BazarLoader | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA256acc5957c07d8d302762f4d3e4d8e602787f6be66a9ce97e3154741bd982ec004
MD5c939adb5ef55b0cda2bb5f2222ca6874
File Typeexe
Size375.7 KB
First Seen2020-09-29
File Nameacc5957c07d8d302762f4d3e4d8e602787f6be66a9ce97e3154741bd982ec004
TagsARTBUD RADOM SP Z O O, BazaLoader, BazarLoader, 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: acc5957c07d8d302762f4d3e4d8e602787f6be66a9ce97e3154741bd982ec004
  • MD5: c939adb5ef55b0cda2bb5f2222ca6874

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: acc5957c07d8d302"
        threat_level = "high"
        first_seen = "2020-09-29"
    condition:
        hash.sha256(0, filesize) == "acc5957c07d8d302762f4d3e4d8e602787f6be66a9ce97e3154741bd982ec004"
}

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 acc5957c07d8d302762f4d3e4d8e602787f6be66a9ce97e3154741bd982ec004 # MD5 c939adb5ef55b0cda2bb5f2222ca6874
TypeValueNote
sha256 acc5957c07d8d302762f4d3e4d8e602787f6be66a9ce97e3154741bd982ec004 Sample:BazarLoader
md5 c939adb5ef55b0cda2bb5f2222ca6874 Sample:BazarLoader
Tags
bazarloaderloadermalwarehighsha256hash-analizi