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_1031226946f5659f7de7b3f417bed829_virlock

  • Size

    205KB

  • Sample

    240524-w1nfgsee8w

  • MD5

    1031226946f5659f7de7b3f417bed829

  • SHA1

    2cba95efd769945b2e7f8c794a737310cb78ae59

  • SHA256

    b762ebefcb7cde448237bf06e8e76d2c8aac0b8d50f7de2a72ec54ee495efab0

  • SHA512

    f4b9a8dcf481d55314533b8f7a8f9928edec03f30b65da42b0f9607c4d4ea3df09c2f31cbefadb1aee7c7dde4ee778ef3a7e286d1cfd092890ee6bdc6c5fec55

  • SSDEEP

    3072:TvCcDRmwA22Cw1sR8jaTJaDM9YK1Wbm/YOE3fUh61cANXbMIpFSp2zUqkgYh2GDa:T/nAjCcsWUJY9v3fUklwAU2zUbgYhb

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-05-24_1031226946f5659f7de7b3f417bed829_virlock

    • Size

      205KB

    • MD5

      1031226946f5659f7de7b3f417bed829

    • SHA1

      2cba95efd769945b2e7f8c794a737310cb78ae59

    • SHA256

      b762ebefcb7cde448237bf06e8e76d2c8aac0b8d50f7de2a72ec54ee495efab0

    • SHA512

      f4b9a8dcf481d55314533b8f7a8f9928edec03f30b65da42b0f9607c4d4ea3df09c2f31cbefadb1aee7c7dde4ee778ef3a7e286d1cfd092890ee6bdc6c5fec55

    • SSDEEP

      3072:TvCcDRmwA22Cw1sR8jaTJaDM9YK1Wbm/YOE3fUh61cANXbMIpFSp2zUqkgYh2GDa:T/nAjCcsWUJY9v3fUklwAU2zUbgYhb

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (61) 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.

    • Deletes itself

    • 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