Overview

overview

10

Static

static

b7dbb846d3...32.exe

windows7_x64

10

b7dbb846d3...32.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    b7dbb846d30fbd8d2d35171ae1e5df9eb7c8b5ad53e6cfaf4f6b5c08e3d5cc32

  • Size

    168KB

  • Sample

    220220-dcevbsghgr

  • MD5

    26ffd8020e1ce334c259ff92457c8d66

  • SHA1

    c62df79f5e481720ecd3d835d476f246759e6149

  • SHA256

    b7dbb846d30fbd8d2d35171ae1e5df9eb7c8b5ad53e6cfaf4f6b5c08e3d5cc32

  • SHA512

    9731d30073c293f20d50f9202c1b5266bbd13f6a2c77794b0e5fbb3765a01bd807a327063edf36533c880b0da4d57e4b8d99518e34f559453f83889ec21f6de5

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�������������������������������������������������������������������������������������������������������������������������������������������������������

Targets

    • Target

      b7dbb846d30fbd8d2d35171ae1e5df9eb7c8b5ad53e6cfaf4f6b5c08e3d5cc32

    • Size

      168KB

    • MD5

      26ffd8020e1ce334c259ff92457c8d66

    • SHA1

      c62df79f5e481720ecd3d835d476f246759e6149

    • SHA256

      b7dbb846d30fbd8d2d35171ae1e5df9eb7c8b5ad53e6cfaf4f6b5c08e3d5cc32

    • SHA512

      9731d30073c293f20d50f9202c1b5266bbd13f6a2c77794b0e5fbb3765a01bd807a327063edf36533c880b0da4d57e4b8d99518e34f559453f83889ec21f6de5

    Score
    10/10
    ryukransomware

    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

      ransomwareryuk

    • 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

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks