GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256b7f8c26b75a3ac45884a7d73d5909975a787276e560fcf6a9f75ed00e9082eec
MD5e61051a4779e5db8ce43cbdfe075637d
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Nameb7f8c26b75a3ac45884a7d73d5909975a787276e560fcf6a9f75ed00e9082eec
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: b7f8c26b75a3ac45884a7d73d5909975a787276e560fcf6a9f75ed00e9082eec
  • MD5: e61051a4779e5db8ce43cbdfe075637d

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: b7f8c26b75a3ac45"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "b7f8c26b75a3ac45884a7d73d5909975a787276e560fcf6a9f75ed00e9082eec"
}

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 b7f8c26b75a3ac45884a7d73d5909975a787276e560fcf6a9f75ed00e9082eec # MD5 e61051a4779e5db8ce43cbdfe075637d
TypeValueNote
sha256 b7f8c26b75a3ac45884a7d73d5909975a787276e560fcf6a9f75ed00e9082eec Sample:GandCrab
md5 e61051a4779e5db8ce43cbdfe075637d Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi