GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256f70d73b6c3f61f412567bf74d4f1fba052ddccf0f8b2e61a6c69de9c8c5e6ec1
MD5bdb769f7302b2035d81e34c5ed81ac55
File Typeexe
Size99.0 KB
First Seen2022-08-30
File Namef70d73b6c3f61f412567bf74d4f1fba052ddccf0f8b2e61a6c69de9c8c5e6ec1
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: f70d73b6c3f61f412567bf74d4f1fba052ddccf0f8b2e61a6c69de9c8c5e6ec1
  • MD5: bdb769f7302b2035d81e34c5ed81ac55

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: f70d73b6c3f61f41"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "f70d73b6c3f61f412567bf74d4f1fba052ddccf0f8b2e61a6c69de9c8c5e6ec1"
}

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 f70d73b6c3f61f412567bf74d4f1fba052ddccf0f8b2e61a6c69de9c8c5e6ec1 # MD5 bdb769f7302b2035d81e34c5ed81ac55
TypeValueNote
sha256 f70d73b6c3f61f412567bf74d4f1fba052ddccf0f8b2e61a6c69de9c8c5e6ec1 Sample:GandCrab
md5 bdb769f7302b2035d81e34c5ed81ac55 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi