Overview

overview

10

Static

static

1

VoicemodIn...cu.exe

windows11-21h2-x64

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General

  • Target
    VoicemodInstaller_1.6.0-zxtpcu.exe
  • Size 6.1MB
  • Sample260913-fmvpmssajd
  • SHA256 bf11ab3c3e94ddf40a8edbf1eae52bf518c66d58560fc33defda720acd34506d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoveryinstallerpersistenceransomwaretrojan

Malware Config

Targets

    • Target
      VoicemodInstaller_1.6.0-zxtpcu.exe
    • Size 6.1MB
    • SHA256 bf11ab3c3e94ddf40a8edbf1eae52bf518c66d58560fc33defda720acd34506d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryinstallerpersistenceransomwaretrojan

    • UAC bypass

      defense_evasiontrojan

    • Blocks application from running via registry modification

      Adds application to list of disallowed applications.

      defense_evasion

    • Disables RegEdit via registry modification

      defense_evasion

    • Disables Task Manager via registry modification

      defense_evasion

    • Disables use of System Restore points

      defense_evasion

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • Modifies WinLogon for persistence

      persistence

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

2
T1546

Change Default File Association

1
T1546.001

Image File Execution Options Injection

1
T1546.012

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

2
T1546

Change Default File Association

1
T1546.001

Image File Execution Options Injection

1
T1546.012

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

4
T1112

Credential Access

Discovery

Browser Information Discovery

1
T1217

Query Registry

1
T1012

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Time Discovery

1
T1124

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

1
T1490

Tasks