GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256acd35cd71b6c6cc745a4f983c92872dfb9c01bc08f1d2d676c9764aabc05e858
MD5910204d90602689e0e33bce63edf4286
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Nameacd35cd71b6c6cc745a4f983c92872dfb9c01bc08f1d2d676c9764aabc05e858
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: acd35cd71b6c6cc745a4f983c92872dfb9c01bc08f1d2d676c9764aabc05e858
  • MD5: 910204d90602689e0e33bce63edf4286

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: acd35cd71b6c6cc7"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "acd35cd71b6c6cc745a4f983c92872dfb9c01bc08f1d2d676c9764aabc05e858"
}

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 acd35cd71b6c6cc745a4f983c92872dfb9c01bc08f1d2d676c9764aabc05e858 # MD5 910204d90602689e0e33bce63edf4286
TypeValueNote
sha256 acd35cd71b6c6cc745a4f983c92872dfb9c01bc08f1d2d676c9764aabc05e858 Sample:GandCrab
md5 910204d90602689e0e33bce63edf4286 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi