PrivateLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA2563c405151d59ea76d411aa6898792373cd563324fa3c19afd67f9a0236ab7358b
MD555ef16c6bc615a79c09aebdfb6077b39
File Typeexe
Size2557.9 KB
First Seen2023-11-28
File NameOCCT.exe
Tagsexe, PrivateLoader, Stop

Malware Family: PrivateLoader

PrivateLoader, PPI loader'dır.

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

Threat Indicators (IOC)

  • SHA256: 3c405151d59ea76d411aa6898792373cd563324fa3c19afd67f9a0236ab7358b
  • MD5: 55ef16c6bc615a79c09aebdfb6077b39

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: 3c405151d59ea76d"
        threat_level = "medium"
        first_seen = "2023-11-28"
    condition:
        hash.sha256(0, filesize) == "3c405151d59ea76d411aa6898792373cd563324fa3c19afd67f9a0236ab7358b"
}

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 3c405151d59ea76d411aa6898792373cd563324fa3c19afd67f9a0236ab7358b # MD5 55ef16c6bc615a79c09aebdfb6077b39
TypeValueNote
sha256 3c405151d59ea76d411aa6898792373cd563324fa3c19afd67f9a0236ab7358b Sample:PrivateLoader
md5 55ef16c6bc615a79c09aebdfb6077b39 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