Overview

overview

10

Static

static

ddc41e1577...d4.exe

windows7_x64

10

ddc41e1577...d4.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    ddc41e15773815f293b5a61e505e37dff0e05e9e195e4dd2e2eaab932b9582d4

  • Size

    72KB

  • Sample

    220220-bqzesagcaq

  • MD5

    777d9d83da40ed1481d9f0646b4b0a3d

  • SHA1

    6c817e64a04620eddd9b73ed894a76afac484b94

  • SHA256

    ddc41e15773815f293b5a61e505e37dff0e05e9e195e4dd2e2eaab932b9582d4

  • SHA512

    f0ae9cd13ec35b7cfa4dda91637c683b1074faff99fbff8448b8dd90fac2c0be1fa2304f90bbea4695fa196724f36767f2f40f5a1e6a95e3cf6c14ecea2754b6

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

      ddc41e15773815f293b5a61e505e37dff0e05e9e195e4dd2e2eaab932b9582d4

    • Size

      72KB

    • MD5

      777d9d83da40ed1481d9f0646b4b0a3d

    • SHA1

      6c817e64a04620eddd9b73ed894a76afac484b94

    • SHA256

      ddc41e15773815f293b5a61e505e37dff0e05e9e195e4dd2e2eaab932b9582d4

    • SHA512

      f0ae9cd13ec35b7cfa4dda91637c683b1074faff99fbff8448b8dd90fac2c0be1fa2304f90bbea4695fa196724f36767f2f40f5a1e6a95e3cf6c14ecea2754b6

    Score
    10/10
    ryukransomware

    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

      ransomwareryuk

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks