Overview

overview

10

Static

static

3

2024-05-08...ck.exe

windows7-x64

10

2024-05-08...ck.exe

windows10-2004-x64

10

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General

  • Target

    2024-05-08_5632cbb3ad1b2b7a0996e98ddf3417b7_virlock

  • Size

    566KB

  • Sample

    240508-b54m2sca4y

  • MD5

    5632cbb3ad1b2b7a0996e98ddf3417b7

  • SHA1

    13d4a71d598cb3aaec05f343a81adc005675c425

  • SHA256

    f39db6dcd84536f3e68396df21ab407ebecac77e356ca2e7ddd8e73e0ad7eeba

  • SHA512

    953db24dc592c69369bfc937ffec894e39b8d6959559da902a5920bc7700058f793dec285a15c80e8ecf21da6998731a33d4ea8bbbf87a1647b581abff6e3c8a

  • SSDEEP

    12288:GlXLxXAoNdPh5XLaVYyF0Pb6sLyp76LJNsZnQPHABIByy:GhxwoXJ57yGG6dQnQPHABp

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-05-08_5632cbb3ad1b2b7a0996e98ddf3417b7_virlock

    • Size

      566KB

    • MD5

      5632cbb3ad1b2b7a0996e98ddf3417b7

    • SHA1

      13d4a71d598cb3aaec05f343a81adc005675c425

    • SHA256

      f39db6dcd84536f3e68396df21ab407ebecac77e356ca2e7ddd8e73e0ad7eeba

    • SHA512

      953db24dc592c69369bfc937ffec894e39b8d6959559da902a5920bc7700058f793dec285a15c80e8ecf21da6998731a33d4ea8bbbf87a1647b581abff6e3c8a

    • SSDEEP

      12288:GlXLxXAoNdPh5XLaVYyF0Pb6sLyp76LJNsZnQPHABIByy:GhxwoXJ57yGG6dQnQPHABp

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (77) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

4
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks