Overview

overview

10

Static

static

3

2024-04-17...ck.exe

windows7-x64

10

2024-04-17...ck.exe

windows10-2004-x64

10

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General

  • Target

    2024-04-17_626c110b33f0c0e9c035c63070132ce5_virlock

  • Size

    564KB

  • Sample

    240417-vbhy2afg74

  • MD5

    626c110b33f0c0e9c035c63070132ce5

  • SHA1

    6a6e2ad48a15337a57209dae94d3075be43c11da

  • SHA256

    cbe2d24a2ce60eee4a461f068e033a081f57b10cc68a29d8e5af6f0ac0cd6179

  • SHA512

    ac24278685f6b34c1e80299e23051688f8ca70f2c863d45d82225aed6a1cacbd917ac8e029b856566dac34d70630c63acc4455a01e038022470c0f32ae6efa1b

  • SSDEEP

    12288:qbhjNB4FMrjJ/MBNzxjCFY2xtd2o1DdD1AA00f:6YkJwl1Sd2od

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-04-17_626c110b33f0c0e9c035c63070132ce5_virlock

    • Size

      564KB

    • MD5

      626c110b33f0c0e9c035c63070132ce5

    • SHA1

      6a6e2ad48a15337a57209dae94d3075be43c11da

    • SHA256

      cbe2d24a2ce60eee4a461f068e033a081f57b10cc68a29d8e5af6f0ac0cd6179

    • SHA512

      ac24278685f6b34c1e80299e23051688f8ca70f2c863d45d82225aed6a1cacbd917ac8e029b856566dac34d70630c63acc4455a01e038022470c0f32ae6efa1b

    • SSDEEP

      12288:qbhjNB4FMrjJ/MBNzxjCFY2xtd2o1DdD1AA00f:6YkJwl1Sd2od

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (89) 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

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

Command and Control

Exfiltration

Impact

Tasks