GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256247e96ef5f6c3fc5b96c58a9ef0d99b4d09ddccb6e675a0323ee5980706a0708
MD536581984d85ce08de8847f3a19ef2f3d
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name247e96ef5f6c3fc5b96c58a9ef0d99b4d09ddccb6e675a0323ee5980706a0708
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 247e96ef5f6c3fc5b96c58a9ef0d99b4d09ddccb6e675a0323ee5980706a0708
  • MD5: 36581984d85ce08de8847f3a19ef2f3d

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: 247e96ef5f6c3fc5"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "247e96ef5f6c3fc5b96c58a9ef0d99b4d09ddccb6e675a0323ee5980706a0708"
}

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 247e96ef5f6c3fc5b96c58a9ef0d99b4d09ddccb6e675a0323ee5980706a0708 # MD5 36581984d85ce08de8847f3a19ef2f3d
TypeValueNote
sha256 247e96ef5f6c3fc5b96c58a9ef0d99b4d09ddccb6e675a0323ee5980706a0708 Sample:GandCrab
md5 36581984d85ce08de8847f3a19ef2f3d Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi