Overview

overview

10

Static

static

3

2024-11-22...ck.exe

windows7-x64

10

2024-11-22...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-11-22_f6ea2951beeaace40b2017e27a530767_virlock

  • Size

    241KB

  • Sample

    241122-qwnmssxnbk

  • MD5

    f6ea2951beeaace40b2017e27a530767

  • SHA1

    25c7ac617621985dcfff7a43c8d73b1d7e1867b8

  • SHA256

    c80d9f4c8c83ed1da53a66223fcb2703a185ab3e34d6d9a071a98963741c5a85

  • SHA512

    3220811629747ae17179accad33c3bb856c0aa27cf5cdd8f716f733c9176a596233eca8d4ed3c835ba802057126482c5e97e9b03a14b1a20d9c68ce2121d3684

  • SSDEEP

    6144:ssp+rSJjqN/zopt5bekITRwZihxiNIOmm20bpN:UrWptokqOKxiSPm20bpN

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-11-22_f6ea2951beeaace40b2017e27a530767_virlock

    • Size

      241KB

    • MD5

      f6ea2951beeaace40b2017e27a530767

    • SHA1

      25c7ac617621985dcfff7a43c8d73b1d7e1867b8

    • SHA256

      c80d9f4c8c83ed1da53a66223fcb2703a185ab3e34d6d9a071a98963741c5a85

    • SHA512

      3220811629747ae17179accad33c3bb856c0aa27cf5cdd8f716f733c9176a596233eca8d4ed3c835ba802057126482c5e97e9b03a14b1a20d9c68ce2121d3684

    • SSDEEP

      6144:ssp+rSJjqN/zopt5bekITRwZihxiNIOmm20bpN:UrWptokqOKxiSPm20bpN

    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.

    • Deletes itself

    • 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
    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