BazarLoader | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA256bcea99b1ec6fa52fec60589878c451266f260a8b4e2d8c85d700b3d24e0dce4b
MD54e0da1ea4579f0bed86d480ab65a2010
File Typeexe
Size506.1 KB
First Seen2020-12-10
File NamePreviewDoc.exe
Tagsbaza, BazaLoader, bazar, BazarLoader, kegtap, OOO Inversum, 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: bcea99b1ec6fa52fec60589878c451266f260a8b4e2d8c85d700b3d24e0dce4b
  • MD5: 4e0da1ea4579f0bed86d480ab65a2010

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: bcea99b1ec6fa52f"
        threat_level = "high"
        first_seen = "2020-12-10"
    condition:
        hash.sha256(0, filesize) == "bcea99b1ec6fa52fec60589878c451266f260a8b4e2d8c85d700b3d24e0dce4b"
}

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 bcea99b1ec6fa52fec60589878c451266f260a8b4e2d8c85d700b3d24e0dce4b # MD5 4e0da1ea4579f0bed86d480ab65a2010
TypeValueNote
sha256 bcea99b1ec6fa52fec60589878c451266f260a8b4e2d8c85d700b3d24e0dce4b Sample:BazarLoader
md5 4e0da1ea4579f0bed86d480ab65a2010 Sample:BazarLoader
Tags
bazarloaderloadermalwarehighsha256hash-analizi