PrivateLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA2561b2c0c4f64b9200357e64c68063fe3b2db5abb68e78ff0f11b925b9a1d79d802
MD54c9dcb4db84a7ac937b33198552c1d08
File Typedll
Size45052.5 KB
First Seen2025-01-21
File Namemsimg32.dll
Tagsde-pumped, dll, exe, PrivateLoader

Malware Family: PrivateLoader

PrivateLoader, PPI loader'dır.

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

Threat Indicators (IOC)

  • SHA256: 1b2c0c4f64b9200357e64c68063fe3b2db5abb68e78ff0f11b925b9a1d79d802
  • MD5: 4c9dcb4db84a7ac937b33198552c1d08

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: 1b2c0c4f64b92003"
        threat_level = "medium"
        first_seen = "2025-01-21"
    condition:
        hash.sha256(0, filesize) == "1b2c0c4f64b9200357e64c68063fe3b2db5abb68e78ff0f11b925b9a1d79d802"
}

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 1b2c0c4f64b9200357e64c68063fe3b2db5abb68e78ff0f11b925b9a1d79d802 # MD5 4c9dcb4db84a7ac937b33198552c1d08
TypeValueNote
sha256 1b2c0c4f64b9200357e64c68063fe3b2db5abb68e78ff0f11b925b9a1d79d802 Sample:PrivateLoader
md5 4c9dcb4db84a7ac937b33198552c1d08 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