GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2566f7465d4ffdb1839187d128a385b4b45a8cb5d99eadcff67c7e148d7226eea3f
MD5bf731440d133f25bb5eeec768e7985b0
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name6f7465d4ffdb1839187d128a385b4b45a8cb5d99eadcff67c7e148d7226eea3f
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 6f7465d4ffdb1839187d128a385b4b45a8cb5d99eadcff67c7e148d7226eea3f
  • MD5: bf731440d133f25bb5eeec768e7985b0

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: 6f7465d4ffdb1839"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "6f7465d4ffdb1839187d128a385b4b45a8cb5d99eadcff67c7e148d7226eea3f"
}

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 6f7465d4ffdb1839187d128a385b4b45a8cb5d99eadcff67c7e148d7226eea3f # MD5 bf731440d133f25bb5eeec768e7985b0
TypeValueNote
sha256 6f7465d4ffdb1839187d128a385b4b45a8cb5d99eadcff67c7e148d7226eea3f Sample:GandCrab
md5 bf731440d133f25bb5eeec768e7985b0 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi