Overview

overview

10

Static

static

3

2024-02-02...ck.exe

windows7-x64

10

2024-02-02...ck.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    2024-02-02_8ec1cc3af88d7c611820ec7ad24d2459_virlock

  • Size

    253KB

  • Sample

    240202-c1rncsebcl

  • MD5

    8ec1cc3af88d7c611820ec7ad24d2459

  • SHA1

    61b1f77ac15a12800aa006cd52fcd014e1c259a3

  • SHA256

    5ded02318d3ae2629fee9d1f5207d0e750fc6f7bdcbf56d1a3a34bf4712e5201

  • SHA512

    72939cb0b6bfb00d6bb406262675ea960c6492cc6898c77870a863201e71d96de64ed9b9ccd3a8d9858b27168f32792fb10d65ea2dd34ac3a9632e79e6bacabc

  • SSDEEP

    6144:X3vV0VHeIiUvcYDq0QWqBZJYLpFFmwnPAR:X3vmVHeIiUvcY+0Qh3JCpFEwPAR

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-02-02_8ec1cc3af88d7c611820ec7ad24d2459_virlock

    • Size

      253KB

    • MD5

      8ec1cc3af88d7c611820ec7ad24d2459

    • SHA1

      61b1f77ac15a12800aa006cd52fcd014e1c259a3

    • SHA256

      5ded02318d3ae2629fee9d1f5207d0e750fc6f7bdcbf56d1a3a34bf4712e5201

    • SHA512

      72939cb0b6bfb00d6bb406262675ea960c6492cc6898c77870a863201e71d96de64ed9b9ccd3a8d9858b27168f32792fb10d65ea2dd34ac3a9632e79e6bacabc

    • SSDEEP

      6144:X3vV0VHeIiUvcYDq0QWqBZJYLpFFmwnPAR:X3vmVHeIiUvcY+0Qh3JCpFEwPAR

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (80) 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

    • 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

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