PrivateLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256d377fc3d65a5fed778139fe7220bf17b788c09edf4bfa43ad3972942f1174020
MD539885d20a83cf917fd458e2fed36ab4c
File Typeexe
Size4480.8 KB
First Seen2023-07-08
File Namefile
Tagsexe, PrivateLoader, signed

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: d377fc3d65a5fed778139fe7220bf17b788c09edf4bfa43ad3972942f1174020
  • MD5: 39885d20a83cf917fd458e2fed36ab4c

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: d377fc3d65a5fed7"
        threat_level = "medium"
        first_seen = "2023-07-08"
    condition:
        hash.sha256(0, filesize) == "d377fc3d65a5fed778139fe7220bf17b788c09edf4bfa43ad3972942f1174020"
}

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 d377fc3d65a5fed778139fe7220bf17b788c09edf4bfa43ad3972942f1174020 # MD5 39885d20a83cf917fd458e2fed36ab4c
TypeValueNote
sha256 d377fc3d65a5fed778139fe7220bf17b788c09edf4bfa43ad3972942f1174020 Sample:PrivateLoader
md5 39885d20a83cf917fd458e2fed36ab4c 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