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Overview

overview

10

Static

static

3

2024-10-08...ck.exe

windows7-x64

10

2024-10-08...ck.exe

windows10-2004-x64

10

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General

  • Target

    2024-10-08_7128fe39c0f51169acbbf8f33881b06b_virlock

  • Size

    115KB

  • Sample

    241008-2ca35sxdmd

  • MD5

    7128fe39c0f51169acbbf8f33881b06b

  • SHA1

    709b19abc274a0f134f60561d8bfd64fca8f2ed5

  • SHA256

    1a6eb2ce513a1c92f261ab533cf7075f4d7b0fb32ad032e343dd41544ff66b81

  • SHA512

    98ba998f8c5aca823afe77ab04ab453cc56ab2cccb57afbf92f16407a5b47f3e1febe3aa8b9d0bc8eeca3cabbadee8ab6e18a6e383723d08cddc4cdf8f315379

  • SSDEEP

    3072:tYJpW3Unj1DXLaEAOwJi02tmq0wT0Kjr6d:opsUnj1DNPwMmrwTBw

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-10-08_7128fe39c0f51169acbbf8f33881b06b_virlock

    • Size

      115KB

    • MD5

      7128fe39c0f51169acbbf8f33881b06b

    • SHA1

      709b19abc274a0f134f60561d8bfd64fca8f2ed5

    • SHA256

      1a6eb2ce513a1c92f261ab533cf7075f4d7b0fb32ad032e343dd41544ff66b81

    • SHA512

      98ba998f8c5aca823afe77ab04ab453cc56ab2cccb57afbf92f16407a5b47f3e1febe3aa8b9d0bc8eeca3cabbadee8ab6e18a6e383723d08cddc4cdf8f315379

    • SSDEEP

      3072:tYJpW3Unj1DXLaEAOwJi02tmq0wT0Kjr6d:opsUnj1DNPwMmrwTBw

    Score
    10/10
    discoveryevasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (80) 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

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

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