GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256b54652f9e71aadbbb1134ca3fcf767c912397b9d976262cc192b2b136ec78c97
MD507c36327313b4fb43ddcd445b9e2a8a4
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Nameb54652f9e71aadbbb1134ca3fcf767c912397b9d976262cc192b2b136ec78c97
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: b54652f9e71aadbbb1134ca3fcf767c912397b9d976262cc192b2b136ec78c97
  • MD5: 07c36327313b4fb43ddcd445b9e2a8a4

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: b54652f9e71aadbb"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "b54652f9e71aadbbb1134ca3fcf767c912397b9d976262cc192b2b136ec78c97"
}

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 b54652f9e71aadbbb1134ca3fcf767c912397b9d976262cc192b2b136ec78c97 # MD5 07c36327313b4fb43ddcd445b9e2a8a4
TypeValueNote
sha256 b54652f9e71aadbbb1134ca3fcf767c912397b9d976262cc192b2b136ec78c97 Sample:GandCrab
md5 07c36327313b4fb43ddcd445b9e2a8a4 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi