Overview

overview

8

Static

static

1

pcaui.dll

windows10-2004-x64

8

pcaui.dll

windows11-ltsc_2024-x64

8

Sharing

Copy URL Twitter E-mail

General

  • Target
    pcaui.dll.exe
  • Size 90KB
  • Sample261027-2aecsagt7x
  • SHA256 9d1f17fa9d12198165a507f4d4bee2b730318492b8f756354b5b1be7bb444b76
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
defense_evasiondiscoveryexecutioninstallerpersistenceprivilege_escalationransomware

Malware Config

Targets

    • Target
      pcaui.dll.exe
    • Size 90KB
    • SHA256 9d1f17fa9d12198165a507f4d4bee2b730318492b8f756354b5b1be7bb444b76
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    defense_evasiondiscoveryexecutioninstallerpersistenceprivilege_escalationransomware

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Modifies file permissions

      discovery

    • Stops running service(s)

      defense_evasionexecution

    • Indicator Removal: Clear Persistence

      Clear artifacts associated with previously established persistence like scheduletasks on a host.

      defense_evasion

    • Modifies Windows Firewall

      defense_evasion

    • Network Share Discovery

      Attempt to gather information on host network.

      discovery

    • Checks computer location settings

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

    • Hide Artifacts: Hidden Files and Directories

      defense_evasion
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

File and Directory Permissions Modification

1
T1222

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

2
T1562

Disable or Modify System Firewall

1
T1562.004

Indicator Removal

1
T1070

Clear Persistence

1
T1070.009

Credential Access

Discovery

Network Share Discovery

1
T1135

Query Registry

3
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

1
T1489

Tasks