GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256f390f529d708044307558c0c6207403f6342773297dde59dbfa583ace214abfa
MD50cf0c460ea16773e2fd900d2e8fc9a40
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namef390f529d708044307558c0c6207403f6342773297dde59dbfa583ace214abfa
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: f390f529d708044307558c0c6207403f6342773297dde59dbfa583ace214abfa
  • MD5: 0cf0c460ea16773e2fd900d2e8fc9a40

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: f390f529d7080443"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "f390f529d708044307558c0c6207403f6342773297dde59dbfa583ace214abfa"
}

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 f390f529d708044307558c0c6207403f6342773297dde59dbfa583ace214abfa # MD5 0cf0c460ea16773e2fd900d2e8fc9a40
TypeValueNote
sha256 f390f529d708044307558c0c6207403f6342773297dde59dbfa583ace214abfa Sample:GandCrab
md5 0cf0c460ea16773e2fd900d2e8fc9a40 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi