Overview

overview

10

Static

static

3

20240824b9...ck.exe

windows7-x64

10

20240824b9...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    20240824b9596fdc5ac3bfe9559004606e2f1a76virlock

  • Size

    196KB

  • Sample

    240824-nbxnvsxclg

  • MD5

    b9596fdc5ac3bfe9559004606e2f1a76

  • SHA1

    6b621dd3b6afd1703b241948214e14e6a2e7c662

  • SHA256

    e910492773e310dccac5f302c8edb6ac376c26c1a6076cd48d5507270aed0a38

  • SHA512

    596c953da01975a3f32ca8a5f8e4a30731a48434c92964858fe0b823848f11a8f71e4f126adc3e2cd53a0806926024289a4b125e42e92f39784dac368694f287

  • SSDEEP

    3072:/yBSMtbW9pm+de8O/4WZ9Q91Ac9nWoAughOzLRte+4HDVn6:/yB5tx+dm9QTAxOgsPRM+4HDA

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      20240824b9596fdc5ac3bfe9559004606e2f1a76virlock

    • Size

      196KB

    • MD5

      b9596fdc5ac3bfe9559004606e2f1a76

    • SHA1

      6b621dd3b6afd1703b241948214e14e6a2e7c662

    • SHA256

      e910492773e310dccac5f302c8edb6ac376c26c1a6076cd48d5507270aed0a38

    • SHA512

      596c953da01975a3f32ca8a5f8e4a30731a48434c92964858fe0b823848f11a8f71e4f126adc3e2cd53a0806926024289a4b125e42e92f39784dac368694f287

    • SSDEEP

      3072:/yBSMtbW9pm+de8O/4WZ9Q91Ac9nWoAughOzLRte+4HDVn6:/yB5tx+dm9QTAxOgsPRM+4HDA

    Score
    10/10
    discoveryevasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (53) 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

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