Overview

overview

10

Static

static

3

2024-05-24...ck.exe

windows7-x64

10

2024-05-24...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-05-24_dc4229425e844f005b38928831df7b58_virlock

  • Size

    193KB

  • Sample

    240524-rpcgmahc39

  • MD5

    dc4229425e844f005b38928831df7b58

  • SHA1

    8a5b8c851a37bea0e0f1e224ae7b630ea29e80b5

  • SHA256

    6d8e7697a09363ecf9150887fc5a2084ba84f9fa0600b9ce269323ce5462b61a

  • SHA512

    bdce3cc1ddeb3ef3ba9439c2b41369c59715593f8ef41f537098a49a5e8ea9f9175478390d6558d876b7ff8a84b22ec6dce89613c2bd5337fc14517bb3f592b2

  • SSDEEP

    6144:zA7Eud7wrDlqjRqHSjU48Lngok43fETVa4y:kd7sxYTqnXchy

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-05-24_dc4229425e844f005b38928831df7b58_virlock

    • Size

      193KB

    • MD5

      dc4229425e844f005b38928831df7b58

    • SHA1

      8a5b8c851a37bea0e0f1e224ae7b630ea29e80b5

    • SHA256

      6d8e7697a09363ecf9150887fc5a2084ba84f9fa0600b9ce269323ce5462b61a

    • SHA512

      bdce3cc1ddeb3ef3ba9439c2b41369c59715593f8ef41f537098a49a5e8ea9f9175478390d6558d876b7ff8a84b22ec6dce89613c2bd5337fc14517bb3f592b2

    • SSDEEP

      6144:zA7Eud7wrDlqjRqHSjU48Lngok43fETVa4y:kd7sxYTqnXchy

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (53) 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 Matrix ATT&CK v13

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

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Modify Registry

4
T1112

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks