Overview

overview

10

Static

static

3

2024-04-30...ck.exe

windows7-x64

10

2024-04-30...ck.exe

windows10-2004-x64

10

Resubmissions

30/04/2024, 13:52

240430-q6kc5aaa75 10

30/04/2024, 13:45

240430-q2gfnsgc5z 10

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General

  • Target

    2024-04-30_18d4e2a9d29bbb1fb3ca7aecb8599fef_virlock

  • Size

    563KB

  • Sample

    240430-q2gfnsgc5z

  • MD5

    18d4e2a9d29bbb1fb3ca7aecb8599fef

  • SHA1

    84adad96793eaacc2c88cce5fa8c530fc682016b

  • SHA256

    42e09b70c772bdc92d6d5967c2ccafa94afa9d40a57ad12f1a9b467800f149db

  • SHA512

    e63e83891129b9af8a0aa25373a25c6eaec417ab692b1dc4286c4fdcdb32fa498f5efcc12525ccc7e062b9bf95256105b5ec130fb7d5c288a48e3dd7c0cf7051

  • SSDEEP

    12288:1T51V/J0Ndm8wuNeCiLpYX3a01HP9mwijqTx:nadmMNvN1g

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-04-30_18d4e2a9d29bbb1fb3ca7aecb8599fef_virlock

    • Size

      563KB

    • MD5

      18d4e2a9d29bbb1fb3ca7aecb8599fef

    • SHA1

      84adad96793eaacc2c88cce5fa8c530fc682016b

    • SHA256

      42e09b70c772bdc92d6d5967c2ccafa94afa9d40a57ad12f1a9b467800f149db

    • SHA512

      e63e83891129b9af8a0aa25373a25c6eaec417ab692b1dc4286c4fdcdb32fa498f5efcc12525ccc7e062b9bf95256105b5ec130fb7d5c288a48e3dd7c0cf7051

    • SSDEEP

      12288:1T51V/J0Ndm8wuNeCiLpYX3a01HP9mwijqTx:nadmMNvN1g

    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