Overview

overview

10

Static

static

3

2024-10-02...ck.exe

windows7-x64

10

2024-10-02...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-10-02_d712990d68a89cf20f5552341afc1920_virlock

  • Size

    116KB

  • Sample

    241002-lt3aystdpf

  • MD5

    d712990d68a89cf20f5552341afc1920

  • SHA1

    4dd59d7561a1ac25b49f7f7031564a3d573ee472

  • SHA256

    0c5680a6d27813627d5e8567317b45eb42accdc5266c5692c1c9477b9c311ebe

  • SHA512

    ef5db4d1d9dc92b66e4a9d8dc980236eb9caadc109408abc7ea73cee7375caafc7efc9573b3e410ddc5a705052f1e88bb4fc90f6338575953b11262b3b855879

  • SSDEEP

    3072:EOhhGUaapPJtpBttvtIKXDj2i0605MW1AwMRT7:EpTap1XDj2i0L57GHT7

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-10-02_d712990d68a89cf20f5552341afc1920_virlock

    • Size

      116KB

    • MD5

      d712990d68a89cf20f5552341afc1920

    • SHA1

      4dd59d7561a1ac25b49f7f7031564a3d573ee472

    • SHA256

      0c5680a6d27813627d5e8567317b45eb42accdc5266c5692c1c9477b9c311ebe

    • SHA512

      ef5db4d1d9dc92b66e4a9d8dc980236eb9caadc109408abc7ea73cee7375caafc7efc9573b3e410ddc5a705052f1e88bb4fc90f6338575953b11262b3b855879

    • SSDEEP

      3072:EOhhGUaapPJtpBttvtIKXDj2i0605MW1AwMRT7:EpTap1XDj2i0L57GHT7

    Score
    10/10
    discoveryevasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (78) 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.

    • Deletes itself

    • 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

    • Drops file in System32 directory

    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

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks