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Overview

overview

10

Static

static

3

2024-05-24...ck.exe

windows7-x64

10

2024-05-24...ck.exe

windows10-2004-x64

10

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General

  • Target

    2024-05-24_de27a41bd5e475550119725fa3165367_virlock

  • Size

    113KB

  • Sample

    240524-gehksafd69

  • MD5

    de27a41bd5e475550119725fa3165367

  • SHA1

    4c82108c8e75182371d3629d6ff07465a02f0c29

  • SHA256

    21c1ceae5da2accf9f65d55991e99fc55c435aa23cd95f5a9707e8c6579b6fd3

  • SHA512

    891995e1d548c5566ad53ff447b5906c6a1569b21a18d4058628cfd346475e91f73939041f9bc6d8ed25769326dc948f72fa2f1f122e3220114ed2501df8f08c

  • SSDEEP

    1536:aY1+XypbtsjvSpF2cIAzmZPZzNnLyCGlHU0TxGMAdVJG47k5OKWs7Xj/WLfM/qg:mXEbtsjvSK55nhJsLTFAdVI4Q5R2fPg

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-05-24_de27a41bd5e475550119725fa3165367_virlock

    • Size

      113KB

    • MD5

      de27a41bd5e475550119725fa3165367

    • SHA1

      4c82108c8e75182371d3629d6ff07465a02f0c29

    • SHA256

      21c1ceae5da2accf9f65d55991e99fc55c435aa23cd95f5a9707e8c6579b6fd3

    • SHA512

      891995e1d548c5566ad53ff447b5906c6a1569b21a18d4058628cfd346475e91f73939041f9bc6d8ed25769326dc948f72fa2f1f122e3220114ed2501df8f08c

    • SSDEEP

      1536:aY1+XypbtsjvSpF2cIAzmZPZzNnLyCGlHU0TxGMAdVJG47k5OKWs7Xj/WLfM/qg:mXEbtsjvSK55nhJsLTFAdVI4Q5R2fPg

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (82) 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