GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256e82380ae72e5e12c2ff2c26ee640ee5da65d9357a38bb7ff2e29c0c89b988fc3
MD5e76e96a61ee5db9c7fe95ead11f01b22
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Namee82380ae72e5e12c2ff2c26ee640ee5da65d9357a38bb7ff2e29c0c89b988fc3
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: e82380ae72e5e12c2ff2c26ee640ee5da65d9357a38bb7ff2e29c0c89b988fc3
  • MD5: e76e96a61ee5db9c7fe95ead11f01b22

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: e82380ae72e5e12c"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "e82380ae72e5e12c2ff2c26ee640ee5da65d9357a38bb7ff2e29c0c89b988fc3"
}

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 e82380ae72e5e12c2ff2c26ee640ee5da65d9357a38bb7ff2e29c0c89b988fc3 # MD5 e76e96a61ee5db9c7fe95ead11f01b22
TypeValueNote
sha256 e82380ae72e5e12c2ff2c26ee640ee5da65d9357a38bb7ff2e29c0c89b988fc3 Sample:GandCrab
md5 e76e96a61ee5db9c7fe95ead11f01b22 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi