BazarLoader | Threat Level: high | Type: Loader
Cryptographic Identifiers
| SHA256 | 42aeef1b5f9d53105bd3d9076b7634e1eed53f89c9e3577426f4c51441e4fca4 |
|---|---|
| MD5 | 21a57dbd1dad6aec8edbbaeddabac81b |
| File Type | xlsx |
| Size | 267.4 KB |
| First Seen | 2021-05-19 |
| File Name | cancel_sub_JPL12345678901234.xlsb |
| Tags | bazacall, BazaLoader, BazarCall, BazarLoader, excel, macros, TrickBot |
Malware Family: BazarLoader
BazarLoader, gizli TrickBot grubu loader'dır.
| Type | Loader |
|---|---|
| Programming Language | C++ |
| Target Platform | Windows |
| C2 Protocol | HTTPS |
| Purpose | Cobalt Strike staging |
| First Seen Year | 2020 |
| Aliases | BazarBackdoor |
Threat Indicators (IOC)
- SHA256:
42aeef1b5f9d53105bd3d9076b7634e1eed53f89c9e3577426f4c51441e4fca4 - MD5:
21a57dbd1dad6aec8edbbaeddabac81b
You can verify all hash values of this sample on VirusTotal.
System Cleanup Guide
- Disconnect the system from the network — the loader may be downloading more malware
- Analyze every downloaded payload
- Inspect all network traffic and cut suspicious connections
- Run a full antivirus scan
- Consider reimaging the system
YARA Rule Hints
rule BazarLoader_SHA256 {
meta:
description = "BazarLoader sample: 42aeef1b5f9d5310"
threat_level = "high"
first_seen = "2021-05-19"
condition:
hash.sha256(0, filesize) == "42aeef1b5f9d53105bd3d9076b7634e1eed53f89c9e3577426f4c51441e4fca4"
}
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
42aeef1b5f9d53105bd3d9076b7634e1eed53f89c9e3577426f4c51441e4fca4
# MD5
21a57dbd1dad6aec8edbbaeddabac81b
| Type | Value | Note |
|---|---|---|
| sha256 | 42aeef1b5f9d53105bd3d9076b7634e1eed53f89c9e3577426f4c51441e4fca4 | Sample:BazarLoader |
| md5 | 21a57dbd1dad6aec8edbbaeddabac81b | Sample:BazarLoader |