GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256b67d9acae9cad39e742dc848556eba20e4938e4c9f3c8104f66ba57631f78fcb
MD59cdf68f234b3efa4306d576bc6852128
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Nameb67d9acae9cad39e742dc848556eba20e4938e4c9f3c8104f66ba57631f78fcb
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: b67d9acae9cad39e742dc848556eba20e4938e4c9f3c8104f66ba57631f78fcb
  • MD5: 9cdf68f234b3efa4306d576bc6852128

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: b67d9acae9cad39e"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "b67d9acae9cad39e742dc848556eba20e4938e4c9f3c8104f66ba57631f78fcb"
}

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 b67d9acae9cad39e742dc848556eba20e4938e4c9f3c8104f66ba57631f78fcb # MD5 9cdf68f234b3efa4306d576bc6852128
TypeValueNote
sha256 b67d9acae9cad39e742dc848556eba20e4938e4c9f3c8104f66ba57631f78fcb Sample:GandCrab
md5 9cdf68f234b3efa4306d576bc6852128 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi