GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25628861621aea3c09247455f269db908b3fa69baf9921ad3cc515bc4ca4ae72263
MD50e284fc37ac33f7aa3a6c3f0b51d42c0
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name28861621aea3c09247455f269db908b3fa69baf9921ad3cc515bc4ca4ae72263
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 28861621aea3c09247455f269db908b3fa69baf9921ad3cc515bc4ca4ae72263
  • MD5: 0e284fc37ac33f7aa3a6c3f0b51d42c0

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: 28861621aea3c092"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "28861621aea3c09247455f269db908b3fa69baf9921ad3cc515bc4ca4ae72263"
}

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 28861621aea3c09247455f269db908b3fa69baf9921ad3cc515bc4ca4ae72263 # MD5 0e284fc37ac33f7aa3a6c3f0b51d42c0
TypeValueNote
sha256 28861621aea3c09247455f269db908b3fa69baf9921ad3cc515bc4ca4ae72263 Sample:GandCrab
md5 0e284fc37ac33f7aa3a6c3f0b51d42c0 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi