Overview

overview

10

Static

static

8366f63d37...d2.exe

windows7_x64

10

8366f63d37...d2.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    8366f63d37f8cefda19657c49000b662c4dde38463517c34168b33bf427db5d2

  • Size

    187KB

  • Sample

    220220-fsva3aaadl

  • MD5

    2ee9a7ce3356c032d49c1947761c63b2

  • SHA1

    30181311c46b89cc3e01d3d8207c4c533199fa88

  • SHA256

    8366f63d37f8cefda19657c49000b662c4dde38463517c34168b33bf427db5d2

  • SHA512

    d2e8c140e5935ab0761283c8f85a0f9881129a0f131e51d1d4e1257d47874be9326437bac33c1f921eff3f0658b0147f026492083e47d8bea6b50ddc9873afd2

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> </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] balance of shadow universe Ryuk

Targets

    • Target

      8366f63d37f8cefda19657c49000b662c4dde38463517c34168b33bf427db5d2

    • Size

      187KB

    • MD5

      2ee9a7ce3356c032d49c1947761c63b2

    • SHA1

      30181311c46b89cc3e01d3d8207c4c533199fa88

    • SHA256

      8366f63d37f8cefda19657c49000b662c4dde38463517c34168b33bf427db5d2

    • SHA512

      d2e8c140e5935ab0761283c8f85a0f9881129a0f131e51d1d4e1257d47874be9326437bac33c1f921eff3f0658b0147f026492083e47d8bea6b50ddc9873afd2

    Score
    10/10
    ryukransomware

    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

      ransomwareryuk

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks