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_16afd35675162149f6d8f69c4c1eaf2a_virlock

  • Size

    141KB

  • Sample

    240425-l3qnhshf4x

  • MD5

    16afd35675162149f6d8f69c4c1eaf2a

  • SHA1

    339d96769c4880cd9ba05aebd7df90ecd47f7abe

  • SHA256

    dbc12df6e23ecf1870ffd8daca97561ca43dbba291db83479bd89d5164e5da39

  • SHA512

    f0291b7d209b51f6d219d1f32f5e92d0a6d7ebfe1b7785164aa18ff872f5b321adbc31d6f7e90f8939a053b9907213b1b566704b0851310736ba079da327426f

  • SSDEEP

    3072:HfUhaaodn3YE6xghv19DTquvPCixTzr2Wxs0EK7wCYFvvX+1JaTzTNv2CjH:shaaoNYENqmPCi92T7CYZO1gTPpv

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-04-25_16afd35675162149f6d8f69c4c1eaf2a_virlock

    • Size

      141KB

    • MD5

      16afd35675162149f6d8f69c4c1eaf2a

    • SHA1

      339d96769c4880cd9ba05aebd7df90ecd47f7abe

    • SHA256

      dbc12df6e23ecf1870ffd8daca97561ca43dbba291db83479bd89d5164e5da39

    • SHA512

      f0291b7d209b51f6d219d1f32f5e92d0a6d7ebfe1b7785164aa18ff872f5b321adbc31d6f7e90f8939a053b9907213b1b566704b0851310736ba079da327426f

    • SSDEEP

      3072:HfUhaaodn3YE6xghv19DTquvPCixTzr2Wxs0EK7wCYFvvX+1JaTzTNv2CjH:shaaoNYENqmPCi92T7CYZO1gTPpv

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • 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 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