GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256d373e857dbdc13a53c9271a91426ac3bc113a862955b8b22af5dfb9503bc27f1
MD594bb4ae27bba932f4c5296ce23f9fe1a
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Named373e857dbdc13a53c9271a91426ac3bc113a862955b8b22af5dfb9503bc27f1
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: d373e857dbdc13a53c9271a91426ac3bc113a862955b8b22af5dfb9503bc27f1
  • MD5: 94bb4ae27bba932f4c5296ce23f9fe1a

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: d373e857dbdc13a5"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "d373e857dbdc13a53c9271a91426ac3bc113a862955b8b22af5dfb9503bc27f1"
}

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 d373e857dbdc13a53c9271a91426ac3bc113a862955b8b22af5dfb9503bc27f1 # MD5 94bb4ae27bba932f4c5296ce23f9fe1a
TypeValueNote
sha256 d373e857dbdc13a53c9271a91426ac3bc113a862955b8b22af5dfb9503bc27f1 Sample:GandCrab
md5 94bb4ae27bba932f4c5296ce23f9fe1a Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi