Overview

overview

10

Static

static

def050d478...86.exe

windows7_x64

10

def050d478...86.exe

windows10-2004_x64

10

Sharing

Copy URL
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General

  • Target

    def050d478f9e84882b007f3cd20dc4ffd3bf6f913532caa63ee4c9aec37dc86

  • Size

    202KB

  • Sample

    220220-bnzb1agbhj

  • MD5

    19c2252f877112192dd1112dde32e3d4

  • SHA1

    33f7c585527d012ba115d313003ca52b0fabcdb6

  • SHA256

    def050d478f9e84882b007f3cd20dc4ffd3bf6f913532caa63ee4c9aec37dc86

  • SHA512

    4f639986b6464c5b7802ed8f4bb2f069489da5ea556181db51b0ced62cf9e0f2afc8287d99b7a3678ed9402b629f4205dd8a92c4f4862977b2294f7df2a941bc

Score
10/10
ryukransomware

Malware Config

Extracted

Path

C:\RyukReadMe.html

Family

ryuk

Ransom Note
<html><body><p style="font-weight:bold;font-size:125%;top:0;left:0;"> [email protected] <br> [email protected] </p><p style="position:absolute;bottom:0;right:1%;font-weight:bold;font-size:170%">balance of shadow universe</p><div style="font-size: 550%;font-weight:bold;width:50%;height:50%;overflow:auto;margin:auto;position:absolute;top:35%;left:40%;">Ryuk</div></body></html�������������������������������������������������������������������������������������������������������������������������������������������������������

Targets

    • Target

      def050d478f9e84882b007f3cd20dc4ffd3bf6f913532caa63ee4c9aec37dc86

    • Size

      202KB

    • MD5

      19c2252f877112192dd1112dde32e3d4

    • SHA1

      33f7c585527d012ba115d313003ca52b0fabcdb6

    • SHA256

      def050d478f9e84882b007f3cd20dc4ffd3bf6f913532caa63ee4c9aec37dc86

    • SHA512

      4f639986b6464c5b7802ed8f4bb2f069489da5ea556181db51b0ced62cf9e0f2afc8287d99b7a3678ed9402b629f4205dd8a92c4f4862977b2294f7df2a941bc

    Score
    10/10
    ryukransomware

    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

      ransomwareryuk

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops desktop.ini file(s)

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks