PrivateLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256b25ae1db93e568ba7a07c876e4f8af316078b05dd67a994ff79fee997a7a46ab
MD520d789c0e93769c8bde419a28e938abe
File Typeexe
Size476.9 KB
First Seen2022-09-05
File Name20d789c0e93769c8bde419a28e938abe.exe
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: b25ae1db93e568ba7a07c876e4f8af316078b05dd67a994ff79fee997a7a46ab
  • MD5: 20d789c0e93769c8bde419a28e938abe

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: b25ae1db93e568ba"
        threat_level = "medium"
        first_seen = "2022-09-05"
    condition:
        hash.sha256(0, filesize) == "b25ae1db93e568ba7a07c876e4f8af316078b05dd67a994ff79fee997a7a46ab"
}

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 b25ae1db93e568ba7a07c876e4f8af316078b05dd67a994ff79fee997a7a46ab # MD5 20d789c0e93769c8bde419a28e938abe
TypeValueNote
sha256 b25ae1db93e568ba7a07c876e4f8af316078b05dd67a994ff79fee997a7a46ab Sample:PrivateLoader
md5 20d789c0e93769c8bde419a28e938abe 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