GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2563f61503dccb7cb60b2af20ca64a2b3bba753b0ef4158efd7ca00506294a6e0fb
MD5a3054119362e01824d721291e32c81bd
File Typeexe
Size97.5 KB
First Seen2022-08-30
File Name3f61503dccb7cb60b2af20ca64a2b3bba753b0ef4158efd7ca00506294a6e0fb
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, en yaygın eski ransomware'dir.

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

Threat Indicators (IOC)

  • SHA256: 3f61503dccb7cb60b2af20ca64a2b3bba753b0ef4158efd7ca00506294a6e0fb
  • MD5: a3054119362e01824d721291e32c81bd

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: 3f61503dccb7cb60"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "3f61503dccb7cb60b2af20ca64a2b3bba753b0ef4158efd7ca00506294a6e0fb"
}

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 3f61503dccb7cb60b2af20ca64a2b3bba753b0ef4158efd7ca00506294a6e0fb # MD5 a3054119362e01824d721291e32c81bd
TypeValueNote
sha256 3f61503dccb7cb60b2af20ca64a2b3bba753b0ef4158efd7ca00506294a6e0fb Sample:GandCrab
md5 a3054119362e01824d721291e32c81bd Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi