Overview

overview

10

Static

static

3

2024-08-08...uk.exe

windows7-x64

10

2024-08-08...uk.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-08-08_3781ce7aa4b0516d0d34e319426f1171_moonbounce_ryuk

  • Size

    14.6MB

  • Sample

    240808-yslm2ayell

  • MD5

    3781ce7aa4b0516d0d34e319426f1171

  • SHA1

    bf54422d2de53c4fe1397382ce188ac412e6c668

  • SHA256

    e8d786577061f8b771e8dc4327d8a456e5e0aca5de42453672d20842a8413dd9

  • SHA512

    af30bfcc8f31af3433ab847b86f566a60b6349f74c55a39c31a3846e53e08c44ae136090f4e1a0d0ec42680890ab4fdc30b8601b2dfd0e44f9bd09ac58049ec7

  • SSDEEP

    196608:XyfE81fmwzIbkM3MYpLn90O5DfgIs5mFwFILAifU3WAsaVVKdmls7t:+z1KMYpr9FDfgIw9icmAse

Score
10/10
bootkitdiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Targets

    • Target

      2024-08-08_3781ce7aa4b0516d0d34e319426f1171_moonbounce_ryuk

    • Size

      14.6MB

    • MD5

      3781ce7aa4b0516d0d34e319426f1171

    • SHA1

      bf54422d2de53c4fe1397382ce188ac412e6c668

    • SHA256

      e8d786577061f8b771e8dc4327d8a456e5e0aca5de42453672d20842a8413dd9

    • SHA512

      af30bfcc8f31af3433ab847b86f566a60b6349f74c55a39c31a3846e53e08c44ae136090f4e1a0d0ec42680890ab4fdc30b8601b2dfd0e44f9bd09ac58049ec7

    • SSDEEP

      196608:XyfE81fmwzIbkM3MYpLn90O5DfgIs5mFwFILAifU3WAsaVVKdmls7t:+z1KMYpr9FDfgIw9icmAse

    Score
    10/10
    bootkitdiscoveryevasionpersistenceprivilege_escalationtrojan

    • UAC bypass

      evasiontrojan

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Persistence

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

1
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

3
T1012

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks