GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256992fb8f0cffb797f682ebcea82c825ba160aa2b30fd003f831d335baf581c140
MD50c6d2c0ced5aa70ebd0c123551edb1dd
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name992fb8f0cffb797f682ebcea82c825ba160aa2b30fd003f831d335baf581c140
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 992fb8f0cffb797f682ebcea82c825ba160aa2b30fd003f831d335baf581c140
  • MD5: 0c6d2c0ced5aa70ebd0c123551edb1dd

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: 992fb8f0cffb797f"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "992fb8f0cffb797f682ebcea82c825ba160aa2b30fd003f831d335baf581c140"
}

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 992fb8f0cffb797f682ebcea82c825ba160aa2b30fd003f831d335baf581c140 # MD5 0c6d2c0ced5aa70ebd0c123551edb1dd
TypeValueNote
sha256 992fb8f0cffb797f682ebcea82c825ba160aa2b30fd003f831d335baf581c140 Sample:GandCrab
md5 0c6d2c0ced5aa70ebd0c123551edb1dd Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi