GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256c2af26c97656fe57d41846fd6667811d2a410e1887fccfb77521c1a7e79f96de
MD54d6e15dde1e04294745925d2d9984584
File Typeexe
Size128.5 KB
First Seen2022-08-30
File Namec2af26c97656fe57d41846fd6667811d2a410e1887fccfb77521c1a7e79f96de
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: c2af26c97656fe57d41846fd6667811d2a410e1887fccfb77521c1a7e79f96de
  • MD5: 4d6e15dde1e04294745925d2d9984584

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: c2af26c97656fe57"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "c2af26c97656fe57d41846fd6667811d2a410e1887fccfb77521c1a7e79f96de"
}

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 c2af26c97656fe57d41846fd6667811d2a410e1887fccfb77521c1a7e79f96de # MD5 4d6e15dde1e04294745925d2d9984584
TypeValueNote
sha256 c2af26c97656fe57d41846fd6667811d2a410e1887fccfb77521c1a7e79f96de Sample:GandCrab
md5 4d6e15dde1e04294745925d2d9984584 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi