Overview

overview

10

Static

static

3

2024-05-24...ck.exe

windows7-x64

10

2024-05-24...ck.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    2024-05-24_53f1c5a510215b047ec9860e0d153f97_virlock

  • Size

    642KB

  • Sample

    240524-tzgv7scc93

  • MD5

    53f1c5a510215b047ec9860e0d153f97

  • SHA1

    b23f982c206d43f27bf5764227483cb9d8b863ff

  • SHA256

    24f4d9fff8acd87abe654d5c1f4ec5fc6fdee53cbdb044a5f87eb16edbb7719e

  • SHA512

    a2dc52ed045ec8f17309044b8c5609073f56d4eaa3f79950b8605aca3f460584e262cf364c7b17de83a62cc8fcfcc96ae5511e1addce570807ee6d828e1ed199

  • SSDEEP

    12288:smCbzzJoDXxF62du/kACwMLFtHxeNNai:CXNoDXxFQcAC/FR0H

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-05-24_53f1c5a510215b047ec9860e0d153f97_virlock

    • Size

      642KB

    • MD5

      53f1c5a510215b047ec9860e0d153f97

    • SHA1

      b23f982c206d43f27bf5764227483cb9d8b863ff

    • SHA256

      24f4d9fff8acd87abe654d5c1f4ec5fc6fdee53cbdb044a5f87eb16edbb7719e

    • SHA512

      a2dc52ed045ec8f17309044b8c5609073f56d4eaa3f79950b8605aca3f460584e262cf364c7b17de83a62cc8fcfcc96ae5511e1addce570807ee6d828e1ed199

    • SSDEEP

      12288:smCbzzJoDXxF62du/kACwMLFtHxeNNai:CXNoDXxFQcAC/FR0H

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (78) 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 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