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_ad47b46e4b59d42c8668c8b31471e63d_virlock

  • Size

    639KB

  • Sample

    240913-k5439avhnn

  • MD5

    ad47b46e4b59d42c8668c8b31471e63d

  • SHA1

    bf41954cc1c1292dcc9a4645cd2b3a6af949ae89

  • SHA256

    96ea1498442ca8ab8feba53181491a1d2f8f0ddd3adab08edb3e73f2847a9a95

  • SHA512

    ca85ff554d451e0689dcef597ed21e2263f7a8998384dbc0044383fda4539eea9cf0baf627132422e78cfe67732e5f50355ecb4232bb5187e5d0a1fd6b699be8

  • SSDEEP

    12288:e19khRiQo5sB+xC3ERcbBxUXrsuUicoGFFeFFFtlQ:e19+MqJlqbb9k

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-09-13_ad47b46e4b59d42c8668c8b31471e63d_virlock

    • Size

      639KB

    • MD5

      ad47b46e4b59d42c8668c8b31471e63d

    • SHA1

      bf41954cc1c1292dcc9a4645cd2b3a6af949ae89

    • SHA256

      96ea1498442ca8ab8feba53181491a1d2f8f0ddd3adab08edb3e73f2847a9a95

    • SHA512

      ca85ff554d451e0689dcef597ed21e2263f7a8998384dbc0044383fda4539eea9cf0baf627132422e78cfe67732e5f50355ecb4232bb5187e5d0a1fd6b699be8

    • SSDEEP

      12288:e19khRiQo5sB+xC3ERcbBxUXrsuUicoGFFeFFFtlQ:e19+MqJlqbb9k

    Score
    10/10
    discoveryevasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (60) 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