BazarLoader | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA256fab036831e0d04bb9f52fdf0dc0d8dc75c82f828e4ad8c9fdb99896655873424
MD5261d1b3eade579258fe4c2767b87c9c7
File Typejs
Size27.4 KB
First Seen2021-08-18
File NameStolen Images Evidence_3.js
TagsBazaLoader, BazarLoader, firebasestorage.googleapis.com, js

Malware Family: BazarLoader

BazarLoader, gizli TrickBot grubu loader'dır.

TypeLoader
Programming LanguageC++
Target PlatformWindows
C2 ProtocolHTTPS
PurposeCobalt Strike staging
First Seen Year2020
AliasesBazarBackdoor

Threat Indicators (IOC)

  • SHA256: fab036831e0d04bb9f52fdf0dc0d8dc75c82f828e4ad8c9fdb99896655873424
  • MD5: 261d1b3eade579258fe4c2767b87c9c7

You can verify all hash values of this sample on VirusTotal.

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 BazarLoader_SHA256 {
    meta:
        description = "BazarLoader sample: fab036831e0d04bb"
        threat_level = "high"
        first_seen = "2021-08-18"
    condition:
        hash.sha256(0, filesize) == "fab036831e0d04bb9f52fdf0dc0d8dc75c82f828e4ad8c9fdb99896655873424"
}

BazarLoader — Malware Profile

BazarLoader BazaLoader TrickBot group loader. xigcgabbzkswmicmkatl shared Trigona mutex. DGA 20-char campaign IDs.

Malware Type
Loader
Programming Language
C++
C2 Protocol
HTTPS
Target Systems
Windows
Also Known As (AKA)
BazarBackdoor

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 — BazarLoader
# SHA256 fab036831e0d04bb9f52fdf0dc0d8dc75c82f828e4ad8c9fdb99896655873424 # MD5 261d1b3eade579258fe4c2767b87c9c7
TypeValueNote
sha256 fab036831e0d04bb9f52fdf0dc0d8dc75c82f828e4ad8c9fdb99896655873424 Sample:BazarLoader
md5 261d1b3eade579258fe4c2767b87c9c7 Sample:BazarLoader
Tags
bazarloaderloadermalwarehighsha256hash-analizi