BazarLoader | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA2569d91621ca1c2a3bca8c74836bde3fbb8afbbc7c657f6630fd338fce8d8250965
MD5d52f5da10e84853f15706133e967ab6b
File Typeexe
Size1341.1 KB
First Seen2021-09-02
File Nameval6.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: 9d91621ca1c2a3bca8c74836bde3fbb8afbbc7c657f6630fd338fce8d8250965
  • MD5: d52f5da10e84853f15706133e967ab6b

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: 9d91621ca1c2a3bc"
        threat_level = "high"
        first_seen = "2021-09-02"
    condition:
        hash.sha256(0, filesize) == "9d91621ca1c2a3bca8c74836bde3fbb8afbbc7c657f6630fd338fce8d8250965"
}

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 9d91621ca1c2a3bca8c74836bde3fbb8afbbc7c657f6630fd338fce8d8250965 # MD5 d52f5da10e84853f15706133e967ab6b
TypeValueNote
sha256 9d91621ca1c2a3bca8c74836bde3fbb8afbbc7c657f6630fd338fce8d8250965 Sample:BazarLoader
md5 d52f5da10e84853f15706133e967ab6b Sample:BazarLoader
Tags
bazarloaderloadermalwarehighsha256hash-analizi