PrivateLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA25685b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45
MD5854d5dfe2d5193aa4150765c123df8ad
File Typeexe
Size4895.0 KB
First Seen2022-11-23
File NameSecuriteInfo.com.Trojan.Siggen18.59130.14664.28270
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: 85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45
  • MD5: 854d5dfe2d5193aa4150765c123df8ad

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: 85b73b7b3c9acc66"
        threat_level = "medium"
        first_seen = "2022-11-23"
    condition:
        hash.sha256(0, filesize) == "85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45"
}

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 85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45 # MD5 854d5dfe2d5193aa4150765c123df8ad
TypeValueNote
sha256 85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45 Sample:PrivateLoader
md5 854d5dfe2d5193aa4150765c123df8ad 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