PrivateLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256493aea7196b43b77aa3c9846e945af24ea17b3ebf07f83a1fdacf96a0fd07db5
MD5a8b1ece64241f630bbfe6b21e3a8f5be
File Typeexe
Size1237.0 KB
First Seen2023-02-11
File NameHEUR-Trojan.Win32.Bsymem.gen-493aea7196b43b77.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: 493aea7196b43b77aa3c9846e945af24ea17b3ebf07f83a1fdacf96a0fd07db5
  • MD5: a8b1ece64241f630bbfe6b21e3a8f5be

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: 493aea7196b43b77"
        threat_level = "medium"
        first_seen = "2023-02-11"
    condition:
        hash.sha256(0, filesize) == "493aea7196b43b77aa3c9846e945af24ea17b3ebf07f83a1fdacf96a0fd07db5"
}

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 493aea7196b43b77aa3c9846e945af24ea17b3ebf07f83a1fdacf96a0fd07db5 # MD5 a8b1ece64241f630bbfe6b21e3a8f5be
TypeValueNote
sha256 493aea7196b43b77aa3c9846e945af24ea17b3ebf07f83a1fdacf96a0fd07db5 Sample:PrivateLoader
md5 a8b1ece64241f630bbfe6b21e3a8f5be 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