PrivateLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA25633fc2ab9dd6380189dd956a9f077ba07a7e3d29210ea52530de124a430f1cd4a
MD5f20348a2555f4c04539037d561fed262
File Typedll
Size3533.4 KB
First Seen2022-09-21
File Namef20348a2555f4c04539037d561fed262.dll
Tagsdll, PrivateLoader

Malware Family: PrivateLoader

PrivateLoader, PPI loader'dır.

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

Threat Indicators (IOC)

  • SHA256: 33fc2ab9dd6380189dd956a9f077ba07a7e3d29210ea52530de124a430f1cd4a
  • MD5: f20348a2555f4c04539037d561fed262

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: 33fc2ab9dd638018"
        threat_level = "medium"
        first_seen = "2022-09-21"
    condition:
        hash.sha256(0, filesize) == "33fc2ab9dd6380189dd956a9f077ba07a7e3d29210ea52530de124a430f1cd4a"
}

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 33fc2ab9dd6380189dd956a9f077ba07a7e3d29210ea52530de124a430f1cd4a # MD5 f20348a2555f4c04539037d561fed262
TypeValueNote
sha256 33fc2ab9dd6380189dd956a9f077ba07a7e3d29210ea52530de124a430f1cd4a Sample:PrivateLoader
md5 f20348a2555f4c04539037d561fed262 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