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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 653951f4b2a8a86bf938ea67c2a513ea8d72a1b4fcb996335767e02533a5de83. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 653951f4b2a8a86bf938ea67c2a513ea8d72a1b4fcb996335767e02533a5de83
SHA3-384 hash: 7a60da799624a72e96b146951aadc89953550ee39f73375e323cad91c884642c6a630768e6a5f979580a93db9175cdb6
SHA1 hash: 785dbf13453663d1b6fc3349f4bd63d22d5d2b25
MD5 hash: 1e10e98f3e7ce509308dd96aa8e63a01
humanhash: cardinal-spring-artist-emma
File name:CICU3023855.vbe
Download: download sample
Signature GuLoader
Create hunting rule
File size:15'829 bytes
First seen:2026-10-12 06:19:38 UTC
Last seen:Never
File type:Visual Basic Script (vbe) vbe
MIME type:text/plain
ssdeep 384:r42DYo07qVNZWKkcQHQurHAPET8ihB2J/ZTbPzZRd:U2K0mTTVhe1db
TLSH T1D462D668C726760F8D8BB7865C048C0555B11B78B0113F34B9E8B6BAC723E484AFDFA5
Magika vba
Reporter lowmal3
Tags:GuLoader vbe

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd lolbin obfuscated
Link:
https://www.filescan.io/uploads/6acc7c20667750ef6cca8ea1/reports/a99b4508-856f-49c8-ba1f-a99d3e350281/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/653951f4b2a8a86bf938ea67c2a513ea8d72a1b4fcb996335767e02533a5de83
Verdict:
Malicious
File Type:
vbs
First seen:
2026-10-11T19:11:00Z UTC
Last seen:
2026-10-12T03:17:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/653951f4b2a8a86bf938ea67c2a513ea8d72a1b4fcb996335767e02533a5de83/results?tab=lookup
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1985684
Signature
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Obfuscated command line found
Powershell connects to network
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Switches to a custom stack to bypass stack traces
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1985684 Sample: CICU3023855.vbe Startdate: 12/10/2026 Architecture: WINDOWS Score: 100 27 drive.usercontent.google.com 2->27 29 drive.google.com 2->29 43 Malicious sample detected (through community Yara rule) 2->43 45 Yara detected GuLoader 2->45 47 Sigma detected: WScript or CScript Dropper 2->47 49 Joe Sandbox ML detected suspicious sample 2->49 9 wscript.exe 1 2->9         started        signatures3 process4 signatures5 51 Wscript starts Powershell (via cmd or directly) 9->51 53 Obfuscated command line found 9->53 55 Windows Scripting host queries suspicious COM object (likely to drop second stage) 9->55 57 2 other signatures 9->57 12 cmd.exe 1 9->12         started        process6 signatures7 59 Wscript starts Powershell (via cmd or directly) 12->59 15 powershell.exe 1 17 12->15         started        19 conhost.exe 12->19         started        21 cmd.exe 1 12->21         started        process8 dnsIp9 31 drive.usercontent.google.com 142.250.188.1, 443, 49710 GOOGLE-GoogleLLCUS United States 15->31 33 drive.google.com 142.250.191.14, 443, 49708 GOOGLE-GoogleLLCUS United States 15->33 35 Writes to foreign memory regions 15->35 37 Found suspicious powershell code related to unpacking or dynamic code loading 15->37 39 Switches to a custom stack to bypass stack traces 15->39 41 Powershell connects to network 15->41 23 backgroundTaskHost.exe 15->23         started        25 backgroundTaskHost.exe 15->25         started        signatures10 process11
Score:
98%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/653951f4b2a8a86bf938ea67c2a513ea8d72a1b4fcb996335767e02533a5de83
Verdict:
Malware
YARA:
1 match(es)
Tags:
COM Behavior Trace DeObfuscated Obfuscated SOS: 0.29 T1027 T1059.005 VBScript WScript.Shell
Link:
https://app.malva.re/file/1e10e98f3e7ce509308dd96aa8e63a01
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/653951f4b2a8a86bf938ea67c2a513ea8d72a1b4fcb996335767e02533a5de83/
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mu4vd5fsvcugx6jy5jt4fjit5kgxfinu7s4zmm2xm7qckm5f32bq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion discovery execution privilege_escalation
Link:
https://tria.ge/reports/261012-g3v6sawy9l/
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 NtSetInformationThreadHideFromDebugger
Contacts third-party web service commonly abused for C2
Checks computer location settings
Badlisted process makes network request
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
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.

Comments