Overview

overview

10

Static

static

3

2024-04-18...ck.exe

windows7-x64

10

2024-04-18...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-04-18_560e7854b3596ebec37470c2da95aba9_virlock

  • Size

    565KB

  • Sample

    240418-jjyhxafb25

  • MD5

    560e7854b3596ebec37470c2da95aba9

  • SHA1

    5b6d45481ec1e2043743e9351d71c09319b1043c

  • SHA256

    a24d5ae72a814d3cd2bc1c7276c5d5f8dd1e5f26522dba1f1df4ac79d8bf4b5f

  • SHA512

    5ead4734cd7d62beeda0d33d1861daf19873ee0839d3e893fad4a463f93e533f422f8243b82027c4b5fa0e1fc8161495a07c0acf70ec14874dd9bad1c7e7af7f

  • SSDEEP

    12288:vNeLHbQmn5f1HmhkjEuK8NsGrR4aMCKkZ:I7b1XHtjE/+sGJ

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-04-18_560e7854b3596ebec37470c2da95aba9_virlock

    • Size

      565KB

    • MD5

      560e7854b3596ebec37470c2da95aba9

    • SHA1

      5b6d45481ec1e2043743e9351d71c09319b1043c

    • SHA256

      a24d5ae72a814d3cd2bc1c7276c5d5f8dd1e5f26522dba1f1df4ac79d8bf4b5f

    • SHA512

      5ead4734cd7d62beeda0d33d1861daf19873ee0839d3e893fad4a463f93e533f422f8243b82027c4b5fa0e1fc8161495a07c0acf70ec14874dd9bad1c7e7af7f

    • SSDEEP

      12288:vNeLHbQmn5f1HmhkjEuK8NsGrR4aMCKkZ:I7b1XHtjE/+sGJ

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (84) 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