PrivateLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA25640e1c85adecccc0d02b09681a421ba0457962bfd1a035a5bd234ec13c55ad2f4
MD5be94b480184550913c269e35a13ad28c
File Typeexe
Size5989.0 KB
First Seen2024-04-15
File NameSecuriteInfo.com.Trojan.Siggen28.25504.27914.23637
Tagsexe, PrivateLoader

Malware Family: PrivateLoader

PrivateLoader, PPI loader'dır.

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

Threat Indicators (IOC)

  • SHA256: 40e1c85adecccc0d02b09681a421ba0457962bfd1a035a5bd234ec13c55ad2f4
  • MD5: be94b480184550913c269e35a13ad28c

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: 40e1c85adecccc0d"
        threat_level = "medium"
        first_seen = "2024-04-15"
    condition:
        hash.sha256(0, filesize) == "40e1c85adecccc0d02b09681a421ba0457962bfd1a035a5bd234ec13c55ad2f4"
}

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 40e1c85adecccc0d02b09681a421ba0457962bfd1a035a5bd234ec13c55ad2f4 # MD5 be94b480184550913c269e35a13ad28c
TypeValueNote
sha256 40e1c85adecccc0d02b09681a421ba0457962bfd1a035a5bd234ec13c55ad2f4 Sample:PrivateLoader
md5 be94b480184550913c269e35a13ad28c 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