Overview

overview

10

Static

static

3

2024-09-20...ck.exe

windows7-x64

10

2024-09-20...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-09-20_4b2f4bc00a3c765493ec22cc684a2af0_virlock

  • Size

    4.8MB

  • Sample

    240920-e3qvysycqa

  • MD5

    4b2f4bc00a3c765493ec22cc684a2af0

  • SHA1

    3f10208d346f9b4fe97e52bbcd4b5e9b46115439

  • SHA256

    dc547dcdfd7abbcee0d93840fb8583b3b05c349396a4f5a75452ee26b3ed339f

  • SHA512

    f4b6f8705a4d032232f0b742be5bf24dd65ec922c6568deb5c2d7443cf1da17550dd8d15033fa71ddf74dd1a0e81c2aab71598a4dc39679e8b359da18eead1f4

  • SSDEEP

    98304:ct+BesWitHpiOBelt1Y+OscAQugMDsuvyFzudYLdp+y:cQBbxtJFe1YdtDMVhK+y

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-09-20_4b2f4bc00a3c765493ec22cc684a2af0_virlock

    • Size

      4.8MB

    • MD5

      4b2f4bc00a3c765493ec22cc684a2af0

    • SHA1

      3f10208d346f9b4fe97e52bbcd4b5e9b46115439

    • SHA256

      dc547dcdfd7abbcee0d93840fb8583b3b05c349396a4f5a75452ee26b3ed339f

    • SHA512

      f4b6f8705a4d032232f0b742be5bf24dd65ec922c6568deb5c2d7443cf1da17550dd8d15033fa71ddf74dd1a0e81c2aab71598a4dc39679e8b359da18eead1f4

    • SSDEEP

      98304:ct+BesWitHpiOBelt1Y+OscAQugMDsuvyFzudYLdp+y:cQBbxtJFe1YdtDMVhK+y

    Score
    10/10
    discoveryevasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (60) 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

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