Overview

overview

10

Static

static

3

2024052431...ck.exe

windows7-x64

10

2024052431...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    202405243106b863aa4f39980f4d55a7c04ed3bdvirlock.exe

  • Size

    381KB

  • Sample

    240525-z1ltfaae7t

  • MD5

    3106b863aa4f39980f4d55a7c04ed3bd

  • SHA1

    33268bf8278c625707e9cc3068b63b17d56d92cc

  • SHA256

    1ca3875e956cf567e255254b0503fa8f4f12f057c714017f5517c8630ecef401

  • SHA512

    a6f62ea1d93986c2344089471566947b7e230fb0bf8ccbc0e9e38070fa1b04e58dfe9e8358baf5be2520f28867c3dd8b100e0e0229827748810c31ae054e87ab

  • SSDEEP

    6144:6Jz7/WYf1KVQIddj/hMoJgGqMqUZ0f1tULiDqBUuN4bgCnirx8K:W3xz8j/hMpMVa1tUmDqBUuN4ZnOx8K

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      202405243106b863aa4f39980f4d55a7c04ed3bdvirlock.exe

    • Size

      381KB

    • MD5

      3106b863aa4f39980f4d55a7c04ed3bd

    • SHA1

      33268bf8278c625707e9cc3068b63b17d56d92cc

    • SHA256

      1ca3875e956cf567e255254b0503fa8f4f12f057c714017f5517c8630ecef401

    • SHA512

      a6f62ea1d93986c2344089471566947b7e230fb0bf8ccbc0e9e38070fa1b04e58dfe9e8358baf5be2520f28867c3dd8b100e0e0229827748810c31ae054e87ab

    • SSDEEP

      6144:6Jz7/WYf1KVQIddj/hMoJgGqMqUZ0f1tULiDqBUuN4bgCnirx8K:W3xz8j/hMpMVa1tUmDqBUuN4ZnOx8K

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (80) 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