Overview

overview

10

Static

static

3

2024-11-21...ck.exe

windows7-x64

10

2024-11-21...ck.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    2024-11-21_9fac3e4225b3aaacbf2a59a2bcffba00_virlock

  • Size

    117KB

  • Sample

    241121-dnznwaspfk

  • MD5

    9fac3e4225b3aaacbf2a59a2bcffba00

  • SHA1

    252caef9b62150eee9a7d83db7d68f7355e62216

  • SHA256

    c4ada8628f591a551e8d3eec090bedcab90c9cccaae9e641d8a57e80ab3cc307

  • SHA512

    1489fbbf331476dc673791835f921f44f3cb5a2f37fb3762787927e3620a019645df9c9e23f0457b3aee8761966b8eb1d434fe2f718e0c7edabcfb5f44eb2d72

  • SSDEEP

    1536:zcUhcQHa9YT9d4tl6xKYfx0CnMOYWzxbZKIM7URtQK2WxnnvV3gwyIDwo:zDLHZd4+KYf6CMOn7YK2SvVwID

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-11-21_9fac3e4225b3aaacbf2a59a2bcffba00_virlock

    • Size

      117KB

    • MD5

      9fac3e4225b3aaacbf2a59a2bcffba00

    • SHA1

      252caef9b62150eee9a7d83db7d68f7355e62216

    • SHA256

      c4ada8628f591a551e8d3eec090bedcab90c9cccaae9e641d8a57e80ab3cc307

    • SHA512

      1489fbbf331476dc673791835f921f44f3cb5a2f37fb3762787927e3620a019645df9c9e23f0457b3aee8761966b8eb1d434fe2f718e0c7edabcfb5f44eb2d72

    • SSDEEP

      1536:zcUhcQHa9YT9d4tl6xKYfx0CnMOYWzxbZKIM7URtQK2WxnnvV3gwyIDwo:zDLHZd4+KYf6CMOn7YK2SvVwID

    Score
    10/10
    discoveryevasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (83) 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