Overview

overview

10

Static

static

3

2024-05-16...ck.exe

windows7-x64

10

2024-05-16...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-05-16_a18820cfd0a549d688311e59b1cfcdcb_virlock

  • Size

    564KB

  • Sample

    240516-tvvlhadd69

  • MD5

    a18820cfd0a549d688311e59b1cfcdcb

  • SHA1

    29ceebf9d166c60b46e0e266ab84429cb2583b19

  • SHA256

    545bddb7365e20ada63ce0b95837a652f7dd36e9cecfd328e2bd6e57756c9504

  • SHA512

    5de57b99576191f785599f7c03eb2f6ec99e3d098c4e8160af652004d29ccfecd39450d6613e099f5b387ffc1c17983a23cf6acfe3f52dfcc4672f60f7faeafd

  • SSDEEP

    12288:AwI5zR46xWQpkDlkUFih5VKKvZsjw3tQcBID:AwAjxWB8

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-05-16_a18820cfd0a549d688311e59b1cfcdcb_virlock

    • Size

      564KB

    • MD5

      a18820cfd0a549d688311e59b1cfcdcb

    • SHA1

      29ceebf9d166c60b46e0e266ab84429cb2583b19

    • SHA256

      545bddb7365e20ada63ce0b95837a652f7dd36e9cecfd328e2bd6e57756c9504

    • SHA512

      5de57b99576191f785599f7c03eb2f6ec99e3d098c4e8160af652004d29ccfecd39450d6613e099f5b387ffc1c17983a23cf6acfe3f52dfcc4672f60f7faeafd

    • SSDEEP

      12288:AwI5zR46xWQpkDlkUFih5VKKvZsjw3tQcBID:AwAjxWB8

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (82) 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