PrivateLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA2562556187741452011a3b2a39cb9c8543e308f6d3d72fa7f5cc1112477551cce4d
MD5ef57e4ac11acae793ea9a930835b023c
File Typeexe
Size4444.0 KB
First Seen2023-01-10
File NameSecuriteInfo.com.Variant.Midie.120092.9152.21807
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: 2556187741452011a3b2a39cb9c8543e308f6d3d72fa7f5cc1112477551cce4d
  • MD5: ef57e4ac11acae793ea9a930835b023c

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: 2556187741452011"
        threat_level = "medium"
        first_seen = "2023-01-10"
    condition:
        hash.sha256(0, filesize) == "2556187741452011a3b2a39cb9c8543e308f6d3d72fa7f5cc1112477551cce4d"
}

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 2556187741452011a3b2a39cb9c8543e308f6d3d72fa7f5cc1112477551cce4d # MD5 ef57e4ac11acae793ea9a930835b023c
TypeValueNote
sha256 2556187741452011a3b2a39cb9c8543e308f6d3d72fa7f5cc1112477551cce4d Sample:PrivateLoader
md5 ef57e4ac11acae793ea9a930835b023c 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