GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25629b538d5a79b4143dde19b2837c50f0f5969a3b7d2b711da87c897ac73581fef
MD5382d2bc5eced0e414fdd82146445e966
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name29b538d5a79b4143dde19b2837c50f0f5969a3b7d2b711da87c897ac73581fef
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 29b538d5a79b4143dde19b2837c50f0f5969a3b7d2b711da87c897ac73581fef
  • MD5: 382d2bc5eced0e414fdd82146445e966

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: 29b538d5a79b4143"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "29b538d5a79b4143dde19b2837c50f0f5969a3b7d2b711da87c897ac73581fef"
}

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 29b538d5a79b4143dde19b2837c50f0f5969a3b7d2b711da87c897ac73581fef # MD5 382d2bc5eced0e414fdd82146445e966
TypeValueNote
sha256 29b538d5a79b4143dde19b2837c50f0f5969a3b7d2b711da87c897ac73581fef Sample:GandCrab
md5 382d2bc5eced0e414fdd82146445e966 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi