GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25623f6fe82677a47c9ec20fabecece9a4f2fe81ca9ddcf05b3b7d8a594fb86c8bc
MD519940109cd5a6029f040021b7e2dc003
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name23f6fe82677a47c9ec20fabecece9a4f2fe81ca9ddcf05b3b7d8a594fb86c8bc
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

TypeRansomware
Programming LanguageC
Target PlatformWindows
C2 ProtocolHTTP
PurposeMaaS ransomware
First Seen Year2018

Threat Indicators (IOC)

  • SHA256: 23f6fe82677a47c9ec20fabecece9a4f2fe81ca9ddcf05b3b7d8a594fb86c8bc
  • MD5: 19940109cd5a6029f040021b7e2dc003

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

System Cleanup Guide

  1. Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
  2. Do not pay the ransom — there is no guarantee your files will be restored
  3. Quarantine the affected drives
  4. Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
  5. Try available decryptor tools (the NoMoreRansom project)
  6. Report the incident to the authorities (cybercrime unit)
  7. Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın

YARA Rule Hints

rule GandCrab_SHA256 {
    meta:
        description = "GandCrab sample: 23f6fe82677a47c9"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "23f6fe82677a47c9ec20fabecece9a4f2fe81ca9ddcf05b3b7d8a594fb86c8bc"
}

GandCrab — Malware Profile

GandCrab, 2018-2019 aktif RaaS ailesidir. 1.5 milyar USD hasar. RSA+Salsa20. Haziran 2019 kapandi. REvil oncusu.

Malware Type
Ransomware
Programming Language
C
C2 Protocol
HTTP
Target Systems
Windows

Capabilities & Behavior

Dosya Şifreleme (AES/RSA)
Gölge Kopya Silme
Yedek Kaldırma
Fidye Notu Oluşturma
Kalıcılık Sağlama
Ağ Paylaşımı Şifreleme
Anti-Analiz Teknikleri
Çift Gasp (Data Leak)

IOC List (2 indicators)

IOC — GandCrab
# SHA256 23f6fe82677a47c9ec20fabecece9a4f2fe81ca9ddcf05b3b7d8a594fb86c8bc # MD5 19940109cd5a6029f040021b7e2dc003
TypeValueNote
sha256 23f6fe82677a47c9ec20fabecece9a4f2fe81ca9ddcf05b3b7d8a594fb86c8bc Sample:GandCrab
md5 19940109cd5a6029f040021b7e2dc003 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi