PrivateLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA25631cf1d22c011317d107687c35de88ca6966ee5850978434b34ef2f74d4dec39b
MD5ae2ee76a62c4208b7bfb858cbce6a07e
File Typeexe
Size5168.0 KB
First Seen2023-04-15
File Namefile
Tagsexe, PrivateLoader

Malware Family: PrivateLoader

PrivateLoader, büyük PPI botnet'tir.

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

Threat Indicators (IOC)

  • SHA256: 31cf1d22c011317d107687c35de88ca6966ee5850978434b34ef2f74d4dec39b
  • MD5: ae2ee76a62c4208b7bfb858cbce6a07e

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: 31cf1d22c011317d"
        threat_level = "medium"
        first_seen = "2023-04-15"
    condition:
        hash.sha256(0, filesize) == "31cf1d22c011317d107687c35de88ca6966ee5850978434b34ef2f74d4dec39b"
}

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 31cf1d22c011317d107687c35de88ca6966ee5850978434b34ef2f74d4dec39b # MD5 ae2ee76a62c4208b7bfb858cbce6a07e
TypeValueNote
sha256 31cf1d22c011317d107687c35de88ca6966ee5850978434b34ef2f74d4dec39b Sample:PrivateLoader
md5 ae2ee76a62c4208b7bfb858cbce6a07e 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