NanoCore | Threat Level: medium | Type: RAT

Cryptographic Identifiers

SHA2562fcd518386e0fb3c2154dbf8b0fe8c5c0048ac568d7b5bf0aebb27f04cd04f3a
MD5cf171ee642eb7aa8b59696c78755db0c
File Typevbs
Size66.8 KB
First Seen2023-11-08
File NameForespørsel om tilbud 202311_05432CMUNO·pdf.vbs
TagsNanoCore, vbs

Malware Family: NanoCore

NanoCore, RAT'tır.

TypeRAT
Programming Language.NET
Target PlatformWindows
C2 ProtocolTCP
PurposeRAT
First Seen Year2013

Threat Indicators (IOC)

  • SHA256: 2fcd518386e0fb3c2154dbf8b0fe8c5c0048ac568d7b5bf0aebb27f04cd04f3a
  • MD5: cf171ee642eb7aa8b59696c78755db0c

You can verify all hash values of this sample on VirusTotal.

System Cleanup Guide

  1. Disconnect the system from the network — unplug ethernet, disable Wi-Fi
  2. Terminate suspicious processes from Task Manager
  3. Run a full system scan with Malwarebytes or Kaspersky
  4. HKCU\Software\Microsoft\Windows\CurrentVersion\Run kayıtlarını kontrol edin
  5. Review newly created tasks in Task Scheduler
  6. Change all your account passwords from a clean device
  7. Gerekirse Windows'u yeniden yükleyin ve verilerinizi temiz bir yedeğe geri alın

YARA Rule Hints

rule NanoCore_SHA256 {
    meta:
        description = "NanoCore sample: 2fcd518386e0fb3c"
        threat_level = "medium"
        first_seen = "2023-11-08"
    condition:
        hash.sha256(0, filesize) == "2fcd518386e0fb3c2154dbf8b0fe8c5c0048ac568d7b5bf0aebb27f04cd04f3a"
}

NanoCore — Malware Profile

NanoCore RAT .NET. HP scanner lures. FqStwIZtCP PDB path recurring. Plugin: GetConfig/SetConfig/conjugatePair.

Malware Type
RAT
Programming Language
.NET
C2 Protocol
TCP
Target Systems
Windows

Technical Details

.NET, plugin tabanli (DLL eklentiler), AES-128 sifreleme, port TCP dinamik, Mutex rastgele GUID, GetAsyncKeyState keylogger, Clipboard monitor, Remote Shell (cmd.exe), Hidden VNC, Password Recovery

Capabilities & Behavior

Uzaktan Erişim & Kontrol
Keylogger
Ekran Görüntüsü
Webcam Erişimi
Dosya Yönetimi
Süreç Yönetimi
Komut Yürütme
Kalıcılık Mekanizması

IOC List (2 indicators)

IOC — NanoCore
# SHA256 2fcd518386e0fb3c2154dbf8b0fe8c5c0048ac568d7b5bf0aebb27f04cd04f3a # MD5 cf171ee642eb7aa8b59696c78755db0c
TypeValueNote
sha256 2fcd518386e0fb3c2154dbf8b0fe8c5c0048ac568d7b5bf0aebb27f04cd04f3a Sample:NanoCore
md5 cf171ee642eb7aa8b59696c78755db0c Sample:NanoCore

C2 Servers (4 recorded servers for this family)

Address Type Port Protocol Status Country
pk68.io domain 443 HTTPS inactive —
195.3.221.139 ip 4782 TCP inactive RO
UNKNOWN_HOST unknown 8918 TCP inactive —
37.140.192.146 ip 7707 TCP sinkholed UA

C2 addresses are provided only from malware samples manually verified by the KEYDAL team. Commercial use is prohibited.

Tags
nanocoreratmalwaremediumsha256hash-analizi