GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256d571273e5d722ff5079b8397e41486697b12ca9c4cc7783b7922a42ae194119a
MD5cd2c056eeec700849508d51cd59702a0
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Named571273e5d722ff5079b8397e41486697b12ca9c4cc7783b7922a42ae194119a
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: d571273e5d722ff5079b8397e41486697b12ca9c4cc7783b7922a42ae194119a
  • MD5: cd2c056eeec700849508d51cd59702a0

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: d571273e5d722ff5"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "d571273e5d722ff5079b8397e41486697b12ca9c4cc7783b7922a42ae194119a"
}

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 d571273e5d722ff5079b8397e41486697b12ca9c4cc7783b7922a42ae194119a # MD5 cd2c056eeec700849508d51cd59702a0
TypeValueNote
sha256 d571273e5d722ff5079b8397e41486697b12ca9c4cc7783b7922a42ae194119a Sample:GandCrab
md5 cd2c056eeec700849508d51cd59702a0 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi