BazarLoader | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA2563bc43c7980c782e88a508e0a94767f5776f3bd79a94b4ce5630b3927af27fde1
MD5b499d236d535cc3029c2211162c0726b
File Typeexe
Size726.1 KB
First Seen2021-02-09
File Name4dfs1dfs.exe
TagsBazaLoader, BazarLoader, 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: 3bc43c7980c782e88a508e0a94767f5776f3bd79a94b4ce5630b3927af27fde1
  • MD5: b499d236d535cc3029c2211162c0726b

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: 3bc43c7980c782e8"
        threat_level = "high"
        first_seen = "2021-02-09"
    condition:
        hash.sha256(0, filesize) == "3bc43c7980c782e88a508e0a94767f5776f3bd79a94b4ce5630b3927af27fde1"
}

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 3bc43c7980c782e88a508e0a94767f5776f3bd79a94b4ce5630b3927af27fde1 # MD5 b499d236d535cc3029c2211162c0726b
TypeValueNote
sha256 3bc43c7980c782e88a508e0a94767f5776f3bd79a94b4ce5630b3927af27fde1 Sample:BazarLoader
md5 b499d236d535cc3029c2211162c0726b Sample:BazarLoader
Tags
bazarloaderloadermalwarehighsha256hash-analizi