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Overview

overview

10

Static

static

3

2024-05-10...ck.exe

windows7-x64

10

2024-05-10...ck.exe

windows10-2004-x64

10

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General

  • Target

    2024-05-10_7c0591bb11e45afbd3ddd4521ca46791_virlock

  • Size

    196KB

  • Sample

    240510-w3vmkseb63

  • MD5

    7c0591bb11e45afbd3ddd4521ca46791

  • SHA1

    59b5453b71086aeaf1012f45d335374a2f13133c

  • SHA256

    ae4cfb406afe9f575189804fde9c3abef45fa5020398938529fe17c9ec66daf3

  • SHA512

    c9418951b095241926f048768de341035e8ed84c1a4cb644f450201baa7861cfb68f0d759e14e353f5deb37104b12aa64ded777da37b1aadf690a1f44a4b243b

  • SSDEEP

    6144:sRBqTFl1qQ1K0+V6SW5pY8i3ktNoz0ul:8qjwQ1K0XektN+0u

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-05-10_7c0591bb11e45afbd3ddd4521ca46791_virlock

    • Size

      196KB

    • MD5

      7c0591bb11e45afbd3ddd4521ca46791

    • SHA1

      59b5453b71086aeaf1012f45d335374a2f13133c

    • SHA256

      ae4cfb406afe9f575189804fde9c3abef45fa5020398938529fe17c9ec66daf3

    • SHA512

      c9418951b095241926f048768de341035e8ed84c1a4cb644f450201baa7861cfb68f0d759e14e353f5deb37104b12aa64ded777da37b1aadf690a1f44a4b243b

    • SSDEEP

      6144:sRBqTFl1qQ1K0+V6SW5pY8i3ktNoz0ul:8qjwQ1K0XektN+0u

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (56) 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