PrivateLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256b3b40da169200e7e926d4ec76df6eab0397d3bc377d91e33d25855ebd00df882
MD5d5fdbea899339eb95a0814b0e28e8ca0
File Typeexe
Size5058.8 KB
First Seen2023-05-03
File Namefile
Tagsexe, PrivateLoader, signed

Malware Family: PrivateLoader

PrivateLoader, büyük PPI botnet'tir.

TypeLoader
Programming LanguageC++
Target PlatformWindows
C2 ProtocolHTTP
PurposePPI botnet loader
First Seen Year2021

Threat Indicators (IOC)

  • SHA256: b3b40da169200e7e926d4ec76df6eab0397d3bc377d91e33d25855ebd00df882
  • MD5: d5fdbea899339eb95a0814b0e28e8ca0

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 PrivateLoader_SHA256 {
    meta:
        description = "PrivateLoader sample: b3b40da169200e7e"
        threat_level = "medium"
        first_seen = "2023-05-03"
    condition:
        hash.sha256(0, filesize) == "b3b40da169200e7e926d4ec76df6eab0397d3bc377d91e33d25855ebd00df882"
}

PrivateLoader — Malware Profile

PrivateLoader/PrivateLdr. sysmon.exe Sysinternals fake. cJSON C library. Chrome browser targeting.

Malware Type
Loader
Programming Language
C++
C2 Protocol
HTTP
Target Systems
Windows

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 — PrivateLoader
# SHA256 b3b40da169200e7e926d4ec76df6eab0397d3bc377d91e33d25855ebd00df882 # MD5 d5fdbea899339eb95a0814b0e28e8ca0
TypeValueNote
sha256 b3b40da169200e7e926d4ec76df6eab0397d3bc377d91e33d25855ebd00df882 Sample:PrivateLoader
md5 d5fdbea899339eb95a0814b0e28e8ca0 Sample:PrivateLoader

C2 Servers (4 recorded servers for this family)

Address Type Port Protocol Status Country
45.142.213.167 ip 80 HTTP inactive RU
87.251.64.160 ip 80 HTTP inactive NL
known2.me domain 443 HTTPS inactive —
45.138.74.63 ip 443 HTTPS sinkholed RU

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

Tags
privateloaderloadermalwaremediumsha256hash-analizi