BazarLoader | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA256ba8e9358ed6bf5b3f2a976850ed3fdccd00ceee0f50a09008b7a957c7c8e2415
MD5e1625dbc1f61e1e2a91d876c7217f0e9
File Typeexe
Size3000.8 KB
First Seen2023-04-05
File Nameupdx-v2.5.23-setup.exe
Tagsagentb, BazarLoader, exe, signed, vsntai23

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: ba8e9358ed6bf5b3f2a976850ed3fdccd00ceee0f50a09008b7a957c7c8e2415
  • MD5: e1625dbc1f61e1e2a91d876c7217f0e9

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: ba8e9358ed6bf5b3"
        threat_level = "high"
        first_seen = "2023-04-05"
    condition:
        hash.sha256(0, filesize) == "ba8e9358ed6bf5b3f2a976850ed3fdccd00ceee0f50a09008b7a957c7c8e2415"
}

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 ba8e9358ed6bf5b3f2a976850ed3fdccd00ceee0f50a09008b7a957c7c8e2415 # MD5 e1625dbc1f61e1e2a91d876c7217f0e9
TypeValueNote
sha256 ba8e9358ed6bf5b3f2a976850ed3fdccd00ceee0f50a09008b7a957c7c8e2415 Sample:BazarLoader
md5 e1625dbc1f61e1e2a91d876c7217f0e9 Sample:BazarLoader
Tags
bazarloaderloadermalwarehighsha256hash-analizi