GandCrab | 威胁等级: critical | 类型: Ransomware

加密标识符

SHA256b4ad9f731a8fb33c6ed966967bcdd9eaf9b3a55a8acea675909c78185c170b5f
MD57b89ac78dd6c512a370a7e6fc29bc3ca
文件类型exe
大小73.5 KB
首次发现2022-08-30
文件名b4ad9f731a8fb33c6ed966967bcdd9eaf9b3a55a8acea675909c78185c170b5f
标签exe, Gandcrab

恶意软件家族: GandCrab

GandCrab, en yaygın eski ransomware'dir.

类型Ransomware
编程语言C
目标平台Windows
C2 协议HTTP
用途MaaS ransomware
首次发现年份2018

威胁指标 (IOC)

  • SHA256: b4ad9f731a8fb33c6ed966967bcdd9eaf9b3a55a8acea675909c78185c170b5f
  • MD5: 7b89ac78dd6c512a370a7e6fc29bc3ca

您可以在 VirusTotal 上验证此样本的所有哈希值。

系统清理指南

  1. Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
  2. 不要支付赎金——无法保证恢复文件
  3. 隔离受影响的驱动器
  4. Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
  5. 尝试可用的解密工具(NoMoreRansom 项目)
  6. 向执法部门(网络犯罪部门)报案
  7. Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın

YARA 规则提示

rule GandCrab_SHA256 {
    meta:
        description = "GandCrab sample: b4ad9f731a8fb33c"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "b4ad9f731a8fb33c6ed966967bcdd9eaf9b3a55a8acea675909c78185c170b5f"
}

GandCrab — 恶意软件档案

GandCrab, 2018-2019 aktif RaaS ailesidir. 1.5 milyar USD hasar. RSA+Salsa20. Haziran 2019 kapandi. REvil oncusu.

恶意软件类型
Ransomware
编程语言
C
C2协议
HTTP
目标系统
Windows

能力与行为

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列表 (2 个指标)

IOC — GandCrab
# SHA256 b4ad9f731a8fb33c6ed966967bcdd9eaf9b3a55a8acea675909c78185c170b5f # MD5 7b89ac78dd6c512a370a7e6fc29bc3ca
类型备注
sha256 b4ad9f731a8fb33c6ed966967bcdd9eaf9b3a55a8acea675909c78185c170b5f Sample:GandCrab
md5 7b89ac78dd6c512a370a7e6fc29bc3ca Sample:GandCrab
标签
gandcrabransomwaremalwarecriticalsha256hash-analizi