BazarLoader | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA25673f83e05ecf27c2f5493a2ff7a4bc88847dcc84cb91b2e3005e8ecdfb1e30b86
MD5902b528dae47805e8d9c110f604acb5b
File Typeexe
Size378.7 KB
First Seen2020-09-30
File Name73f83e05ecf27c2f5493a2ff7a4bc88847dcc84cb91b2e3005e8ecdfb1e30b86.bin
TagsBazaLoader, BazarLoader, EXON RENTAL SP Z O O, 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: 73f83e05ecf27c2f5493a2ff7a4bc88847dcc84cb91b2e3005e8ecdfb1e30b86
  • MD5: 902b528dae47805e8d9c110f604acb5b

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: 73f83e05ecf27c2f"
        threat_level = "high"
        first_seen = "2020-09-30"
    condition:
        hash.sha256(0, filesize) == "73f83e05ecf27c2f5493a2ff7a4bc88847dcc84cb91b2e3005e8ecdfb1e30b86"
}

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 73f83e05ecf27c2f5493a2ff7a4bc88847dcc84cb91b2e3005e8ecdfb1e30b86 # MD5 902b528dae47805e8d9c110f604acb5b
TypeValueNote
sha256 73f83e05ecf27c2f5493a2ff7a4bc88847dcc84cb91b2e3005e8ecdfb1e30b86 Sample:BazarLoader
md5 902b528dae47805e8d9c110f604acb5b Sample:BazarLoader
Tags
bazarloaderloadermalwarehighsha256hash-analizi