GootLoader | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA256cbb94dd87c3ce335c75e57621412eedce013fcc77ac92ec57f7e74ac70dde119
MD5659ba1b4182d42eb963fc30b70f52c48
File Typejs
Size160.4 KB
First Seen2023-09-17
File Nameschools first credit card responsibility agreement form 29662.js
TagsGootLoader, js

Malware Family: GootLoader

GootLoader, SEO zehirleme ile yayılır.

TypeLoader
Programming LanguageJavaScript
Target PlatformWindows
C2 ProtocolHTTPS
PurposeSEO zehirleme loader
First Seen Year2020
AliasesGootKit

Threat Indicators (IOC)

  • SHA256: cbb94dd87c3ce335c75e57621412eedce013fcc77ac92ec57f7e74ac70dde119
  • MD5: 659ba1b4182d42eb963fc30b70f52c48

System Cleanup Guide

  1. Disconnect the system from the network — the loader may be downloading more malware
  2. Analyze every downloaded payload
  3. Inspect all network traffic and cut suspicious connections
  4. Run a full antivirus scan
  5. Consider reimaging the system

YARA Rule Hints

rule GootLoader_SHA256 {
    meta:
        description = "GootLoader sample: cbb94dd87c3ce335"
        threat_level = "high"
        first_seen = "2023-09-17"
    condition:
        hash.sha256(0, filesize) == "cbb94dd87c3ce335c75e57621412eedce013fcc77ac92ec57f7e74ac70dde119"
}

Gootloader — Malware Profile

GootLoader/GootKit v3 JavaScript loader. SEO zehirleme kampanyasi. Hukuki belge lurü. JScript dropper.

Malware Type
Loader
Programming Language
JavaScript
C2 Protocol
HTTPS
Target Systems
Windows
Also Known As (AKA)
GootKit

Technical Details

Varyanta gore C/C#/VBS/PS1, anti-analysis (VM/debugger check), persistence (Registry/Task Scheduler/Startup folder), payload decryption ve injection (shellcode/PE), fileless execution teknikleri

Capabilities & Behavior

Payload İndirme
Süreç Enjeksiyonu
Modüler Mimari
Kimlik Bilgisi Hırsızlığı
Yanal Hareket
Kalıcılık
Anti-VM/Sandbox
İkincil Payload Dağıtımı

IOC List (2 indicators)

IOC — GootLoader
# SHA256 cbb94dd87c3ce335c75e57621412eedce013fcc77ac92ec57f7e74ac70dde119 # MD5 659ba1b4182d42eb963fc30b70f52c48
TypeValueNote
sha256 cbb94dd87c3ce335c75e57621412eedce013fcc77ac92ec57f7e74ac70dde119
md5 659ba1b4182d42eb963fc30b70f52c48

C2 Servers (3 recorded servers for this family)

Address Type Port Protocol Status Country
23.227.203.68 ip 443 HTTPS active US
216.122.229.106 ip 443 HTTPS inactive US
login.itwrx.com domain 443 HTTPS inactive US

C2 addresses are provided only from malware samples manually verified by the KEYDAL team. Commercial use is prohibited.

Tags
gootloaderloadermalwarehighsha256analizzenginleştirilmiş