BazarLoader | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA256042b7d9208258a1a64b9a1ab0079e1bb7898a3b787167457951b810e9b126dd1
MD59c47eef4c66e4587ecddb55cfc3ef1e6
File Typexlsm
Size17.1 KB
First Seen2021-01-25
File Namerequest_form_1611565093.xlsm
Tagsbaza, bazar, BazarBackdoor, BazarLoader, Dridex, kegtap, xlsm

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: 042b7d9208258a1a64b9a1ab0079e1bb7898a3b787167457951b810e9b126dd1
  • MD5: 9c47eef4c66e4587ecddb55cfc3ef1e6

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: 042b7d9208258a1a"
        threat_level = "high"
        first_seen = "2021-01-25"
    condition:
        hash.sha256(0, filesize) == "042b7d9208258a1a64b9a1ab0079e1bb7898a3b787167457951b810e9b126dd1"
}

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 042b7d9208258a1a64b9a1ab0079e1bb7898a3b787167457951b810e9b126dd1 # MD5 9c47eef4c66e4587ecddb55cfc3ef1e6
TypeValueNote
sha256 042b7d9208258a1a64b9a1ab0079e1bb7898a3b787167457951b810e9b126dd1 Sample:BazarLoader
md5 9c47eef4c66e4587ecddb55cfc3ef1e6 Sample:BazarLoader
Tags
bazarloaderloadermalwarehighsha256hash-analizi