DBatLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256a54b91410acb1a3fe1c39799846bd956d9202b792fa615e6f198ce803ad5da0b
MD536df7524a4d175d5a19e77849e31800d
File Typejs
Size6542.1 KB
First Seen2025-07-17
File Namejmzmkjry.js
TagsDBatLoader, js

Malware Family: DBatLoader

DBatLoader, bulut servisleri kullanır.

TypeLoader
Programming LanguageDelphi
Target PlatformWindows
C2 ProtocolHTTP
PurposeBulut loader
First Seen Year2020
AliasesModiLoader

Threat Indicators (IOC)

  • SHA256: a54b91410acb1a3fe1c39799846bd956d9202b792fa615e6f198ce803ad5da0b
  • MD5: 36df7524a4d175d5a19e77849e31800d

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 DBatLoader_SHA256 {
    meta:
        description = "DBatLoader sample: a54b91410acb1a3f"
        threat_level = "medium"
        first_seen = "2025-07-17"
    condition:
        hash.sha256(0, filesize) == "a54b91410acb1a3fe1c39799846bd956d9202b792fa615e6f198ce803ad5da0b"
}

DBatLoader — Malware Profile

DBatLoader/ModiLoader. PaymentXAdvice ZIP lure. Brazilian Portuguese targeting. pt-BR locale.

Malware Type
Loader
Programming Language
Delphi
C2 Protocol
HTTP
Target Systems
Windows
Also Known As (AKA)
ModiLoader

Technical Details

Varyanta gore C/C#/VBS/PS1, anti-analysis (VM/debugger check), persistence (Registry/Task Scheduler/Startup folder), payload decryption ve injection (shellcode/PE), fileless execution teknikleri

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 — DBatLoader
# SHA256 a54b91410acb1a3fe1c39799846bd956d9202b792fa615e6f198ce803ad5da0b # MD5 36df7524a4d175d5a19e77849e31800d
TypeValueNote
sha256 a54b91410acb1a3fe1c39799846bd956d9202b792fa615e6f198ce803ad5da0b Sample:DBatLoader
md5 36df7524a4d175d5a19e77849e31800d Sample:DBatLoader

C2 Servers (3 recorded servers for this family)

Address Type Port Protocol Status Country
176.32.34.88 ip 80 HTTP active UA
194.33.45.78 ip 443 HTTPS inactive CZ
85.195.206.19 ip 80 HTTP inactive AT

C2 addresses are provided only from malware samples manually verified by the KEYDAL team. Commercial use is prohibited.

Tags
dbatloaderloadermalwaremediumsha256hash-analizi