GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256f148d81cbf8931ec21213b8591060b77346d2c0a02f3efce140028adb944bbc9
MD5a0abbaae75d7552285cce4180a30a2a4
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Namef148d81cbf8931ec21213b8591060b77346d2c0a02f3efce140028adb944bbc9
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: f148d81cbf8931ec21213b8591060b77346d2c0a02f3efce140028adb944bbc9
  • MD5: a0abbaae75d7552285cce4180a30a2a4

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: f148d81cbf8931ec"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "f148d81cbf8931ec21213b8591060b77346d2c0a02f3efce140028adb944bbc9"
}

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 f148d81cbf8931ec21213b8591060b77346d2c0a02f3efce140028adb944bbc9 # MD5 a0abbaae75d7552285cce4180a30a2a4
TypeValueNote
sha256 f148d81cbf8931ec21213b8591060b77346d2c0a02f3efce140028adb944bbc9 Sample:GandCrab
md5 a0abbaae75d7552285cce4180a30a2a4 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi