Overview

overview

10

Static

static

3

2024-04-26...ck.exe

windows7-x64

10

2024-04-26...ck.exe

windows10-2004-x64

10

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General

  • Target

    2024-04-26_20bda880282d88b8d73107433e97646d_virlock

  • Size

    117KB

  • Sample

    240426-njne6afd66

  • MD5

    20bda880282d88b8d73107433e97646d

  • SHA1

    ec821a290630ab6936c5536996e449a427d9a827

  • SHA256

    212569c15599920ccee06acff3415f1846e5658e7382eab951cd2e64a23bd6a1

  • SHA512

    e92c45babe51974ab1aa90d2f0caf41313115f0fac8343ca314a986c508ea287eece82e8062ff3e266427f4d3bc218f2bad7c9f70b04c68247bb63ff6f182aab

  • SSDEEP

    3072:vPKJ/79qxvcANeNeKs4+3zdBi2iHMWT1:vPOPAscv4GZ7eMC

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-04-26_20bda880282d88b8d73107433e97646d_virlock

    • Size

      117KB

    • MD5

      20bda880282d88b8d73107433e97646d

    • SHA1

      ec821a290630ab6936c5536996e449a427d9a827

    • SHA256

      212569c15599920ccee06acff3415f1846e5658e7382eab951cd2e64a23bd6a1

    • SHA512

      e92c45babe51974ab1aa90d2f0caf41313115f0fac8343ca314a986c508ea287eece82e8062ff3e266427f4d3bc218f2bad7c9f70b04c68247bb63ff6f182aab

    • SSDEEP

      3072:vPKJ/79qxvcANeNeKs4+3zdBi2iHMWT1:vPOPAscv4GZ7eMC

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (86) 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