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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca82f79b9262ed0d97bd262afdb1cac993ef52eb478512c5659cc240fefb562b. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca82f79b9262ed0d97bd262afdb1cac993ef52eb478512c5659cc240fefb562b
SHA3-384 hash: cf7bbdcb6452e5516b1620b0e34fbd12caa24c839c7cce10d243a7b3c87a6a8890bdc5e6a0daa4d01daa5ff11f057de5
SHA1 hash: 6afdc3d72d1f5ae64e54ba4b8435d36b4db0bb29
MD5 hash: 91bcdde43d2be7fbcbcf87d10dc64bd0
humanhash: don-jersey-spaghetti-alaska
File name:ADNOC ContractorVendorSuppliers' Enrollment For The 20262027 Projects.vbs
Download: download sample
Signature GuLoader
Create hunting rule
File size:368'281 bytes
First seen:2026-10-19 00:50:40 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:AsXsYQYanWwOU7i/+UPxsSjD0OmpPD1IXhpsC5:AUsZoF+U5sQDrKGhaA
TLSH T1DF749DE15F852A018F25EB97CEA8897E53C02F32A2D06C70DDD609DC2128F59A1DFBD5
Magika vba
Reporter threatcat_ch
Tags:GuLoader vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
122
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/92549/
Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ad569855a22ac805bd7cc5d
Tags:
shell sage
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cloudeye cmd encrypted lolbin
Link:
https://www.filescan.io/uploads/6ad56986dc45a1888a424376/reports/6f3c6f61-a4e8-4e28-a750-cf328d97bccc/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/ca82f79b9262ed0d97bd262afdb1cac993ef52eb478512c5659cc240fefb562b
Verdict:
Malicious
File Type:
vbs
First seen:
2026-10-18T20:11:00Z UTC
Last seen:
2026-10-20T23:21:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/ca82f79b9262ed0d97bd262afdb1cac993ef52eb478512c5659cc240fefb562b/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/1988600
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
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1988600 Sample: ADNOC ContractorVendorSuppl... Startdate: 19/10/2026 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 VBScript performs obfuscated calls to suspicious functions 9->51 53 Wscript starts Powershell (via cmd or directly) 9->53 55 Obfuscated command line found 9->55 57 3 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 16 12->15         started        19 conhost.exe 12->19         started        21 cmd.exe 1 12->21         started        process8 dnsIp9 31 drive.usercontent.google.com 142.250.107.132, 443, 49716 GOOGLE-GoogleLLCUS United States 15->31 33 drive.google.com 142.250.73.142, 443, 49715 GOOGLE-GoogleLLCUS United States 15->33 35 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 15->35 37 Writes to foreign memory regions 15->37 39 Tries to detect Any.run 15->39 41 4 other signatures 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/ca82f79b9262ed0d97bd262afdb1cac993ef52eb478512c5659cc240fefb562b
Verdict:
Malware
YARA:
1 match(es)
Tags:
DeObfuscated Obfuscated T1027 T1059.005 VBScript
Link:
https://app.malva.re/file/91bcdde43d2be7fbcbcf87d10dc64bd0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ca82f79b9262ed0d97bd262afdb1cac993ef52eb478512c5659cc240fefb562b/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2026-10-19 00:51:21 UTC
File Type:
Text (VBS)
AV detection:
9 of 23 (39.13%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zkbppg4smlwq3f55eyvp3mokzgj66uxli6crfrlfttbeb7x3kyvq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion discovery execution
Link:
https://tria.ge/reports/261019-a7k32sde76/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Executes a command shell one-liner
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 NtSetInformationThreadHideFromDebugger
Contacts third-party web service commonly abused for C2
Checks QEMU agent file
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.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ca82f79b9262ed0d97bd262afdb1cac993ef52eb478512c5659cc240fefb562b

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:telebot_framework
Create hunting rule
Author:vietdx.mb

File information

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

Malspam

GuLoader

Visual Basic Script (vbs) vbs ca82f79b9262ed0d97bd262afdb1cac993ef52eb478512c5659cc240fefb562b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/92549/

Comments