Overview

overview

10

Static

static

3

2024-01-06...ck.exe

windows7-x64

10

2024-01-06...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-01-06_869990501c017f8e94e30a2796d32bd6_virlock

  • Size

    253KB

  • Sample

    240107-pdhhdsfab6

  • MD5

    869990501c017f8e94e30a2796d32bd6

  • SHA1

    651e13e3fd4cfb07aecbdb98af7889b7046e5f12

  • SHA256

    acd8be19b26bb19a1ce15775c7bdcf958b8410bcfcc515e35f11e9ef5b23c7bb

  • SHA512

    17ff4256ce62e7a00d6a85304cd4ec2f518d7ae1edff82de3e1ddb81b7793c2f993b59d07cb561d632e175ab59224f674877595765516822653e38ddac93c7fc

  • SSDEEP

    6144:ISjYIlLqGarRGtl/MQ/NayXxyVHp9TV1f:ISjYI5TarRuMJVJ9JZ

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-01-06_869990501c017f8e94e30a2796d32bd6_virlock

    • Size

      253KB

    • MD5

      869990501c017f8e94e30a2796d32bd6

    • SHA1

      651e13e3fd4cfb07aecbdb98af7889b7046e5f12

    • SHA256

      acd8be19b26bb19a1ce15775c7bdcf958b8410bcfcc515e35f11e9ef5b23c7bb

    • SHA512

      17ff4256ce62e7a00d6a85304cd4ec2f518d7ae1edff82de3e1ddb81b7793c2f993b59d07cb561d632e175ab59224f674877595765516822653e38ddac93c7fc

    • SSDEEP

      6144:ISjYIlLqGarRGtl/MQ/NayXxyVHp9TV1f:ISjYI5TarRuMJVJ9JZ

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (76) 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