GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25601c1afa18c77755833d7f88706fc6fb1c04a1cab8dcf9ae696e465959364e9ab
MD55f13cfa097697eb1bba6835a70cf9814
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name01c1afa18c77755833d7f88706fc6fb1c04a1cab8dcf9ae696e465959364e9ab
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 01c1afa18c77755833d7f88706fc6fb1c04a1cab8dcf9ae696e465959364e9ab
  • MD5: 5f13cfa097697eb1bba6835a70cf9814

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: 01c1afa18c777558"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "01c1afa18c77755833d7f88706fc6fb1c04a1cab8dcf9ae696e465959364e9ab"
}

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 01c1afa18c77755833d7f88706fc6fb1c04a1cab8dcf9ae696e465959364e9ab # MD5 5f13cfa097697eb1bba6835a70cf9814
TypeValueNote
sha256 01c1afa18c77755833d7f88706fc6fb1c04a1cab8dcf9ae696e465959364e9ab Sample:GandCrab
md5 5f13cfa097697eb1bba6835a70cf9814 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi