BazarLoader | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA2568b1b7b74471d10f6865a34928d9023450ab3d5a37eef9b297ace68279547330e
MD5a134ecd1c6b88ba011d3a0b23f73f7e3
File Typezip
Size11.1 KB
First Seen2021-08-18
File NameStolen Images Evidence.zip
TagsBazaLoader, BazarLoader, firebasestorage.googleapis.com, zip

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: 8b1b7b74471d10f6865a34928d9023450ab3d5a37eef9b297ace68279547330e
  • MD5: a134ecd1c6b88ba011d3a0b23f73f7e3

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: 8b1b7b74471d10f6"
        threat_level = "high"
        first_seen = "2021-08-18"
    condition:
        hash.sha256(0, filesize) == "8b1b7b74471d10f6865a34928d9023450ab3d5a37eef9b297ace68279547330e"
}

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 8b1b7b74471d10f6865a34928d9023450ab3d5a37eef9b297ace68279547330e # MD5 a134ecd1c6b88ba011d3a0b23f73f7e3
TypeValueNote
sha256 8b1b7b74471d10f6865a34928d9023450ab3d5a37eef9b297ace68279547330e Sample:BazarLoader
md5 a134ecd1c6b88ba011d3a0b23f73f7e3 Sample:BazarLoader
Tags
bazarloaderloadermalwarehighsha256hash-analizi