Dharma | 威胁等级: high | 类型: Ransomware

加密标识符

SHA256aa63528bf720d3f9b31e91945a576afa4c609a09c07b3bbfc29351d760a71ccd
MD53fdb650cb7d17cc8c639d44ee11ee91b
文件类型exe
大小92.5 KB
首次发现2023-01-24
文件名2023-01-22_3fdb650cb7d17cc8c639d44ee11ee91b_crysis
标签Dharma, exe, Ransomware

恶意软件家族: Dharma

Dharma, kurum ransomware'dir.

类型Ransomware
编程语言C++
目标平台Windows
C2 协议
用途Kurum ransomware
首次发现年份2016
别名Crysis

威胁指标 (IOC)

  • SHA256: aa63528bf720d3f9b31e91945a576afa4c609a09c07b3bbfc29351d760a71ccd
  • MD5: 3fdb650cb7d17cc8c639d44ee11ee91b

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 Dharma_SHA256 {
    meta:
        description = "Dharma sample: aa63528bf720d3f9"
        threat_level = "high"
        first_seen = "2023-01-24"
    condition:
        hash.sha256(0, filesize) == "aa63528bf720d3f9b31e91945a576afa4c609a09c07b3bbfc29351d760a71ccd"
}

Dharma — 恶意软件档案

Dharma ransomware. firemail.cc email iletisim. wmic shadowcopy delete yedek imhasi. Crypto++ RSA+AES. Çok yıllık aktif.

恶意软件类型
Ransomware
编程语言
C++
C2协议
目标系统
Windows
别名 (AKA)
Crysis

技术细节

Ransomware ailesi: AES/RSA hibrid sifreleme, dosya uzantisi degistirme, shadow copy silme, C2 ile anahtar alis-verisi, fidye notu birakma, kullanici belgelerine odaklanma

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 — Dharma
# SHA256 aa63528bf720d3f9b31e91945a576afa4c609a09c07b3bbfc29351d760a71ccd # MD5 3fdb650cb7d17cc8c639d44ee11ee91b
类型备注
sha256 aa63528bf720d3f9b31e91945a576afa4c609a09c07b3bbfc29351d760a71ccd Sample:Dharma
md5 3fdb650cb7d17cc8c639d44ee11ee91b Sample:Dharma

C2服务器 (该家族共有 2 台已记录服务器)

地址 类型 端口 协议 状态 国家
firemail.cc domain 443 HTTPS active —
uncryptfile.com domain 443 HTTPS inactive —

C2 地址仅来自 KEYDAL 团队人工验证的恶意软件样本。禁止用于商业用途。

标签
dharmaransomwaremalwarehighsha256hash-analizi