BazarLoader | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA2565a8c4049c0e4005dc517d1237e9e0263b6db3f247149e260f4e6004050c5254f
MD571fb9e938a34ba1fae84d05f29cd577b
File Typeexe
Size251.2 KB
First Seen2020-09-16
File NameRetalit LLC (3)
TagsBazaLoader, BazarLoader, Retalit LLC, signed

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: 5a8c4049c0e4005dc517d1237e9e0263b6db3f247149e260f4e6004050c5254f
  • MD5: 71fb9e938a34ba1fae84d05f29cd577b

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: 5a8c4049c0e4005d"
        threat_level = "high"
        first_seen = "2020-09-16"
    condition:
        hash.sha256(0, filesize) == "5a8c4049c0e4005dc517d1237e9e0263b6db3f247149e260f4e6004050c5254f"
}

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 5a8c4049c0e4005dc517d1237e9e0263b6db3f247149e260f4e6004050c5254f # MD5 71fb9e938a34ba1fae84d05f29cd577b
TypeValueNote
sha256 5a8c4049c0e4005dc517d1237e9e0263b6db3f247149e260f4e6004050c5254f Sample:BazarLoader
md5 71fb9e938a34ba1fae84d05f29cd577b Sample:BazarLoader
Tags
bazarloaderloadermalwarehighsha256hash-analizi