Overview

overview

10

Static

static

3

2024-08-21...ck.exe

windows7-x64

10

2024-08-21...ck.exe

windows10-2004-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target

    2024-08-21_871d75fa1f80bd2d82c05f608a17b176_virlock

  • Size

    121KB

  • Sample

    240821-hhgckavaqg

  • MD5

    871d75fa1f80bd2d82c05f608a17b176

  • SHA1

    1d0dbf06a25ef7b2be9f683efc6c5b6b0c26e604

  • SHA256

    e0822ba5e928b6e17c160b40a6f3bd8e3996cd1ad07455f0655fd9bfb7c0423c

  • SHA512

    6fe915c605ea900ca5c963d697a352b22ae8f7086cfef0cc84902cc6bd6997cd5f50404de3b3607eb63e20c7b3dc3fb74fb842326356085fa83d17bfe882f051

  • SSDEEP

    3072:hmYhbTyTDwe6ajnkuDR8mDaPcPz5CSfZNA:0YhPW56EkuDnl7a

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-08-21_871d75fa1f80bd2d82c05f608a17b176_virlock

    • Size

      121KB

    • MD5

      871d75fa1f80bd2d82c05f608a17b176

    • SHA1

      1d0dbf06a25ef7b2be9f683efc6c5b6b0c26e604

    • SHA256

      e0822ba5e928b6e17c160b40a6f3bd8e3996cd1ad07455f0655fd9bfb7c0423c

    • SHA512

      6fe915c605ea900ca5c963d697a352b22ae8f7086cfef0cc84902cc6bd6997cd5f50404de3b3607eb63e20c7b3dc3fb74fb842326356085fa83d17bfe882f051

    • SSDEEP

      3072:hmYhbTyTDwe6ajnkuDR8mDaPcPz5CSfZNA:0YhPW56EkuDnl7a

    Score
    10/10
    discoveryevasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (87) 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

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks