Overview

overview

10

Static

static

3

2024-05-09...ck.exe

windows7-x64

10

2024-05-09...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-05-09_8f1753eed0fce6ac063e6c0d07912379_virlock

  • Size

    186KB

  • Sample

    240509-eazx6agg9t

  • MD5

    8f1753eed0fce6ac063e6c0d07912379

  • SHA1

    8056c69c595e35c2b8f6fc1c366820e042f21c7a

  • SHA256

    79ba71c2be9e9ccd31d99d2e9137d71f03974f51eb51d22a37c2fd339981e3f1

  • SHA512

    cc681972e3fcaa217ac5e7f27db1f0ebe65ea5b2f974f65a2ca2684d7245c7ae73fed0e6ece5ecd122d2788ca101294853d9710401948705df2010cec53b67d1

  • SSDEEP

    3072:r0EhCCTYF7NChEh/hmI70GjOuPgQ4QL6K92OBCdtFo:rxNhhIQGjOuP1So

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-05-09_8f1753eed0fce6ac063e6c0d07912379_virlock

    • Size

      186KB

    • MD5

      8f1753eed0fce6ac063e6c0d07912379

    • SHA1

      8056c69c595e35c2b8f6fc1c366820e042f21c7a

    • SHA256

      79ba71c2be9e9ccd31d99d2e9137d71f03974f51eb51d22a37c2fd339981e3f1

    • SHA512

      cc681972e3fcaa217ac5e7f27db1f0ebe65ea5b2f974f65a2ca2684d7245c7ae73fed0e6ece5ecd122d2788ca101294853d9710401948705df2010cec53b67d1

    • SSDEEP

      3072:r0EhCCTYF7NChEh/hmI70GjOuPgQ4QL6K92OBCdtFo:rxNhhIQGjOuP1So

    Score
    10/10
    evasionpersistencetrojanransomwarespywarestealer

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (87) 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
    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