BazarLoader | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA25668ef8ffa46a0d0ea1a981ad7bcfbaf1c7ad2680ddfac2a2d4b0822a23aaf4247
MD59d8889711256df5fba21cac45ff2be6e
File Typexlsx
Size182.3 KB
First Seen2021-04-13
File Namesubscription_1618334083.xlsb
Tagsbazacall, BazaLoader, BazarCall, BazarLoader, TrickBot

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: 68ef8ffa46a0d0ea1a981ad7bcfbaf1c7ad2680ddfac2a2d4b0822a23aaf4247
  • MD5: 9d8889711256df5fba21cac45ff2be6e

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: 68ef8ffa46a0d0ea"
        threat_level = "high"
        first_seen = "2021-04-13"
    condition:
        hash.sha256(0, filesize) == "68ef8ffa46a0d0ea1a981ad7bcfbaf1c7ad2680ddfac2a2d4b0822a23aaf4247"
}

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 68ef8ffa46a0d0ea1a981ad7bcfbaf1c7ad2680ddfac2a2d4b0822a23aaf4247 # MD5 9d8889711256df5fba21cac45ff2be6e
TypeValueNote
sha256 68ef8ffa46a0d0ea1a981ad7bcfbaf1c7ad2680ddfac2a2d4b0822a23aaf4247 Sample:BazarLoader
md5 9d8889711256df5fba21cac45ff2be6e Sample:BazarLoader
Tags
bazarloaderloadermalwarehighsha256hash-analizi