GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256f77218cc1bcdf75e4894af0ba44776555b1d8f933f190c456d4162f08ed372f4
MD5e8cfa4366a51dd514cf4822397276fc8
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namef77218cc1bcdf75e4894af0ba44776555b1d8f933f190c456d4162f08ed372f4
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: f77218cc1bcdf75e4894af0ba44776555b1d8f933f190c456d4162f08ed372f4
  • MD5: e8cfa4366a51dd514cf4822397276fc8

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: f77218cc1bcdf75e"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "f77218cc1bcdf75e4894af0ba44776555b1d8f933f190c456d4162f08ed372f4"
}

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 f77218cc1bcdf75e4894af0ba44776555b1d8f933f190c456d4162f08ed372f4 # MD5 e8cfa4366a51dd514cf4822397276fc8
TypeValueNote
sha256 f77218cc1bcdf75e4894af0ba44776555b1d8f933f190c456d4162f08ed372f4 Sample:GandCrab
md5 e8cfa4366a51dd514cf4822397276fc8 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi