BazarLoader | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA256b1be5ea484bcd2312fafb7fef39c3ad0a04baecbe0fc3be6a7233377b19fae8d
MD5aeca45af1acc153af8059b0b45cc796e
File Typeexe
Size188.0 KB
First Seen2022-03-05
File Namebz.dll
Tags64, BazaLoader, BazarLoader, 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: b1be5ea484bcd2312fafb7fef39c3ad0a04baecbe0fc3be6a7233377b19fae8d
  • MD5: aeca45af1acc153af8059b0b45cc796e

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: b1be5ea484bcd231"
        threat_level = "high"
        first_seen = "2022-03-05"
    condition:
        hash.sha256(0, filesize) == "b1be5ea484bcd2312fafb7fef39c3ad0a04baecbe0fc3be6a7233377b19fae8d"
}

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 b1be5ea484bcd2312fafb7fef39c3ad0a04baecbe0fc3be6a7233377b19fae8d # MD5 aeca45af1acc153af8059b0b45cc796e
TypeValueNote
sha256 b1be5ea484bcd2312fafb7fef39c3ad0a04baecbe0fc3be6a7233377b19fae8d Sample:BazarLoader
md5 aeca45af1acc153af8059b0b45cc796e Sample:BazarLoader
Tags
bazarloaderloadermalwarehighsha256hash-analizi