PrivateLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA25685b15e46a0218a74d0a42aa88978df38f91873ab80fb53a8b82b5a19b9fcb43b
MD55a9aebbabf444bc65f32342fed666ce3
File Typerar
Size16049.6 KB
First Seen2024-08-03
File Namearchive.rar
Tagsfile-pumped, PrivateLoader, rar

Malware Family: PrivateLoader

PrivateLoader, PPI loader'dır.

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

Threat Indicators (IOC)

  • SHA256: 85b15e46a0218a74d0a42aa88978df38f91873ab80fb53a8b82b5a19b9fcb43b
  • MD5: 5a9aebbabf444bc65f32342fed666ce3

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: 85b15e46a0218a74"
        threat_level = "medium"
        first_seen = "2024-08-03"
    condition:
        hash.sha256(0, filesize) == "85b15e46a0218a74d0a42aa88978df38f91873ab80fb53a8b82b5a19b9fcb43b"
}

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 85b15e46a0218a74d0a42aa88978df38f91873ab80fb53a8b82b5a19b9fcb43b # MD5 5a9aebbabf444bc65f32342fed666ce3
TypeValueNote
sha256 85b15e46a0218a74d0a42aa88978df38f91873ab80fb53a8b82b5a19b9fcb43b Sample:PrivateLoader
md5 5a9aebbabf444bc65f32342fed666ce3 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