GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256947d6635f1ab7ddd6dc86ca25ac42a602d3c282e6662a83af85da5b703374e3a
MD50efba97f1542bb5e0940f9e1de6157d5
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name947d6635f1ab7ddd6dc86ca25ac42a602d3c282e6662a83af85da5b703374e3a
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 947d6635f1ab7ddd6dc86ca25ac42a602d3c282e6662a83af85da5b703374e3a
  • MD5: 0efba97f1542bb5e0940f9e1de6157d5

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: 947d6635f1ab7ddd"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "947d6635f1ab7ddd6dc86ca25ac42a602d3c282e6662a83af85da5b703374e3a"
}

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 947d6635f1ab7ddd6dc86ca25ac42a602d3c282e6662a83af85da5b703374e3a # MD5 0efba97f1542bb5e0940f9e1de6157d5
TypeValueNote
sha256 947d6635f1ab7ddd6dc86ca25ac42a602d3c282e6662a83af85da5b703374e3a Sample:GandCrab
md5 0efba97f1542bb5e0940f9e1de6157d5 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi