Overview

overview

10

Static

static

bce33065d0...b9.exe

windows7_x64

10

bce33065d0...b9.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    bce33065d06ee9290d73c7a470235508f605c9fef72dd0ebf480876c2ba593b9

  • Size

    207KB

  • Sample

    220220-c4pceafhb4

  • MD5

    7899090dd1b61fc2d85b50473e500d8b

  • SHA1

    9c972c2696d68d3d29726cdba061e31c51663c12

  • SHA256

    bce33065d06ee9290d73c7a470235508f605c9fef72dd0ebf480876c2ba593b9

  • SHA512

    b976e2f12bcb13ff10fb70338fac775356fb40ba36d11c40c72028c723d452e49128050dc30bac9d66e205162f2994d0f07aeb74a271fd494fd39cd1718b9c6b

Score
10/10
ryukransomware

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\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:\Users\Admin\AppData\Local\Temp\RyukReadMe.html

Family

ryuk

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

Targets

    • Target

      bce33065d06ee9290d73c7a470235508f605c9fef72dd0ebf480876c2ba593b9

    • Size

      207KB

    • MD5

      7899090dd1b61fc2d85b50473e500d8b

    • SHA1

      9c972c2696d68d3d29726cdba061e31c51663c12

    • SHA256

      bce33065d06ee9290d73c7a470235508f605c9fef72dd0ebf480876c2ba593b9

    • SHA512

      b976e2f12bcb13ff10fb70338fac775356fb40ba36d11c40c72028c723d452e49128050dc30bac9d66e205162f2994d0f07aeb74a271fd494fd39cd1718b9c6b

    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