PrivateLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA2561db21ff2a1259b9aa3a5406db534ed160ba5b6a044b776507581155fb9bdd2e2
MD5e4285ed9f73fbe9b801a1b245ce7cdb9
File Typeexe
Size3555.0 KB
First Seen2023-01-26
File Namefile
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: 1db21ff2a1259b9aa3a5406db534ed160ba5b6a044b776507581155fb9bdd2e2
  • MD5: e4285ed9f73fbe9b801a1b245ce7cdb9

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: 1db21ff2a1259b9a"
        threat_level = "medium"
        first_seen = "2023-01-26"
    condition:
        hash.sha256(0, filesize) == "1db21ff2a1259b9aa3a5406db534ed160ba5b6a044b776507581155fb9bdd2e2"
}

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 1db21ff2a1259b9aa3a5406db534ed160ba5b6a044b776507581155fb9bdd2e2 # MD5 e4285ed9f73fbe9b801a1b245ce7cdb9
TypeValueNote
sha256 1db21ff2a1259b9aa3a5406db534ed160ba5b6a044b776507581155fb9bdd2e2 Sample:PrivateLoader
md5 e4285ed9f73fbe9b801a1b245ce7cdb9 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