BazarLoader | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA2569578c8d4970e144928ac81ec92131c7653fb8a0297d6fa2e0b29a4d980bff9b1
MD52703187274f9ed94bcfb701157632e09
File Typeexe
Size875.0 KB
First Seen2021-11-05
File Nametuzf2dwx.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: 9578c8d4970e144928ac81ec92131c7653fb8a0297d6fa2e0b29a4d980bff9b1
  • MD5: 2703187274f9ed94bcfb701157632e09

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: 9578c8d4970e1449"
        threat_level = "high"
        first_seen = "2021-11-05"
    condition:
        hash.sha256(0, filesize) == "9578c8d4970e144928ac81ec92131c7653fb8a0297d6fa2e0b29a4d980bff9b1"
}

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 9578c8d4970e144928ac81ec92131c7653fb8a0297d6fa2e0b29a4d980bff9b1 # MD5 2703187274f9ed94bcfb701157632e09
TypeValueNote
sha256 9578c8d4970e144928ac81ec92131c7653fb8a0297d6fa2e0b29a4d980bff9b1 Sample:BazarLoader
md5 2703187274f9ed94bcfb701157632e09 Sample:BazarLoader
Tags
bazarloaderloadermalwarehighsha256hash-analizi