GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256d4374af04871257a7402cd532e31e9ea908ef79a9d173c13a15e8a995d9cd47d
MD50ca8711b927d73029b4c77a1832be484
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Named4374af04871257a7402cd532e31e9ea908ef79a9d173c13a15e8a995d9cd47d
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: d4374af04871257a7402cd532e31e9ea908ef79a9d173c13a15e8a995d9cd47d
  • MD5: 0ca8711b927d73029b4c77a1832be484

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: d4374af04871257a"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "d4374af04871257a7402cd532e31e9ea908ef79a9d173c13a15e8a995d9cd47d"
}

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 d4374af04871257a7402cd532e31e9ea908ef79a9d173c13a15e8a995d9cd47d # MD5 0ca8711b927d73029b4c77a1832be484
TypeValueNote
sha256 d4374af04871257a7402cd532e31e9ea908ef79a9d173c13a15e8a995d9cd47d Sample:GandCrab
md5 0ca8711b927d73029b4c77a1832be484 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi