GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2561288ec62d92b403e43c0734f01aaa1b7c3363e23e29cf20b276b4d34977e7e9c
MD5e79fd383f36d5d1ba438144c72f15fd2
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name1288ec62d92b403e43c0734f01aaa1b7c3363e23e29cf20b276b4d34977e7e9c
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 1288ec62d92b403e43c0734f01aaa1b7c3363e23e29cf20b276b4d34977e7e9c
  • MD5: e79fd383f36d5d1ba438144c72f15fd2

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: 1288ec62d92b403e"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "1288ec62d92b403e43c0734f01aaa1b7c3363e23e29cf20b276b4d34977e7e9c"
}

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 1288ec62d92b403e43c0734f01aaa1b7c3363e23e29cf20b276b4d34977e7e9c # MD5 e79fd383f36d5d1ba438144c72f15fd2
TypeValueNote
sha256 1288ec62d92b403e43c0734f01aaa1b7c3363e23e29cf20b276b4d34977e7e9c Sample:GandCrab
md5 e79fd383f36d5d1ba438144c72f15fd2 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi