Overview

overview

10

Static

static

d29d9915be...82.exe

windows7_x64

10

d29d9915be...82.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    d29d9915be6d41e899cec8593a36bf55acf63a1d574c65d7562898dab6dafa82

  • Size

    188KB

  • Sample

    220220-b2dx8agdbm

  • MD5

    28b6df2007a3b33b43a13ab518f2947d

  • SHA1

    7ea40bac1432c34736bd0cce346d8f9b983c627b

  • SHA256

    d29d9915be6d41e899cec8593a36bf55acf63a1d574c65d7562898dab6dafa82

  • SHA512

    e851fae2a441a1b0814d4725ea288875cd44229573449eddff2af1db66433d27461edf246a6f9ce01a32025985f008c0b6a0ada134aaaf2020b8f8d2ce683f58

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

      d29d9915be6d41e899cec8593a36bf55acf63a1d574c65d7562898dab6dafa82

    • Size

      188KB

    • MD5

      28b6df2007a3b33b43a13ab518f2947d

    • SHA1

      7ea40bac1432c34736bd0cce346d8f9b983c627b

    • SHA256

      d29d9915be6d41e899cec8593a36bf55acf63a1d574c65d7562898dab6dafa82

    • SHA512

      e851fae2a441a1b0814d4725ea288875cd44229573449eddff2af1db66433d27461edf246a6f9ce01a32025985f008c0b6a0ada134aaaf2020b8f8d2ce683f58

    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