GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256a0073a87ae71e69b382da2a02ff9a2c6078c8b4a25242211765ae59170fd1f36
MD56935b2be64c5f8c7cb2453f739b2248f
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Namea0073a87ae71e69b382da2a02ff9a2c6078c8b4a25242211765ae59170fd1f36
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: a0073a87ae71e69b382da2a02ff9a2c6078c8b4a25242211765ae59170fd1f36
  • MD5: 6935b2be64c5f8c7cb2453f739b2248f

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: a0073a87ae71e69b"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "a0073a87ae71e69b382da2a02ff9a2c6078c8b4a25242211765ae59170fd1f36"
}

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 a0073a87ae71e69b382da2a02ff9a2c6078c8b4a25242211765ae59170fd1f36 # MD5 6935b2be64c5f8c7cb2453f739b2248f
TypeValueNote
sha256 a0073a87ae71e69b382da2a02ff9a2c6078c8b4a25242211765ae59170fd1f36 Sample:GandCrab
md5 6935b2be64c5f8c7cb2453f739b2248f Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi