Overview

overview

10

Static

static

3

2024-04-25...ck.exe

windows7-x64

10

2024-04-25...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-04-25_056a7eee5c07a9a9bc199e18dc61f6c3_virlock

  • Size

    138KB

  • Sample

    240425-r4pqhabg36

  • MD5

    056a7eee5c07a9a9bc199e18dc61f6c3

  • SHA1

    b8d0cd53f3d23dc9b614f76f205bc5d0bd154ab8

  • SHA256

    7835fc6c663f6c86889e1b843943fe1eb2cb0fe747f4519dc3569cf37111bc63

  • SHA512

    8adca45ee4ee17776bd25d4040205b148010fdfc98e7cb29a322c9e031e909e40217c79542b3b1968cbdb00ad4b8b6ae43743870722281fdc6680c8f91cf6462

  • SSDEEP

    3072:KN1CvErFFIiIi9+PRLVEQPyp3iBY2Zqe8z+/TS4FJhlApaR7X:kWADv39+P3EM4SBY2IgmsJI0

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-04-25_056a7eee5c07a9a9bc199e18dc61f6c3_virlock

    • Size

      138KB

    • MD5

      056a7eee5c07a9a9bc199e18dc61f6c3

    • SHA1

      b8d0cd53f3d23dc9b614f76f205bc5d0bd154ab8

    • SHA256

      7835fc6c663f6c86889e1b843943fe1eb2cb0fe747f4519dc3569cf37111bc63

    • SHA512

      8adca45ee4ee17776bd25d4040205b148010fdfc98e7cb29a322c9e031e909e40217c79542b3b1968cbdb00ad4b8b6ae43743870722281fdc6680c8f91cf6462

    • SSDEEP

      3072:KN1CvErFFIiIi9+PRLVEQPyp3iBY2Zqe8z+/TS4FJhlApaR7X:kWADv39+P3EM4SBY2IgmsJI0

    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
    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