Overview

overview

10

Static

static

66973026e9...be.exe

windows7_x64

10

66973026e9...be.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    66973026e9f6c24e4e88f631fc72efb4c9096e67e9e726486cea4c2986512ebe

  • Size

    200KB

  • Sample

    220220-g6z9xaheh4

  • MD5

    ebcadf583bfc61ebb3dd8a119527d829

  • SHA1

    259be1414a0ac7892dddea0259b41094150b8d3d

  • SHA256

    66973026e9f6c24e4e88f631fc72efb4c9096e67e9e726486cea4c2986512ebe

  • SHA512

    9d1099a3cd7675b2baebd2b9b67db42800f0afd33c8ff326155c54e16328bf0b477cfff6fa3785921f1b62eeca8b8ece9afd01cdc3f6fd9f3751e5603c3a87bb

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�������������������������������������������������������������������������������������������������������������������������������������������������������

Extracted

Path

C:\RyukReadMe.html

Family

ryuk

Ransom Note
[email protected] [email protected] balance of shadow universe Ryuk

Targets

    • Target

      66973026e9f6c24e4e88f631fc72efb4c9096e67e9e726486cea4c2986512ebe

    • Size

      200KB

    • MD5

      ebcadf583bfc61ebb3dd8a119527d829

    • SHA1

      259be1414a0ac7892dddea0259b41094150b8d3d

    • SHA256

      66973026e9f6c24e4e88f631fc72efb4c9096e67e9e726486cea4c2986512ebe

    • SHA512

      9d1099a3cd7675b2baebd2b9b67db42800f0afd33c8ff326155c54e16328bf0b477cfff6fa3785921f1b62eeca8b8ece9afd01cdc3f6fd9f3751e5603c3a87bb

    Score
    10/10
    ryukransomware

    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

      ransomwareryuk

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Checks computer location settings

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

    • Drops desktop.ini file(s)

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks