf7a7348b9e1ccbbfb11a2f5c32468436347d293132928286705192fa2a
Verdict:
Malicious
File Type:
vbs
First seen:
2025-10-20T01:04:00Z UTC
Last seen:
2025-10-22T11:35:00Z UTC
Hits:
~1000
Detections:
HEUR:Trojan.VBS.SAgent.gen HEUR:Trojan.Script.Generic Trojan.JS.SAgent.sb
Link:
https://opentip.kaspersky.com/cd33ecf7a7348b9e1ccbbfb11a2f5c32468436347d293132928286705192fa2a/results?tab=lookup
Result
Threat name:
Remcos, GuLoader
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1798446
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Early bird code injection technique detected
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
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
Multi AV Scanner detection for submitted file
Obfuscated command line found
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Queues an APC in another process (thread injection)
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
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)
Uses dynamic DNS services
VBScript performs obfuscated calls to suspicious functions
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected GuLoader
Yara detected Powershell decode and execute
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1798446 Sample: PO20251020001 - AL ADRAK_docx.vbs Startdate: 20/10/2025 Architecture: WINDOWS Score: 100 44 office-winemag.duckdns.org 2->44 46 webmail.forpsi.com 2->46 66 Suricata IDS alerts for network traffic 2->66 68 Found malware configuration 2->68 70 Malicious sample detected (through community Yara rule) 2->70 74 13 other signatures 2->74 9 powershell.exe 33 2->9         started        12 wscript.exe 1 2->12         started        signatures3 72 Uses dynamic DNS services 44->72 process4 signatures5 86 Early bird code injection technique detected 9->86 88 Writes to foreign memory regions 9->88 90 Found suspicious powershell code related to unpacking or dynamic code loading 9->90 100 4 other signatures 9->100 14 msiexec.exe 6 10 9->14         started        19 conhost.exe 9->19         started        92 VBScript performs obfuscated calls to suspicious functions 12->92 94 Suspicious powershell command line found 12->94 96 Wscript starts Powershell (via cmd or directly) 12->96 98 Suspicious execution chain found 12->98 21 powershell.exe 14 28 12->21         started        process6 dnsIp7 48 office-winemag.duckdns.org 217.138.212.53, 49696, 49697, 55087 M247GB United Kingdom 14->48 38 C:\Users\user\AppData\Local\Temp\TH732C.tmp, MS-DOS 14->38 dropped 40 C:\Users\user\AppData\Local\Temp\TH7251.tmp, MS-DOS 14->40 dropped 42 C:\Users\user\AppData\Local\Temp\TH7175.tmp, PE32 14->42 dropped 52 Detected Remcos RAT 14->52 54 Obfuscated command line found 14->54 56 Writes to foreign memory regions 14->56 64 3 other signatures 14->64 23 RmClient.exe 1 14->23         started        26 RmClient.exe 1 14->26         started        28 cmd.exe 1 14->28         started        32 4 other processes 14->32 50 webmail.forpsi.com 81.2.195.208, 443, 49691, 49695 INTERNET-CZKtis238403KtisCZ Czech Republic 21->50 58 Found suspicious powershell code related to unpacking or dynamic code loading 21->58 60 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 21->60 62 Loading BitLocker PowerShell Module 21->62 30 conhost.exe 21->30         started        file8 signatures9 process10 signatures11 76 Tries to steal Instant Messenger accounts or passwords 23->76 78 Tries to steal Mail credentials (via file / registry access) 23->78 80 Tries to harvest and steal browser information (history, passwords, etc) 26->80 82 Obfuscated command line found 28->82 34 conhost.exe 28->34         started        36 reg.exe 1 1 28->36         started        84 Tries to steal Mail credentials (via file registry) 32->84 process12
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/cd33ecf7a7348b9e1ccbbfb11a2f5c32468436347d293132928286705192fa2a
Verdict:
inconclusive
YARA:
1 match(es)
Link:
https://app.malva.re/file/98ec76f7a6d0f36190491fe646200248
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cd33ecf7a7348b9e1ccbbfb11a2f5c32468436347d293132928286705192fa2a/
Verdict:
Malicious
Threat:
Trojan.VBS.SAgent
Link:
https://tip.neiki.dev/file/cd33ecf7a7348b9e1ccbbfb11a2f5c32468436347d293132928286705192fa2a
Threat name:
Script-WScript.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2025-10-20 04:11:03 UTC
File Type:
Text (VBS)
AV detection:
12 of 38 (31.58%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zuz6z55hgsfz4hglx6yrul24gjdiinrupuutcmusqkdhaums7iva._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/251020-rjve9ahs3a/
Behaviour
Modifies registry class
Badlisted process makes network request
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cd33ecf7a734/report/overview.html
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/cd33ecf7a7348b9e1ccbbfb11a2f5c32468436347d293132928286705192fa2a

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/33477/

Comments