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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf5585ed74df7617f940673aabc07101cca326c2b7600823772c2906398df4e4. 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 1 File information Comments
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SHA256 hash: cf5585ed74df7617f940673aabc07101cca326c2b7600823772c2906398df4e4
SHA3-384 hash: 56467067ab2ccbdfa4631048ff5a953453e08b2fc18546bde607d41380a727dd159c49c56cda1316949e679dab48c736
SHA1 hash: e35460f203dabb6f7852445f62194243d2a95e51
MD5 hash: ba6621da2888fcc53e0f52705d1d61f9
humanhash: east-zulu-lemon-spaghetti
File name:NEW RFQ # 6200471116.vbe
Download: download sample
Signature GuLoader
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File size:15'318 bytes
First seen:2026-10-12 07:59:10 UTC
Last seen:2026-10-14 15:41:07 UTC
File type:Visual Basic Script (vbe) vbe
MIME type:text/plain
ssdeep 384:Q42pBOVNj8W85CadYxpAMlYE7Bf9wXd0vZTIIDuyaNd:T2Qjmlk7EXCAy6
TLSH T1E762EA21CB0E311D4F8ADFC1B489CC96453312617111A839B9FDBEBAC413BDC61789AD
Magika vba
Reporter abuse_ch
Tags:GuLoader vbe

Intelligence

File Origin
# of uploads :
2
# of downloads :
88
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Win32.SuspectCrc.835.9789.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ad0f4856f551121ba1615dc
Tags:
virus shell sage
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd lolbin obfuscated
Link:
https://www.filescan.io/uploads/6acc9359bf66bb26f8074d22/reports/7dc3ac34-8756-4b25-9692-fec91735fda7/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/cf5585ed74df7617f940673aabc07101cca326c2b7600823772c2906398df4e4
Verdict:
Malicious
File Type:
vbs
First seen:
2026-10-11T18:03:00Z UTC
Last seen:
2026-10-14T06:36:00Z UTC
Hits:
~10000
Link:
https://opentip.kaspersky.com/cf5585ed74df7617f940673aabc07101cca326c2b7600823772c2906398df4e4/results?tab=lookup
Result
Threat name:
Remcos, GuLoader
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Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1985793
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)
Obfuscated command line found
Powershell connects to network
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Switches to a custom stack to bypass stack traces
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 GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1985793 Sample: NEW RFQ # 6200471116.vbe Startdate: 12/10/2026 Architecture: WINDOWS Score: 100 36 drive.usercontent.google.com 2->36 38 drive.google.com 2->38 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Yara detected GuLoader 2->54 56 5 other signatures 2->56 10 wscript.exe 1 2->10         started        signatures3 process4 signatures5 64 Wscript starts Powershell (via cmd or directly) 10->64 66 Obfuscated command line found 10->66 68 Windows Scripting host queries suspicious COM object (likely to drop second stage) 10->68 70 2 other signatures 10->70 13 cmd.exe 1 10->13         started        process6 signatures7 72 Wscript starts Powershell (via cmd or directly) 13->72 16 powershell.exe 1 18 13->16         started        20 conhost.exe 13->20         started        22 cmd.exe 1 13->22         started        process8 dnsIp9 32 drive.usercontent.google.com 142.251.210.33, 443, 49738, 49747 GOOGLE-GoogleLLCUS United States 16->32 34 drive.google.com 142.251.211.174, 443, 49737, 49746 GOOGLE-GoogleLLCUS United States 16->34 42 Writes to foreign memory regions 16->42 44 Found suspicious powershell code related to unpacking or dynamic code loading 16->44 46 Hides threads from debuggers 16->46 48 2 other signatures 16->48 24 backgroundTaskHost.exe 4 6 16->24         started        28 backgroundTaskHost.exe 16->28         started        signatures10 process11 dnsIp12 40 216.9.224.78, 2404 WHITELABELUS United States 24->40 58 Detected Remcos RAT 24->58 60 Hides threads from debuggers 24->60 30 backgroundTaskHost.exe 24->30         started        62 Unusual module load detection (module proxying) 28->62 signatures13 process14
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/cf5585ed74df7617f940673aabc07101cca326c2b7600823772c2906398df4e4
Verdict:
Malware
YARA:
1 match(es)
Tags:
COM Behavior Trace DeObfuscated Obfuscated SOS: 0.32 T1027 T1059.005 VBScript WScript.Shell
Link:
https://app.malva.re/file/ba6621da2888fcc53e0f52705d1d61f9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cf5585ed74df7617f940673aabc07101cca326c2b7600823772c2906398df4e4/
Threat name:
Win32.Trojan.Malgent
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Status:
Malicious
First seen:
2026-10-11 23:14:36 UTC
File Type:
Text (VBS)
AV detection:
12 of 23 (52.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=z5kyl3lu353bp6kam45kxqdrahgkgjwcw5qaqi3xfquqmomn6tsa._file
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:guloader family:remcos botnet:remotehost defense_evasion discovery downloader execution privilege_escalation rat
Link:
https://tria.ge/reports/261012-jvly9agx41/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Executes a command shell one-liner
System Location Discovery: System Language Discovery
Executes a VBScript file via the Windows Script Host.
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Contacts third-party web service commonly abused for C2
Checks computer location settings
Badlisted process makes network request
Family: Guloader,Cloudeye
Family: Remcos
Malware Config
C2 Extraction:
216.9.224.78:2404
Malware family:
Remcos
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cf5585ed74df/report/overview.html
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:Guloader_VBScript
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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.

Comments