BazarLoader | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA256bf58ef24dd79c02522163be7d8e523cecb2be8daf30e98fd6673d583cbc9e74b
MD5730ca73a23dd70b2edf3712e4d03db1c
File Typeexe
Size1163.5 KB
First Seen2021-10-13
File Name1.dll
TagsBazaLoader, BazarISO, BazarLoader, dll, 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: bf58ef24dd79c02522163be7d8e523cecb2be8daf30e98fd6673d583cbc9e74b
  • MD5: 730ca73a23dd70b2edf3712e4d03db1c

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: bf58ef24dd79c025"
        threat_level = "high"
        first_seen = "2021-10-13"
    condition:
        hash.sha256(0, filesize) == "bf58ef24dd79c02522163be7d8e523cecb2be8daf30e98fd6673d583cbc9e74b"
}

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 bf58ef24dd79c02522163be7d8e523cecb2be8daf30e98fd6673d583cbc9e74b # MD5 730ca73a23dd70b2edf3712e4d03db1c
TypeValueNote
sha256 bf58ef24dd79c02522163be7d8e523cecb2be8daf30e98fd6673d583cbc9e74b Sample:BazarLoader
md5 730ca73a23dd70b2edf3712e4d03db1c Sample:BazarLoader
Tags
bazarloaderloadermalwarehighsha256hash-analizi