PrivateLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA25665c23182f2309ca73d038f5986811afa3953568350035539ee02cab2d59c4647
MD54efcdd8a373a97afcbeb1d636a852424
File Typedll
Size37711.0 KB
First Seen2025-01-14
File Namemsimg32.dll
Tagsdll, PrivateLoader

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: 65c23182f2309ca73d038f5986811afa3953568350035539ee02cab2d59c4647
  • MD5: 4efcdd8a373a97afcbeb1d636a852424

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: 65c23182f2309ca7"
        threat_level = "medium"
        first_seen = "2025-01-14"
    condition:
        hash.sha256(0, filesize) == "65c23182f2309ca73d038f5986811afa3953568350035539ee02cab2d59c4647"
}

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 65c23182f2309ca73d038f5986811afa3953568350035539ee02cab2d59c4647 # MD5 4efcdd8a373a97afcbeb1d636a852424
TypeValueNote
sha256 65c23182f2309ca73d038f5986811afa3953568350035539ee02cab2d59c4647
md5 4efcdd8a373a97afcbeb1d636a852424

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
privateloaderloadermalwaremediumsha256analizzenginleştirilmiş