GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25678f560430b104a407102fdf177e81a3ffbcc832bc943ceec4bb98e3ee80a64d2
MD505b2cae23a2285955652566c9c911d31
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name78f560430b104a407102fdf177e81a3ffbcc832bc943ceec4bb98e3ee80a64d2
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 78f560430b104a407102fdf177e81a3ffbcc832bc943ceec4bb98e3ee80a64d2
  • MD5: 05b2cae23a2285955652566c9c911d31

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: 78f560430b104a40"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "78f560430b104a407102fdf177e81a3ffbcc832bc943ceec4bb98e3ee80a64d2"
}

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 78f560430b104a407102fdf177e81a3ffbcc832bc943ceec4bb98e3ee80a64d2 # MD5 05b2cae23a2285955652566c9c911d31
TypeValueNote
sha256 78f560430b104a407102fdf177e81a3ffbcc832bc943ceec4bb98e3ee80a64d2 Sample:GandCrab
md5 05b2cae23a2285955652566c9c911d31 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi