GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256379a726132774ada50057de4bcf93ef8899e50da0885357157f2a83cdb4b101e
MD53bf2ca507b3d917ab4ffa0eb7e9bb972
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name379a726132774ada50057de4bcf93ef8899e50da0885357157f2a83cdb4b101e
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 379a726132774ada50057de4bcf93ef8899e50da0885357157f2a83cdb4b101e
  • MD5: 3bf2ca507b3d917ab4ffa0eb7e9bb972

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: 379a726132774ada"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "379a726132774ada50057de4bcf93ef8899e50da0885357157f2a83cdb4b101e"
}

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 379a726132774ada50057de4bcf93ef8899e50da0885357157f2a83cdb4b101e # MD5 3bf2ca507b3d917ab4ffa0eb7e9bb972
TypeValueNote
sha256 379a726132774ada50057de4bcf93ef8899e50da0885357157f2a83cdb4b101e Sample:GandCrab
md5 3bf2ca507b3d917ab4ffa0eb7e9bb972 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi