BazarLoader | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA2568f373e1671d5073d0760f1480c561f3e29da7a83fc91f6950ee9e7a80e0dfe52
MD50497078f45ba392c13c82104c3bd4556
File Typeexe
Size794.5 KB
First Seen2021-11-23
File Namee1b35519a5a71beaef1d3de96e60ec9ace59f825.dll
TagsBazaLoader, BazarLoader, dll, exe

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: 8f373e1671d5073d0760f1480c561f3e29da7a83fc91f6950ee9e7a80e0dfe52
  • MD5: 0497078f45ba392c13c82104c3bd4556

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: 8f373e1671d5073d"
        threat_level = "high"
        first_seen = "2021-11-23"
    condition:
        hash.sha256(0, filesize) == "8f373e1671d5073d0760f1480c561f3e29da7a83fc91f6950ee9e7a80e0dfe52"
}

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 8f373e1671d5073d0760f1480c561f3e29da7a83fc91f6950ee9e7a80e0dfe52 # MD5 0497078f45ba392c13c82104c3bd4556
TypeValueNote
sha256 8f373e1671d5073d0760f1480c561f3e29da7a83fc91f6950ee9e7a80e0dfe52 Sample:BazarLoader
md5 0497078f45ba392c13c82104c3bd4556 Sample:BazarLoader
Tags
bazarloaderloadermalwarehighsha256hash-analizi