GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256daed99241c35fe2f37c0b9bf4cf032a11e4121bbed2fd146104e6bd29c9c740a
MD5e3870918cbaecfec94c46ca54ab68417
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Namedaed99241c35fe2f37c0b9bf4cf032a11e4121bbed2fd146104e6bd29c9c740a
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: daed99241c35fe2f37c0b9bf4cf032a11e4121bbed2fd146104e6bd29c9c740a
  • MD5: e3870918cbaecfec94c46ca54ab68417

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: daed99241c35fe2f"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "daed99241c35fe2f37c0b9bf4cf032a11e4121bbed2fd146104e6bd29c9c740a"
}

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 daed99241c35fe2f37c0b9bf4cf032a11e4121bbed2fd146104e6bd29c9c740a # MD5 e3870918cbaecfec94c46ca54ab68417
TypeValueNote
sha256 daed99241c35fe2f37c0b9bf4cf032a11e4121bbed2fd146104e6bd29c9c740a Sample:GandCrab
md5 e3870918cbaecfec94c46ca54ab68417 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi