BazarLoader | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA2563b0579fb1efe349b78c99e17933b5be37b61fe3bb532e79ad33267b8c05c3672
MD5031914c9eef1391df3e0e25fc4058b72
File Typedoc
Size71.3 KB
First Seen2021-08-04
File Namedocuments 08.04.2021.doc
TagsBazaLoader, BazarLoader, doc, macro, Shathak, TA551

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: 3b0579fb1efe349b78c99e17933b5be37b61fe3bb532e79ad33267b8c05c3672
  • MD5: 031914c9eef1391df3e0e25fc4058b72

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: 3b0579fb1efe349b"
        threat_level = "high"
        first_seen = "2021-08-04"
    condition:
        hash.sha256(0, filesize) == "3b0579fb1efe349b78c99e17933b5be37b61fe3bb532e79ad33267b8c05c3672"
}

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 3b0579fb1efe349b78c99e17933b5be37b61fe3bb532e79ad33267b8c05c3672 # MD5 031914c9eef1391df3e0e25fc4058b72
TypeValueNote
sha256 3b0579fb1efe349b78c99e17933b5be37b61fe3bb532e79ad33267b8c05c3672 Sample:BazarLoader
md5 031914c9eef1391df3e0e25fc4058b72 Sample:BazarLoader
Tags
bazarloaderloadermalwarehighsha256hash-analizi