Overview

overview

10

Static

static

06a7b97d28...f4.exe

windows7_x64

1

06a7b97d28...f4.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    06a7b97d2800561df9435bf60de8e261ac8f9079b588aa1d83347e52f7a7c5f4

  • Size

    193KB

  • Sample

    220219-kkemvshhh8

  • MD5

    95fd26f6908ef7a718a4392c5c91e2c7

  • SHA1

    31d98aeca3e2d27a2882fc65fba78e31e7aaee0f

  • SHA256

    06a7b97d2800561df9435bf60de8e261ac8f9079b588aa1d83347e52f7a7c5f4

  • SHA512

    08679e973186546c87163fd93179f341a4de4f8241d937c42e4524fc1eb63e9f9f0d3381368226716fb927ea59df7975ec69b0b029038ac5eadcfdd1d001ca73

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

      06a7b97d2800561df9435bf60de8e261ac8f9079b588aa1d83347e52f7a7c5f4

    • Size

      193KB

    • MD5

      95fd26f6908ef7a718a4392c5c91e2c7

    • SHA1

      31d98aeca3e2d27a2882fc65fba78e31e7aaee0f

    • SHA256

      06a7b97d2800561df9435bf60de8e261ac8f9079b588aa1d83347e52f7a7c5f4

    • SHA512

      08679e973186546c87163fd93179f341a4de4f8241d937c42e4524fc1eb63e9f9f0d3381368226716fb927ea59df7975ec69b0b029038ac5eadcfdd1d001ca73

    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.

    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