Overview

overview

10

Static

static

3

2024-05-05...ck.exe

windows7-x64

10

2024-05-05...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-05-05_098aadf85c858488724f397b9b78a4b7_virlock

  • Size

    138KB

  • Sample

    240505-mgdbqsae68

  • MD5

    098aadf85c858488724f397b9b78a4b7

  • SHA1

    4391c6b5c084e3f614b3c5a39f3f70b0b96eb4d0

  • SHA256

    7f836e9c2aa331198d13ccf65eda775fb4c6c24a6363e476cf652e9d2051e22c

  • SHA512

    585fb69e90f9d562fe9fc7c53bb72c0b73ac978a10307793d2d1b36b9bd7b1f0e324de69a3f26d2dbda2fb2031e61898ad6471524b884e49889aebeee79f39ff

  • SSDEEP

    3072:o3OS4GfRRJNTkhg8gbgwhMsen3do87x1cI:op4GfRN4hg8gfMje87Z

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-05-05_098aadf85c858488724f397b9b78a4b7_virlock

    • Size

      138KB

    • MD5

      098aadf85c858488724f397b9b78a4b7

    • SHA1

      4391c6b5c084e3f614b3c5a39f3f70b0b96eb4d0

    • SHA256

      7f836e9c2aa331198d13ccf65eda775fb4c6c24a6363e476cf652e9d2051e22c

    • SHA512

      585fb69e90f9d562fe9fc7c53bb72c0b73ac978a10307793d2d1b36b9bd7b1f0e324de69a3f26d2dbda2fb2031e61898ad6471524b884e49889aebeee79f39ff

    • SSDEEP

      3072:o3OS4GfRRJNTkhg8gbgwhMsen3do87x1cI:op4GfRN4hg8gfMje87Z

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (90) 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