GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2567f2897eb745bf5d5109f4f2445452613cf2a78134ee0a9a9e14e965ec977c993
MD5f590c6dcb9e2d7b9a01aa038258df6a6
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name7f2897eb745bf5d5109f4f2445452613cf2a78134ee0a9a9e14e965ec977c993
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 7f2897eb745bf5d5109f4f2445452613cf2a78134ee0a9a9e14e965ec977c993
  • MD5: f590c6dcb9e2d7b9a01aa038258df6a6

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: 7f2897eb745bf5d5"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "7f2897eb745bf5d5109f4f2445452613cf2a78134ee0a9a9e14e965ec977c993"
}

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 7f2897eb745bf5d5109f4f2445452613cf2a78134ee0a9a9e14e965ec977c993 # MD5 f590c6dcb9e2d7b9a01aa038258df6a6
TypeValueNote
sha256 7f2897eb745bf5d5109f4f2445452613cf2a78134ee0a9a9e14e965ec977c993 Sample:GandCrab
md5 f590c6dcb9e2d7b9a01aa038258df6a6 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi