PrivateLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256d97a7fc44bf341b9b2b2e65b46dab4f7d329afe15b4308b5aa56d5bfd7b99d35
MD5858bb0a3b4fa6a54586402e3ee117076
File Typeexe
Size4399.8 KB
First Seen2024-04-05
File Name858bb0a3b4fa6a54586402e3ee117076
Tags64, exe, PrivateLoader, signed

Malware Family: PrivateLoader

PrivateLoader, PPI loader'dır.

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

Threat Indicators (IOC)

  • SHA256: d97a7fc44bf341b9b2b2e65b46dab4f7d329afe15b4308b5aa56d5bfd7b99d35
  • MD5: 858bb0a3b4fa6a54586402e3ee117076

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: d97a7fc44bf341b9"
        threat_level = "medium"
        first_seen = "2024-04-05"
    condition:
        hash.sha256(0, filesize) == "d97a7fc44bf341b9b2b2e65b46dab4f7d329afe15b4308b5aa56d5bfd7b99d35"
}

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 d97a7fc44bf341b9b2b2e65b46dab4f7d329afe15b4308b5aa56d5bfd7b99d35 # MD5 858bb0a3b4fa6a54586402e3ee117076
TypeValueNote
sha256 d97a7fc44bf341b9b2b2e65b46dab4f7d329afe15b4308b5aa56d5bfd7b99d35 Sample:PrivateLoader
md5 858bb0a3b4fa6a54586402e3ee117076 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