MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 26c03e239c5307b179b22eb031cac2be44d61102e2c019c8c110c69b7b38d525. 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: 9
| SHA256 hash: | 26c03e239c5307b179b22eb031cac2be44d61102e2c019c8c110c69b7b38d525 |
|---|---|
| SHA3-384 hash: | a72bb02189b505c6509d185c7ccf4012904ce21580bdd6949435e90413152d9b8b90ce9c38b2a99ccd56c132f0e1433a |
| SHA1 hash: | 4d8f100eecce4c76a507efe386caa2c15fabd90e |
| MD5 hash: | 8332d874f338a0b883f58c763306944c |
| humanhash: | mango-spring-king-enemy |
| File name: | 000261026_PDF.vbs |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 74'412 bytes |
| First seen: | 2026-10-26 07:45:37 UTC |
| Last seen: | Never |
| File type: | |
| MIME type: | text/plain |
| ssdeep | 1536:zo3f2RJS3XpbcdyDhI0z9YSQHXwSBwOsGeOxBzgl+Azb0E9kv8:zcfQipAdyK0z9YjXwwwOYOfzgl+eZ9kU |
| TLSH | T14D737D70EE14021A0E4B27EAFC995665C5BC8215022740F5FED9271EA107EECE7FE62D |
| Magika | vba |
| Reporter | |
| Tags: | GuLoader vbs |
Intelligence
File Origin
# of uploads :
1
# of downloads :
94
Origin country :
SEVendor Threat Intelligence
No detections
Detection:
n/a
Detection(s):
Verdict:
Clean
Score:
99.9%
Tags:
n/a
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
encrypted masquerade obfuscated
Verdict:
Malicious
File Type:
vbs
First seen:
2026-10-26T01:04:00Z UTC
Last seen:
2026-10-28T05:40:00Z UTC
Hits:
~100
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
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:
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Verdict:
Malware
YARA:
1 match(es)
Tags:
DeObfuscated Obfuscated SOS: 0.26 T1027 T1059.005 VBS Execute Sub-Script VBScript
Threat name:
Script-WScript.Trojan.GuLoader
Status:
Malicious
First seen:
2026-10-26 07:46:36 UTC
File Type:
Text (VBS)
AV detection:
11 of 38 (28.95%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
8/10
Tags:
defense_evasion discovery execution
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
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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