Overview

overview

10

Static

static

3

2024-09-13...ck.exe

windows7-x64

10

2024-09-13...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-09-13_bb58b8f9026bd66985f7ea212561022a_virlock

  • Size

    203KB

  • Sample

    240913-t5zm7sxflh

  • MD5

    bb58b8f9026bd66985f7ea212561022a

  • SHA1

    c15422826787e085d0d7b3fcfd1d7f0adb68143d

  • SHA256

    29b205cd7255ed3a9a1078bd396dafe33966ebe5a289881a7f169eabd76ac5ed

  • SHA512

    c4ce24fd55664934f09354e822b9051f90fa84079da30185142b5469d711d1af244b0cf4bc2689f801c9c38da2a88dcabc8d85044f5a1bc30df9044bebfe4d67

  • SSDEEP

    6144:ccevyodMBtHBEPLW7VinSBth+3mJLi9FM9QU2hwnkptBhmiX:cLeBtHBEPLW7VinSBth+3cLi9XU2h2i7

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-09-13_bb58b8f9026bd66985f7ea212561022a_virlock

    • Size

      203KB

    • MD5

      bb58b8f9026bd66985f7ea212561022a

    • SHA1

      c15422826787e085d0d7b3fcfd1d7f0adb68143d

    • SHA256

      29b205cd7255ed3a9a1078bd396dafe33966ebe5a289881a7f169eabd76ac5ed

    • SHA512

      c4ce24fd55664934f09354e822b9051f90fa84079da30185142b5469d711d1af244b0cf4bc2689f801c9c38da2a88dcabc8d85044f5a1bc30df9044bebfe4d67

    • SSDEEP

      6144:ccevyodMBtHBEPLW7VinSBth+3mJLi9FM9QU2hwnkptBhmiX:cLeBtHBEPLW7VinSBth+3cLi9XU2h2i7

    Score
    10/10
    discoveryevasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (54) 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