PrivateLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256a3519e6c142a1a4e08f6c71b02ce3bf50b3182fdb6131da271fae77c7a4eba6f
MD5d6a782cd2e4b92e06bbc8204013f3d68
File Typeexe
Size2562.9 KB
First Seen2023-09-29
File Named6a782cd2e4b92e06bbc8204013f3d68
Tags32, exe, 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: a3519e6c142a1a4e08f6c71b02ce3bf50b3182fdb6131da271fae77c7a4eba6f
  • MD5: d6a782cd2e4b92e06bbc8204013f3d68

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: a3519e6c142a1a4e"
        threat_level = "medium"
        first_seen = "2023-09-29"
    condition:
        hash.sha256(0, filesize) == "a3519e6c142a1a4e08f6c71b02ce3bf50b3182fdb6131da271fae77c7a4eba6f"
}

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 a3519e6c142a1a4e08f6c71b02ce3bf50b3182fdb6131da271fae77c7a4eba6f # MD5 d6a782cd2e4b92e06bbc8204013f3d68
TypeValueNote
sha256 a3519e6c142a1a4e08f6c71b02ce3bf50b3182fdb6131da271fae77c7a4eba6f Sample:PrivateLoader
md5 d6a782cd2e4b92e06bbc8204013f3d68 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