MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0f0fddce09eec63f6a488a63ecb73a61481f4cf0270fe3ed786dfb4f4d1a6fb6. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: 0f0fddce09eec63f6a488a63ecb73a61481f4cf0270fe3ed786dfb4f4d1a6fb6
SHA3-384 hash: 7b88a00b89dc88ff1153debc2a7391c52428e252e158e14a45a2436540efec2a46aa837fa0f99e97acd88f621d322497
SHA1 hash: be3ac365753226128fd23ba08d90bbb4e9cb9755
MD5 hash: 6f9101eadaf19cf76128f96807fdfff6
humanhash: august-snake-sodium-dakota
File name:20260826-00581.js
Download: download sample
Signature GuLoader
File size:275'854 bytes
First seen:2026-08-26 13:26:22 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 6144:8od7tsV8FvSJ3XqwR2S0bSr11/zmzyqsRHNpWF5LTHq:aVevCXqwUdSrD6YHD0dTHq
TLSH T1AA445C30ED20067A4F476B9DFCA50A61CABDC309862644F5F6DE070D61069FCE3BE669
Magika javascript
Reporter abuse_ch
Tags:GuLoader js

Intelligence


File Origin
# of uploads :
1
# of downloads :
159
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
downloader evasive lolbin repaired wab
Verdict:
Malicious
File Type:
js
First seen:
2026-08-26T05:36:00Z UTC
Last seen:
2026-08-27T12:06:00Z UTC
Hits:
~1000
Detections:
HEUR:Trojan.Script.SAgent.gen HEUR:Trojan.Script.Generic Trojan.VBS.SAgent.sb Trojan.JS.SAgent.sb
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Found suspicious powershell code related to unpacking or dynamic code loading
Injects code into the Windows Explorer (explorer.exe)
JavaScript file contains Antivirus product strings
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sigma detected: WScript or CScript Dropper
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)
Yara detected GuLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1964124 Sample: 20260826-00581.js Startdate: 26/08/2026 Architecture: WINDOWS Score: 100 30 packmate.in 2->30 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected GuLoader 2->38 40 3 other signatures 2->40 7 wscript.exe 1 2 2->7         started        11 powershell.exe 15 2->11         started        13 powershell.exe 17 2->13         started        16 2 other processes 2->16 signatures3 process4 dnsIp5 28 C:\Users\user\AppData\Local\Byggesp, ASCII 7->28 dropped 42 JScript performs obfuscated calls to suspicious functions 7->42 44 Injects code into the Windows Explorer (explorer.exe) 7->44 46 Windows Scripting host queries suspicious COM object (likely to drop second stage) 7->46 48 WScript reads language and country specific registry keys (likely country aware script) 7->48 18 explorer.exe 7->18         started        50 Writes to foreign memory regions 11->50 52 Found suspicious powershell code related to unpacking or dynamic code loading 11->52 54 Switches to a custom stack to bypass stack traces 11->54 20 wab.exe 3 1 11->20         started        22 conhost.exe 11->22         started        24 wab.exe 11->24         started        32 packmate.in 103.108.220.15, 443, 49761, 49764 WEBWERKS-AS-INWebWerksIndiaPvtLtdIN India 13->32 26 conhost.exe 13->26         started        file6 signatures7 process8
Verdict:
inconclusive
YARA:
3 match(es)
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2026-08-26 08:33:32 UTC
File Type:
Text
AV detection:
5 of 36 (13.89%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
adware execution spyware
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Drops desktop.ini file(s)
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:detect_powershell
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:telebot_framework
Author:vietdx.mb

File information


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

Comments