Overview

overview

10

Static

static

3

2024-08-08...ck.exe

windows7-x64

10

2024-08-08...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-08-08_a17e022915588aebd4a01f41e90063c2_virlock

  • Size

    657KB

  • Sample

    240808-h9yqxsvcrc

  • MD5

    a17e022915588aebd4a01f41e90063c2

  • SHA1

    769c1df990116bcbc28173bfdd227c92a96e3def

  • SHA256

    c5b01265c8627c77fe599f6b1889243a5d64961ad98ce2899d8adcbf689c5797

  • SHA512

    5aa79f4d2a8467da68510ddccc9b1c607c94e32b2c13ec0e9dcc58fd332e84ca132663775a5513fdf40ca04fe19c0342256427cffee7aa6baf290c62018be75c

  • SSDEEP

    12288:nFRbSnuTwp7KrswCalMq/JsPiyBXbYjOLN03:FRuuTwYrsIMmqvbrLN0

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-08-08_a17e022915588aebd4a01f41e90063c2_virlock

    • Size

      657KB

    • MD5

      a17e022915588aebd4a01f41e90063c2

    • SHA1

      769c1df990116bcbc28173bfdd227c92a96e3def

    • SHA256

      c5b01265c8627c77fe599f6b1889243a5d64961ad98ce2899d8adcbf689c5797

    • SHA512

      5aa79f4d2a8467da68510ddccc9b1c607c94e32b2c13ec0e9dcc58fd332e84ca132663775a5513fdf40ca04fe19c0342256427cffee7aa6baf290c62018be75c

    • SSDEEP

      12288:nFRbSnuTwp7KrswCalMq/JsPiyBXbYjOLN03:FRuuTwYrsIMmqvbrLN0

    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.

    • 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

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