GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25654abd00a0eab06cc4128a271018a717c9190221f222e2a6fb93f37b4b6e4b3a3
MD5d9b0c9f8cf20ff558c0b0624a275b04a
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name54abd00a0eab06cc4128a271018a717c9190221f222e2a6fb93f37b4b6e4b3a3
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 54abd00a0eab06cc4128a271018a717c9190221f222e2a6fb93f37b4b6e4b3a3
  • MD5: d9b0c9f8cf20ff558c0b0624a275b04a

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: 54abd00a0eab06cc"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "54abd00a0eab06cc4128a271018a717c9190221f222e2a6fb93f37b4b6e4b3a3"
}

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 54abd00a0eab06cc4128a271018a717c9190221f222e2a6fb93f37b4b6e4b3a3 # MD5 d9b0c9f8cf20ff558c0b0624a275b04a
TypeValueNote
sha256 54abd00a0eab06cc4128a271018a717c9190221f222e2a6fb93f37b4b6e4b3a3 Sample:GandCrab
md5 d9b0c9f8cf20ff558c0b0624a275b04a Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi