GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2560197d8159d6ebf48cab97f9a06e53aa34266ada3b6614b1e32da1c531af95df3
MD51b8ff7d0b6204a4597463055204f8180
File Typeexe
Size128.5 KB
First Seen2022-08-30
File Name0197d8159d6ebf48cab97f9a06e53aa34266ada3b6614b1e32da1c531af95df3
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, en yaygın eski ransomware'dir.

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

Threat Indicators (IOC)

  • SHA256: 0197d8159d6ebf48cab97f9a06e53aa34266ada3b6614b1e32da1c531af95df3
  • MD5: 1b8ff7d0b6204a4597463055204f8180

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: 0197d8159d6ebf48"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "0197d8159d6ebf48cab97f9a06e53aa34266ada3b6614b1e32da1c531af95df3"
}

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 0197d8159d6ebf48cab97f9a06e53aa34266ada3b6614b1e32da1c531af95df3 # MD5 1b8ff7d0b6204a4597463055204f8180
TypeValueNote
sha256 0197d8159d6ebf48cab97f9a06e53aa34266ada3b6614b1e32da1c531af95df3 Sample:GandCrab
md5 1b8ff7d0b6204a4597463055204f8180 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi