Overview

overview

10

Static

static

3

2024-05-23...ck.exe

windows7-x64

10

2024-05-23...ck.exe

windows10-2004-x64

10

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General

  • Target

    2024-05-23_d98c67d74607c18e43d723337c8049d4_virlock

  • Size

    310KB

  • Sample

    240523-mxpdyadf82

  • MD5

    d98c67d74607c18e43d723337c8049d4

  • SHA1

    92f835eae940738edae0a85c3d91d13a0e7f9261

  • SHA256

    d2ff03b23684dbad9f39569f37f0e80a96461ec9762b796a2b0a2312bd350887

  • SHA512

    d4ab337fa570981e874e46cebe64db209b07d84d386415d0364fc756782983f38adb87f58d5374603c007e29344a754d53ddf11633aa7dcc3ded45d849dbad4c

  • SSDEEP

    6144:TeEE+LQYFUIYbVHTzQ/7cd9YPCuHoDQnzXPggdlC5nvpOGM:THEwaHQM9YPQQnzYHvp9M

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-05-23_d98c67d74607c18e43d723337c8049d4_virlock

    • Size

      310KB

    • MD5

      d98c67d74607c18e43d723337c8049d4

    • SHA1

      92f835eae940738edae0a85c3d91d13a0e7f9261

    • SHA256

      d2ff03b23684dbad9f39569f37f0e80a96461ec9762b796a2b0a2312bd350887

    • SHA512

      d4ab337fa570981e874e46cebe64db209b07d84d386415d0364fc756782983f38adb87f58d5374603c007e29344a754d53ddf11633aa7dcc3ded45d849dbad4c

    • SSDEEP

      6144:TeEE+LQYFUIYbVHTzQ/7cd9YPCuHoDQnzXPggdlC5nvpOGM:THEwaHQM9YPQQnzYHvp9M

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (69) 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 Matrix ATT&CK v13

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

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Modify Registry

4
T1112

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks