BazarLoader | Threat Level: high | Type: Loader
Cryptographic Identifiers
| SHA256 | 8c39b5dd896e4b7163f0c9f27b3ecde4435fa98666cd6e8e1f0a7df73ed757f7 |
|---|---|
| MD5 | cc029b8675d3b262564d4d81c6008d5b |
| File Type | xlsx |
| Size | 240.7 KB |
| First Seen | 2021-03-31 |
| File Name | subscription_1617218228.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:
8c39b5dd896e4b7163f0c9f27b3ecde4435fa98666cd6e8e1f0a7df73ed757f7 - MD5:
cc029b8675d3b262564d4d81c6008d5b
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: 8c39b5dd896e4b71"
threat_level = "high"
first_seen = "2021-03-31"
condition:
hash.sha256(0, filesize) == "8c39b5dd896e4b7163f0c9f27b3ecde4435fa98666cd6e8e1f0a7df73ed757f7"
}
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
8c39b5dd896e4b7163f0c9f27b3ecde4435fa98666cd6e8e1f0a7df73ed757f7
# MD5
cc029b8675d3b262564d4d81c6008d5b
| Type | Value | Note |
|---|---|---|
| sha256 | 8c39b5dd896e4b7163f0c9f27b3ecde4435fa98666cd6e8e1f0a7df73ed757f7 | Sample:BazarLoader |
| md5 | cc029b8675d3b262564d4d81c6008d5b | Sample:BazarLoader |