Overview

overview

6

Static

static

1

oosu10premium_en.exe

windows10-2004-x64

6

oosu10premium_en.exe

windows11-ltsc_2024-x64

6

Sharing

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General

  • Target
    oosu10premium_en.exe
  • Size 62.1MB
  • Sample260821-2jhfssdk61
  • SHA256 3ac2831d8b7501518548adddbb9ef41a4e7e8c2990c2d321f1457b16bcfb7634
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
defense_evasiondiscoveryexecutionpersistenceprivilege_escalationransomwarespywaretrojan

Malware Config

Targets

    • Target
      oosu10premium_en.exe
    • Size 62.1MB
    • SHA256 3ac2831d8b7501518548adddbb9ef41a4e7e8c2990c2d321f1457b16bcfb7634
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    6/10
    defense_evasiondiscoveryexecutionpersistenceprivilege_escalationransomwarespywaretrojan

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

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

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

      persistenceprivilege_escalation
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Defense Evasion

Modify Registry

3
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Discovery

Peripheral Device Discovery

2
T1120

Query Registry

4
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks