Overview

overview

10

Static

static

3

2024-11-20...ck.exe

windows7-x64

10

2024-11-20...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-11-20_0f5d662af0afbcb8c3c3ffcb65cc6ce5_virlock

  • Size

    564KB

  • Sample

    241120-c7q1eatmep

  • MD5

    0f5d662af0afbcb8c3c3ffcb65cc6ce5

  • SHA1

    067904b4d21fdec69700e44460cc3a4c5bd83a0f

  • SHA256

    fe9cece62f03ff701a018bf38cd30020f54ee178206767d21b2e3af24276e829

  • SHA512

    93d0feb09be718f945ba9310d17575834b31f1d2737f2efb93815ea09d03dc1e4f6cc8a7e885d0a9ec254867fee17fece6afe4e0e8331c31cd94b113ba4c50d6

  • SSDEEP

    6144:uApzz2Xt9GiwRSJMsFYwaXiKXEcn6hvpeaDnZxU0uL7r+Uk0oso7BNy2Ynls:uTfGzdlzXiy6hheana/rg0zodwhs

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-11-20_0f5d662af0afbcb8c3c3ffcb65cc6ce5_virlock

    • Size

      564KB

    • MD5

      0f5d662af0afbcb8c3c3ffcb65cc6ce5

    • SHA1

      067904b4d21fdec69700e44460cc3a4c5bd83a0f

    • SHA256

      fe9cece62f03ff701a018bf38cd30020f54ee178206767d21b2e3af24276e829

    • SHA512

      93d0feb09be718f945ba9310d17575834b31f1d2737f2efb93815ea09d03dc1e4f6cc8a7e885d0a9ec254867fee17fece6afe4e0e8331c31cd94b113ba4c50d6

    • SSDEEP

      6144:uApzz2Xt9GiwRSJMsFYwaXiKXEcn6hvpeaDnZxU0uL7r+Uk0oso7BNy2Ynls:uTfGzdlzXiy6hheana/rg0zodwhs

    Score
    10/10
    discoveryevasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (81) 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

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