Overview

overview

10

Static

static

3

2024-10-03...ck.exe

windows7-x64

10

2024-10-03...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-10-03_2e44f2888b279806e2ecbf197a5d1396_virlock

  • Size

    651KB

  • Sample

    241003-z7ecya1bla

  • MD5

    2e44f2888b279806e2ecbf197a5d1396

  • SHA1

    8aa3eb9524090c77e5b0459cef97ae7113805e3f

  • SHA256

    c9d31f38fc7620a1d2b73702b0271106043a8f807b94764e84d5a1172abb092a

  • SHA512

    be980f9ff87d29947ce7d7e134bc992e374a1cf73131ae77e534a6946150d04b7e4a19be5ad239a9a9180e30ddb96ef3958588b3e67f6631131159b191d082ef

  • SSDEEP

    12288:V1ZvVS0gbJ4uABA8eG8sVcaqX9DiNzI9gNwjJ9LrKPxiid+:VXMFqXPeUcFDaOxaxiC+

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-10-03_2e44f2888b279806e2ecbf197a5d1396_virlock

    • Size

      651KB

    • MD5

      2e44f2888b279806e2ecbf197a5d1396

    • SHA1

      8aa3eb9524090c77e5b0459cef97ae7113805e3f

    • SHA256

      c9d31f38fc7620a1d2b73702b0271106043a8f807b94764e84d5a1172abb092a

    • SHA512

      be980f9ff87d29947ce7d7e134bc992e374a1cf73131ae77e534a6946150d04b7e4a19be5ad239a9a9180e30ddb96ef3958588b3e67f6631131159b191d082ef

    • SSDEEP

      12288:V1ZvVS0gbJ4uABA8eG8sVcaqX9DiNzI9gNwjJ9LrKPxiid+:VXMFqXPeUcFDaOxaxiC+

    Score
    10/10
    discoveryevasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (51) 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