Overview

overview

10

Static

static

8e4613bf8c...e0.exe

windows7_x64

10

8e4613bf8c...e0.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    8e4613bf8ccd6a5574461721d90cdb0ca36c0acc26e25deb24f3311cb1ebf9e0

  • Size

    206KB

  • Sample

    220220-fbrhvagge9

  • MD5

    0b8e9a08a7589c90266cf4cc724614f9

  • SHA1

    eed7f84bbaa034d377cbb1f394c7b8c27f3fbd4a

  • SHA256

    8e4613bf8ccd6a5574461721d90cdb0ca36c0acc26e25deb24f3311cb1ebf9e0

  • SHA512

    fc7df8d676f07251113636954b9b97e648bdaaee22412cb7fb92ae270944759f852c77d226c0227dc0c5e4a7c10d2e1ce16c60a095427a5ae503c293856c2dad

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:\Documents and Settings\Admin\AppData\Local\Adobe\Color\RyukReadMe.html

Family

ryuk

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

Targets

    • Target

      8e4613bf8ccd6a5574461721d90cdb0ca36c0acc26e25deb24f3311cb1ebf9e0

    • Size

      206KB

    • MD5

      0b8e9a08a7589c90266cf4cc724614f9

    • SHA1

      eed7f84bbaa034d377cbb1f394c7b8c27f3fbd4a

    • SHA256

      8e4613bf8ccd6a5574461721d90cdb0ca36c0acc26e25deb24f3311cb1ebf9e0

    • SHA512

      fc7df8d676f07251113636954b9b97e648bdaaee22412cb7fb92ae270944759f852c77d226c0227dc0c5e4a7c10d2e1ce16c60a095427a5ae503c293856c2dad

    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