Overview

overview

10

Static

static

3

2024-05-25...ck.exe

windows7-x64

10

2024-05-25...ck.exe

windows10-2004-x64

10

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General

  • Target

    2024-05-25_2c2aabd374c4a8b5d266160f29645e58_virlock

  • Size

    634KB

  • Sample

    240525-qmjx9adh9v

  • MD5

    2c2aabd374c4a8b5d266160f29645e58

  • SHA1

    3e08e026ec02d3d8986bae60cf9b13490a076cfe

  • SHA256

    2480333ca4d969ca117e9aae182ac7ace3afcd2172719b6b295252adce357558

  • SHA512

    b80bf68f8836b0d41a8fcd4b82094097cf11061ee4b5b8f824e313d385750a4a8c814056a9e338a08fb9341fb49f6d1076ab542ef8a5608e8de87a57f87cee88

  • SSDEEP

    12288:i8T8hPMbdr4oWhEgpnRGImUI8w/Y8OcZkPyIEgjiD:iRPMbZSNnR478w/Yn4g+

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-05-25_2c2aabd374c4a8b5d266160f29645e58_virlock

    • Size

      634KB

    • MD5

      2c2aabd374c4a8b5d266160f29645e58

    • SHA1

      3e08e026ec02d3d8986bae60cf9b13490a076cfe

    • SHA256

      2480333ca4d969ca117e9aae182ac7ace3afcd2172719b6b295252adce357558

    • SHA512

      b80bf68f8836b0d41a8fcd4b82094097cf11061ee4b5b8f824e313d385750a4a8c814056a9e338a08fb9341fb49f6d1076ab542ef8a5608e8de87a57f87cee88

    • SSDEEP

      12288:i8T8hPMbdr4oWhEgpnRGImUI8w/Y8OcZkPyIEgjiD:iRPMbZSNnR478w/Yn4g+

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (73) 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