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_b0105598a6cef9cdf05e90a5f29031d9_virlock

  • Size

    567KB

  • Sample

    240425-v5qkzada7x

  • MD5

    b0105598a6cef9cdf05e90a5f29031d9

  • SHA1

    3cfd062bf9b1ab12c35172cbf9030b259663ac29

  • SHA256

    34a2e0f7e0ce71301441bcd8f4a263a7cf87e9e2c6c2a88db6495c9923fe0607

  • SHA512

    eaf53c4cfb4b0a7d195f4b3176449490c7ea431afca2e2fe4274139785a1a22cdd262b0422a64783bd059e1aace1fe3a744a09e3d8349bba12be257d00bdce69

  • SSDEEP

    6144:2dYOZXEeukK0mZDGCixcwHZe65/9ZIi1PTZlruIfjcJLsWwRCKPdwaQr65qbRVAb:276gmZFwHf71LHruNtJwRCWdwVK4OO4V

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-04-25_b0105598a6cef9cdf05e90a5f29031d9_virlock

    • Size

      567KB

    • MD5

      b0105598a6cef9cdf05e90a5f29031d9

    • SHA1

      3cfd062bf9b1ab12c35172cbf9030b259663ac29

    • SHA256

      34a2e0f7e0ce71301441bcd8f4a263a7cf87e9e2c6c2a88db6495c9923fe0607

    • SHA512

      eaf53c4cfb4b0a7d195f4b3176449490c7ea431afca2e2fe4274139785a1a22cdd262b0422a64783bd059e1aace1fe3a744a09e3d8349bba12be257d00bdce69

    • SSDEEP

      6144:2dYOZXEeukK0mZDGCixcwHZe65/9ZIi1PTZlruIfjcJLsWwRCKPdwaQr65qbRVAb:276gmZFwHf71LHruNtJwRCWdwVK4OO4V

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (98) 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