Overview

overview

10

Static

static

3

2024-10-12...ck.exe

windows7-x64

10

2024-10-12...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-10-12_4b697864fb9989181ba7c1c968e30c9f_virlock

  • Size

    158KB

  • Sample

    241012-mr8wdswfjf

  • MD5

    4b697864fb9989181ba7c1c968e30c9f

  • SHA1

    7563a190837e2455dc3ff95415d492ca9abca5c4

  • SHA256

    33803fefd1191272c07a21c374986aa89d869156b26f995ebc95a5e7650ac028

  • SHA512

    a6700ec6f26961a92317f521be6cfd135a576352cadbd9476a9a120e8748a60ae94415edcae594eaa251bb3d03b67b1271fa4f720bf60a1ff327a398bcec4beb

  • SSDEEP

    3072:ApDRlrXTB8JTOlZBekgpauJHoSwBi+5NK68v10Vdkdpbvvx1FEfSzaOCI4SzmwHG:ApDR1XTBk0LekgwuJIFuvvHFkSWo4oHG

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-10-12_4b697864fb9989181ba7c1c968e30c9f_virlock

    • Size

      158KB

    • MD5

      4b697864fb9989181ba7c1c968e30c9f

    • SHA1

      7563a190837e2455dc3ff95415d492ca9abca5c4

    • SHA256

      33803fefd1191272c07a21c374986aa89d869156b26f995ebc95a5e7650ac028

    • SHA512

      a6700ec6f26961a92317f521be6cfd135a576352cadbd9476a9a120e8748a60ae94415edcae594eaa251bb3d03b67b1271fa4f720bf60a1ff327a398bcec4beb

    • SSDEEP

      3072:ApDRlrXTB8JTOlZBekgpauJHoSwBi+5NK68v10Vdkdpbvvx1FEfSzaOCI4SzmwHG:ApDR1XTBk0LekgwuJIFuvvHFkSWo4oHG

    Score
    10/10
    discoveryevasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (90) 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