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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88090f6ab98c87a60a7b6e9b722bd19316dcb68534239ea064575fecb71cdc1f. 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 File information Comments

SHA256 hash: 88090f6ab98c87a60a7b6e9b722bd19316dcb68534239ea064575fecb71cdc1f
SHA3-384 hash: 474634d4f676b9f0eca102f8f206b4f2e140d97a45181d312d798d5dc9f4ba4742cc046fbe18f5716931df6ee8478fd7
SHA1 hash: 0d9cce8c547ac348290fa21341a4c00c627805fb
MD5 hash: dc5fefff42898426843578729e649493
humanhash: virginia-november-spaghetti-uranus
File name:Information file.vbs
Download: download sample
Signature GuLoader
File size:24'906 bytes
First seen:2026-10-01 14:54:22 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 384:K4ZRyBmfnNWQy19dYMwgXt90heCTt7+9KhLGY2o6AiPd1yezRrYhtnbhWf1dPMMu:Kc+30M4afvKnYdPnJ89np
TLSH T104B273CB8806CFF01A2A3659B55F6416B91007B5BB38794B3D8FC14D3B7A924FBD10A6
Magika vba
Reporter abuse_ch
Tags:GuLoader vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
75
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
File Type:
vbs
First seen:
2026-10-01T08:42:00Z UTC
Last seen:
2026-10-01T11:54:00Z UTC
Hits:
~100
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Antivirus detection for URL or domain
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Bypass UAC via Fodhelper.exe
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
UAC bypass detected (Fodhelper)
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1980746 Sample: Information file.vbs Startdate: 01/10/2026 Architecture: WINDOWS Score: 100 100 pki-goog.l.google.com 2->100 102 mr-b01.tm-azurefd.net 2->102 104 2 other IPs or domains 2->104 110 Suricata IDS alerts for network traffic 2->110 112 Malicious sample detected (through community Yara rule) 2->112 114 Antivirus detection for URL or domain 2->114 116 13 other signatures 2->116 10 wscript.exe 1 2->10         started        13 wscript.exe 2->13         started        15 wscript.exe 2->15         started        17 6 other processes 2->17 signatures3 process4 signatures5 120 VBScript performs obfuscated calls to suspicious functions 10->120 122 Suspicious powershell command line found 10->122 124 Wscript starts Powershell (via cmd or directly) 10->124 128 2 other signatures 10->128 19 powershell.exe 10->19         started        126 WScript reads language and country specific registry keys (likely country aware script) 13->126 22 powershell.exe 13->22         started        24 powershell.exe 15->24         started        26 powershell.exe 17->26         started        28 powershell.exe 17->28         started        30 powershell.exe 17->30         started        32 powershell.exe 17->32         started        process6 signatures7 118 Suspicious powershell command line found 19->118 34 AppLaunch.exe 2 4 19->34         started        37 csc.exe 3 19->37         started        42 3 other processes 19->42 40 AppLaunch.exe 22->40         started        44 2 other processes 22->44 46 3 other processes 24->46 48 3 other processes 26->48 50 3 other processes 28->50 52 2 other processes 30->52 process8 file9 106 UAC bypass detected (Fodhelper) 34->106 108 Suspicious powershell command line found 34->108 62 2 other processes 34->62 86 C:\Users\user\AppData\Local\...\gzypunj5.dll, PE32 37->86 dropped 54 cvtres.exe 1 37->54         started        64 2 other processes 40->64 88 C:\ProgramData\tjja30.vbs, ASCII 42->88 dropped 66 3 other processes 42->66 90 C:\Users\user\AppData\Local\...\1cfwkamf.dll, PE32 44->90 dropped 56 cvtres.exe 44->56         started        92 C:\Users\user\AppData\Local\...\dc2u2min.dll, PE32 46->92 dropped 68 3 other processes 46->68 94 C:\Users\user\AppData\Local\...\xqdtucea.dll, PE32 48->94 dropped 70 3 other processes 48->70 96 C:\Users\user\AppData\Local\...\0zke1lhr.dll, PE32 50->96 dropped 58 cvtres.exe 50->58         started        98 C:\Users\user\AppData\Local\...\op53w0di.dll, PE32 52->98 dropped 60 cvtres.exe 52->60         started        signatures10 process11 process12 72 AppLaunch.exe 62->72         started        74 AppLaunch.exe 64->74         started        76 taskkill.exe 1 66->76         started        78 taskkill.exe 1 66->78         started        80 taskkill.exe 1 66->80         started        82 conhost.exe 66->82         started        84 AppLaunch.exe 68->84         started       
Verdict:
Malware
YARA:
1 match(es)
Tags:
COM Behavior Trace DeObfuscated Obfuscated SOS: 0.64 T1027 T1059 T1059.005 VBScript WScript.Network WScript.Shell
Threat name:
Script-WScript.Trojan.GuLoader
Status:
Malicious
First seen:
2026-10-01 13:00:48 UTC
File Type:
Text (VBS)
AV detection:
7 of 36 (19.44%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection defense_evasion discovery execution persistence
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Executes a command shell one-liner
Executes a VBScript file via the Windows Script Host.
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Enumerates connected drives
Looks up external IP address via web service
Checks computer location settings
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

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