GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25676d77a2e806e3e5ecce93c6d85ccef5a2dd0c1534131860df16a2b3c86458c3f
MD5070b198fa738edcf36ca020950915dac
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name76d77a2e806e3e5ecce93c6d85ccef5a2dd0c1534131860df16a2b3c86458c3f
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 76d77a2e806e3e5ecce93c6d85ccef5a2dd0c1534131860df16a2b3c86458c3f
  • MD5: 070b198fa738edcf36ca020950915dac

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: 76d77a2e806e3e5e"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "76d77a2e806e3e5ecce93c6d85ccef5a2dd0c1534131860df16a2b3c86458c3f"
}

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 76d77a2e806e3e5ecce93c6d85ccef5a2dd0c1534131860df16a2b3c86458c3f # MD5 070b198fa738edcf36ca020950915dac
TypeValueNote
sha256 76d77a2e806e3e5ecce93c6d85ccef5a2dd0c1534131860df16a2b3c86458c3f Sample:GandCrab
md5 070b198fa738edcf36ca020950915dac Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi