PrivateLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA2568736141e72f26d636178ec23ac803503ae5cc19c291671e1f0b89a121240b84c
MD59121873bd05a2502fb304043ab81bb15
File Typeexe
Size5618.0 KB
First Seen2023-02-08
File Namefile
Tagsexe, 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: 8736141e72f26d636178ec23ac803503ae5cc19c291671e1f0b89a121240b84c
  • MD5: 9121873bd05a2502fb304043ab81bb15

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: 8736141e72f26d63"
        threat_level = "medium"
        first_seen = "2023-02-08"
    condition:
        hash.sha256(0, filesize) == "8736141e72f26d636178ec23ac803503ae5cc19c291671e1f0b89a121240b84c"
}

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 8736141e72f26d636178ec23ac803503ae5cc19c291671e1f0b89a121240b84c # MD5 9121873bd05a2502fb304043ab81bb15
TypeValueNote
sha256 8736141e72f26d636178ec23ac803503ae5cc19c291671e1f0b89a121240b84c Sample:PrivateLoader
md5 9121873bd05a2502fb304043ab81bb15 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